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Hoac Austria DV 20 KATANA 1993 Flight Manual

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Category of Airworthiness
Applicable Airworthiness Requirements
Serial No.
Registration
Date of Issue
Document No.
This manual is part of the airplane DV 20 Katana and must be carried on board at all times! Scope
P"�
and revision status can be found in the List of Effective Pages and in the Record of Revisions.
TO,
"'","'d
M
"BAZ·,pW
Signature
Authority
Stamp
Date of approval
This airplane is to be operated in compliance with the information and limitations contained herein.
HOAC AUSTRIA
FLIGHT MANUAL
DV20
KATANA
: Normal
: JAR-VLA including Amendment VLAl92/1
: October 20, 1 993
: 4.01.02
'
'0' '"'
"
of E
Page
0- 1

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  • Page 1 HOAC AUSTRIA FLIGHT MANUAL DV20 KATANA Category of Airworthiness : Normal Applicable Airworthiness Requirements : JAR-VLA including Amendment VLAl92/1 Serial No. Registration Date of Issue : October 20, 1 993 Document No. : 4.01.02 This manual is part of the airplane DV 20 Katana and must be carried on board at all times! Scope P"�...
  • Page 2 A careful study of the manual will reward you with many hours of trouble­ free flight operation of your KATANA airplane. All rights reserved. Reproduction of this manual or any portion thereof by any means without the express written permission of HOAC Austria is prohibited. © Copyright by HOAC Austria, Wr. Neustadt.
  • Page 3 DV 20 Flight Manual HOAC AUSTRIA TABLE OF CONTENTS Chapter GENERAL OPERATING LIMITATIONS EMERGENCY PROCEDURES NORMAL OPERATING PROCEDURES PERFORMANCE MASS (WEIGHT) AND BALANCE EQUIPMENT LIST DESCRIPTION OF THE AIRPLANE AND ITS SYSTEMS HANDLING, PREVENTIVE AND CORRECTIVE MAINTENANCE SUPPLEMENTS Revision No.
  • Page 4 4.01.02 DV 20 Flight Manual HOAC AUSTRIA LIST OF EFFECTIVE PAGES Date Date Chap- Page Page Chap- ° Oct. 20, 1993 Oct. 20, 1993 ACG-appr. Oct. 20,1993 Oct. 20, 1993 ACG-appr. ACG-appr. Oct. 20, 1993 Oct. 20, 1993 Nov. 12,2001 ACG-appr.
  • Page 5 4.01.02 DV 20 Flight Manual HOAC AUSTRIA Date Page Date Chap- Page Chap- Oct. 20, 1993 Dec. 30, 1994 5-12 May 23, 1995 Oct. 20, 1993 5-13 Oct. 20, 1993 Oct. 20, 1993 ACG-appr 5-14 Oct. 20, 1993 Oct. 20, 1993 Oct.
  • Page 6 40102 DV 20 Flight Manual HOAC AUSTRIA RECORD OF REVISIONS Any revisions to the present manual, with the exception of actual weighing data, must be recorded in the following table. Revisions of approved sections must be endorsed by the responsible airworthiness authority.
  • Page 7 DV 20 Flight Manual HOAC AUSTRIA Signature Date of Date of Approval Pages Date of Chapter Rev. No. Issue Initials Approval by Amendment Remarks Authority Page Date Reference Revision No. 0 - 7 October 20, 1993...

  • Page 8: Table Of Contents

    HOAC AUSTRIA DV 20 Flight Manual General CHAPTER GENERAL 1 .1 . INTRODUCTION 1 -1 CERTIFICATION BASIS 1 .2. 1 .3. WARNINGS, CAUTIONS, AND NOTES 1 .4. THREE-VIEW-DRAWING OF AIRPLANE 1 -3 1 .5. DIMENSIONS 1 .6. ENGINE 1 -5 1.7.

  • Page 9: Certification Basis

    DV 20 Flight Manual General HOAC AUSTRIA 1.2. CERTIFICATION BASIS The DV 20 has been approved by the Austrian Federal Office for Civil Aviation (BAZ) in accordance with the Joint Aviation Requirements for Very Light Airplane (JAR-VLA), issued April 26, 1 990, including Amendment VLA/9211 .

  • Page 10: Three-View-Drawing Of Airplane

    DV 20 Flight Manual HOAC AUSTRIA General 1.4. THREE-VIEW-DRAWING OF AIRPLANE 23 ft. 10.6 in. 5 ft. 8.9 in. 3.2 in 6 ft. 2.8 in. 35 ft. 4.3 in. Revision No. Reference Date Page October 20, 1993...

  • Page 11: Dimensions

    Gene ral HOAC AUSTRIA DV 20 Flight Manual 1.5. DIMENSIONS OVERALL DIMENSIONS Span without ACL 1 0.78 m (35 ft 4.3 in) Span with ACL 1 0.84 m (35 ft 6.7 in) Length 7.28 m (23 ft 1 0.6 in) Width 1 .76 m (5 ft 9.3 in)

  • Page 12: Engine

    General HOAC AUSTRIA DV 20 Flight Manual 1.6. ENGINE Rotax 912 A3, 4 Cylinder, 4 Stroke-Engine, horizontally opposed, liquid cooled cylinder heads, air­ cooled cylinders. Propeller drive via integrated reduction gear. REDUCTION RATIO: 2.2727 : 1 DISPLACEMENT: 1 .21 1 liters (73.9 cu.in.) OUTPUT POWER: 59.6 kW...

  • Page 13: Lubricant And Coolant

    HOAC AUSTRIA DV 20 Flight Manual General 1.9. LUBRICANT AND COOLANT 1.9.1. Lubricant Use only name-brand oil marked "SF " or "SG" in accordance with the API-System. The viscosity should be selected according to the various climatic conditions using the following table.
  • Page 14 General DV 20 Flight Manual HOAC AUSTRIA 1.9.2. COOLANT Antifreeze concentrate with additives against corrosion should be used with approx. 20 % water added. CAUTION Usage of lower quality coolants may result in sediments within the cooling system, degrading the efficiency of the system.

  • Page 15: Mass (Weight)

    HOAC AUSTRIA DV 20 Flight Manual General 1.10. M ASS (WEIGHT) Maximum take·off mass (weight) : 730 kg (1609 Ibs) : 730 kg (1609 Ibs) Maximum landing mass (weight) Empty mass (weight) : See Chapter 6 Maximum mass (weight) in baggage...

  • Page 16: List Of Abbreviations

    General DV 20 Flight Manual HOAC AUSTRIA 1.11. LIST OF ABBREVIATIONS Speed CAS: Calibrated airspeed; Indicated speed corrected for installation and instrument errors. CAS is equal to TAS at standard atmospheric conditions at MSL. KCAS: CAS in knots. lAS: I ndicated airspeed as shown on the airspeed indicator.
  • Page 17 HOAC AUSTRIA DV 20 Flight Manual General The power-off stall speed with the airplane in its current configuration. v s : v so : The power-off stall speed with the airplane in landing configuration. v x : Best angle-of-climb speed.
  • Page 18 Gener al DV 20 Flight Manual HOAC AUSTRIA Wind: The wind speeds used in the diagrams in this manual should be referred to as headwind or tail wind components of the measured wind. Powerplant Take-off Power: Maximum engine power for take-off.
  • Page 19 DV 20 Flight Manual General HOAC AUSTRIA Mass and Center of Gravity Reference Datum (RD): An imaginary vertical plane from which all horizontal distances for the center of gravity calculations are measured. It is the plane through the leading edge of the wing root rib, perpendicular to the longitudinal axis of the airplane.
  • Page 20 General HOAC AUSTRIA DV 20 Flight Manual Unusable Fuel: The amount of fuel remaining in the tank, determined in accordance with to the requirements of the certification specifications. Empty Mass (Weight): Mass (Weight) of the airplane including unusable fuel, all operating fluids and maximum oil amount.
  • Page 21 DV 20 Flight Manual General HOAC AUSTRIA 1.12. CONVERSION FACTORS LENGTH OR ALTITUDE 0.3048 [m] 1 [ft.] 25.4 [mm] 1 [in.] SPEED 1 [kts.] 1.852 [km/h] 1 [mph] 1.609 [km/h] PRESSURE 100 [N/m2] 1 [mbar] 1 [hPa] 1 [in. Hg] 33.865 [hPa]...
  • Page 22 Limitations DV 20 Flight Manual HOAC AUSTRIA CHAPTER 2 OPERATING LIMITATIONS 2.1. INTRODUCTION 2.2. AIRSPEED LIMITATIONS 2.3. AIRSPEED INDICATOR MARKINGS 2.4. POWERPLANT LIMITATIONS 2.5. POWERPLANT INSTRUMENT MARKINGS 2.S. MISCELLANEOUS INSTRUMENT MARKINGS 2.7. MASS (WEIGHT) 2.8. CENTER OF GRAVITY 2.9. PERMISSIBLE MANEUVERS 2.10.

  • Page 23: Airspeed Limitations

    HOAC AUSTRIA DV 20 Flight Manual Limitations 2.2. AIRSPEED LIMITATIONS km/h Remarks Do not make full or abrupt control Maneuvering speed movement above this speed, because under certain conditions the airplane may be overstressed by ·full control movement. v FE...

  • Page 24: Airspeed Indicator Markings

    HOAC AUSTRIA DV 20 Flight Manual Limitations 2.3. AIRSPEED INDICATOR MARKINGS kts. km/h White Arc 38-81 44-93 70-150 G reen Arc Normal Operating Range 43-117 49-135 80-217 Yellow Arc Maneuvers must be conducted with 117-161 135-185 217-298 caution and only in smooth air.

  • Page 25: Powerplant Limitations

    HOAC AUSTRIA DV 20 Flight Manual Limitations 2.4. POWER PLANT LIMITATIONS 2.4.1. Engine : Bombardier Rotax, Gunskirchen/Austria Engine Manufacturer : 912 A3 Engine Type Designation NOTE The propeller is driven by the engine via a reduction gear with a ratio of 2.2727:1 .
  • Page 26 HOAC AUSTRIA DV 20 Flight Manual Limitations Cylinder Head Temperature Maximum : 1 50°C (302 OF) Fuel Specifications: Approved Fuel G rades AVGAS 1 00LL MOGAS accord. to BAZ-Regulation ZI. 6412-1 1 /16-83 Automotive Fuel, ROZ minimum 95 octane, leaded or unleaded...

  • Page 27: Powerplant Instrument Markings 2-S

    DV 20 Flight Manual Limitations HOAC AUSTRIA 2.5. POWERPLANT INSTRUMENT MARKINGS Powerplant instrument markings and their color code significance are shown below: G reen Arc Instrument Red Line Red Line Normal Yellow Arc Lower Limit Operating Caution Range Upper Limit...

  • Page 28: Center Of Gravity

    HOAC AUSTRIA DV 20 Flight Manual Limitations WARNING Exceeding the mass (weight) limitations may lead to overloading of the airplane, as well as degrading of the handling characteristics and flight performance. 2.8. CENTER OF GRAVITY The reference datum (RD) for the center of gravity (CG) calculation is tangent to the leading edge of the wing at the root rib.

  • Page 29: Permissible Maneuvers

    Limitations DV 20 Flight Manual HOAC AUSTRIA 2.9. APPROVED MANEUVERS This airplane is certified in the Normal Category in accordance with JAR-VLA. Permissible Maneuvers: All normal flight maneuvers Stalls (except dynamic stalls) Lazy Eights Entry speed: 1 1 6 kts (21 5 km/h)

  • Page 30: Service Ceiling

    DV 20 Flight Manual Limitations HOAC AUSTRIA 2.11. SERVICE CEILING The airplane has a service ceiling of 4000 meters (13120 ft.). 2.12. FLIGHT CREW Minimum flight crew: 1 Pilot, left seat should be occupied. 2.13. KINDS OF OPERATION Flights are only permissible in accordance with visual flight rules and only during day (DAY-VFR).

  • Page 31: Limitation Placards

    Limitations HOAC AUSTRiA DV 20 Flight Manual 2.15. LIMITATION PLACARDS The following limitation placards must be installed: (a) At the top of the left instrument panel: Maneuvering speed: 104 kts. This aeroplane is classified as a very light aeroplane approved for day VFR only, in non-icing conditions. All aerobatic maneuvers including intentional spinning are prohibited.
  • Page 32 HOAC AUSTRIA DV 20 Flight Manual Emergency Procedures CHAPTER 3 EMERGENCY PROCEDURES 3.1 . INTRODUCTION 3- 2 AIRSPEEDS DURING EMERGENCY PROCEDURES 3.2. 3.3. EMERGENCY PROCEDURES - CHECKLISTS 3.3.1. Engine Failures (a) Engine Failure During Take-off Run (b) Engine Failure After Take-off Insufficient Engine Power I I .

  • Page 33: Introduction

    HOAC AUSTRIA DV 20 Flight Manual Emergency Procedures 3.1. INTRODUCTION The fOllowing chapter contains check-lists as well as descriptions of the recommended procedures in case of an emergency. However, engine failure or other airplane related emergency situations will most likely never occur if the mandatory preflight check and maintenance are performed properly.

  • Page 34: Emergency Procedures - Checklists

    Emergency Procedures DV 20 Flight Manual HOAC AUSTRIA 3.3. EMERGENCY PROCEDURES - CHECKLISTS Engine Failures 3.3. 1 . (a) ENGINE FAILURE DURING TAKE-OFF RUN IDLE Throttle as required Brakes ENGINE FAILURE AFTER TAKE-OFF INSUFFICIENT ENG INE POWER (V IAS ) Ai rs pe ed 59 kts.

  • Page 35: Engine Inoperative

    Emergency Procedures DV 20 Flight Manual HOAC AUSTRIA I I . ENGINE INOPERATIVE Perform emergency landing according to paragraph 3.3.2. ENGINE FAILURE DURING FLIGHT ENGINE RUNNING ROUGHLY Carburetor Heat Electric Fuel Pump Magnetos check BOTH at present position Throttle reduce throttle to minimum...

  • Page 36: Restarting The Engine With Propeller Windmilling

    DV 20 Flight Manual Emergency Procedures HOAC AUSTRIA RESTARTING THE ENGINE WITH PROPELLER WINDMILLING (VIAS) As long as the airspeed is at least 54 kts. I 62 mph I 100 kmlh, the propeller will continue to windmill. (VI AS ) Ai rs pe ed 70 kts.
  • Page 37 DV 20 Flight Manual Emergency Procedures HOAC AUSTRIA NOTE The engine may also be re-started by increasing the airspeed by pushing the airplane into a descent and accelerating to approx. 1 0B kts (124 mph 1 200 km/h). A loss of 1 000 ft I 300 m altitude must be taken into account.

  • Page 38: Emergency Landing

    Emergency Procedures HOAC AUSTRIA DV 20 Flight Manual 3.3.2. E mergency Landing EMERG ENCY LANDING WITH ENGINE OFF (VIA S ) Airspeed 59 kts. / 68 mph 1110 km/h (Flaps as required) Fuel Shut-off Valve CLOSED Ignition Switch Master Switch (Battery)
  • Page 39 Emergency Procedures HOAC AUSTRIA DV 20 Flight Manual Low pass over flight (not below 350 ft I 100 m above ground) over selected landing area to observe any possible obstacles such as cables, fences, ditches, etc. Final Approach. Throttle as required...

  • Page 40: Fire

    DV 20 Flight Manual HOAC AUSTRIA Emergency Procedures 3.3.3. Fire ENGINE FIRE DURING START ON THE GROUND Fuel Shut-off Valve CLOSED Throttle FULL Master Switch (Battery) Ignition Switch Evacuate Airplane immediately ENGINE FIRE DURING FLIGHT (V IAS ) Ai rs pe e d 70 kts.

  • Page 41: (D) Electrical Fire Including Smoke On The Ground

    DV 20 Flight Manual Emergency Procedures HOAC AUSTRIA In case the fire is extinguished and electric power is required for continuation of the flight: Avionics Master Switch Electric Consumers Master Switch (Battery) Avionics Master Switch Radio Land as soon as possible.

  • Page 42: Icing

    Emergency Procedures HOAC AUSTRIA DV 20 Flight Manual 3.3.4. Icing (a) UNINTENTIONAL FLIGHT INTO ICING AREA Leave icing area (through change of altitude or change of flight direction to reach area with higher outside air temperature). Continue to move control surfaces to maintain their movability.

  • Page 43: Recovery From Unintentional Spin

    DV 20 Flight Manual Emergency Procedures HOAC AUSTRIA 3.3.5. Recovery From Unintentional Spin Throttle IDLE fully engaged opposite to Rudder direction of spin neutral Control Stick Rudder neutral Wing Flaps Elevator pull cautiously Bring airplane from descent into level flight position. Do not exceed maximum...

  • Page 44: Landing With Defective Tire On Main Landing Gear

    Emergency Procedures HOAC AUSTRIA DV 20 Flight Manual Landing With Defective Tire On Main Landing Gear 3.3.6. Final approach with wing flaps in landing position. Land airplane on the side of runway opposite to the side with the defective tire to compensate for change in direction which is to be expected during final rolling.

  • Page 45: Gliding

    Emergency Procedures DV 20 Flight Manual HOAC AUSTRIA 3.3.8. Gliding Wing Flaps (VIAS) 70 ktsl 81 mph/ 1 30 km/h Airspeed at 730 kg (1609 Ibs) (VIAS) 64 ktsl 73 mphl 1 1 8 Km/h at 600 kg (1 323 Ibs)

  • Page 46: (B) Low Voltage Caution Light (Lon-Caution Light)

    DV 20 Flight Manual Emergency Procedures HOAC AUSTRIA (b) Low Voltage Caution Light (LoN-Caution Light) This caution light illuminates if the on-board voltage (13.75V) drops below the threshold of 1 2.5 Volts. Possible reason for voltage drop: - Defective Power Supply...

  • Page 47: Flap System Failure

    Emergency Procedures DV 20 Flight Manual HOAC AUSTRIA 3.3.10. Flap System Failure Failure of Position Indication or Function visual check of the flap position select airspeed within the range of the white arc marked on the airspeed indicator check all positions of the flap toggle switch (flap stops are fail-safe)

  • Page 48: Avionics System Failure

    DV 20 Flight Manual Emergency Procedures HOAC AUSTRIA 3.3.12 Avionics System Failure Radio system operative, no reception: Microphone Key check for sticking check, deactivate SQUELCH for Speaker a few moments, use headsets if available Radio system operative, transmitting not possible:...
  • Page 49 Normal Procedures HOAC AUSTRIA DV 20 Flight Manual CHAPTER 4 NORMAL OPERATING PROCEDURES 4.1. INTRODUCTION 4.2. AIRSPEEDS FOR NORMAL FLIGHT OPERATION 4.3. [INTENTIONALLY LEFT BLANK] 4.4. NORMAL OPERATION CHECKLIST 4.4.1 . Preflight Inspection In-Cabin Check Walk-Around Check I I .

  • Page 50: Airspeeds For Normal Flight Operation

    HOAC AUSTRIA DV 20 Flight Manual Normal Procedures 4.2. AIRSPEEDS FOR NORMAL FLIGHT OPERATION Unless stated otherwise, the following table contains the applicable airspeeds for maximum take-off and landing mass (weight). The airspeeds may also be used for lower flight masses.

  • Page 51: Intentionally Left Blank

    HOAC AUSTRIA DV 20 Flight Manual Normal Procedures INTENTIONALLY LEFT BLANK Revision No. Reference Date Page October 20, 1993 4 - 3...
  • Page 52 DV 20 Flight Manual Normal Procedures HOAC AUSTRIA INTENTIONALLY LEFT BLANK Revision No. Reference Date Page October 20, 1993 4 - 4...

  • Page 53: Normal Operation Checklist

    HOAC AUSTRIA DV 20 Flight Manual Normal Procedures 4.4. NORMAL OPERATION CHECKLIST 4.4.1. Preflight Inspection In-Cabin Check Airplane Documents check Check List present Parking Brake Ignition Key pulled out Canopy clean, undamaged pressed in Circuit Breakers Master Switch (Battery) Fuel Quantity...

  • Page 54: Walk-Around Check

    Normal Procedures HOAC AUSTRIA DV 20 Flight Manual I I . WALK AROUND CHECK AND VISUAL INSPECTION Revision No. Reference Date Page October 20, 1993 4 - 6...
  • Page 55 DV 20 Flight Manual Normal Procedures HOAC AUSTRIA CAUTION Visual Inspection is defined as check for: Defects, cracks, delaminations, excessive play, insecure or improper mounting, and general condition. Additionaly, freedom of movement for control surfaces. Left Main Landing Gear Landing Gear Strut...
  • Page 56 HOAC AUSTRIA DV 20 Flight Manual Normal Procedures Right Wing Entire Wing visual inspection Wing Flap visual inspection Aileron visual inspection Mooring Harness on Wing Tip release Wing Tip, Balancing Mass visual inspection Position Light visual inspection Right Main Landing Gear...

  • Page 57: Before Starting Engine

    DV 20 Flight Manual HOAC AUSTRIA Normal Procedures BEFORE STARTING ENGINE 4.4.2. Preflight Inspection performed Pedals adjust, lock Safety Belts fasten Canopy close and secure Parking Brake free Controls OPEN Fuel Shut-off Valve NEUTRAL Trim Throttle free, IDLE free, max RPM 1 0.

  • Page 58: Starting Engine

    Normal Procedures DV 20 Flight Manual HOAC AUSTRIA STARTING ENGINE 4.4.3. Electric Fuel Pump (noise of pump audible) Fuel Pressure Warning Light Throttle - Cold Start IDLE - Warm Engine approximately 2 cm (3/4 in) forward Choke - Cold Start...

  • Page 59: Before Taxiing

    HOAC AUSTRIA DV 20 Flight Manual Normal Procedures 4.4.4. Before Taxiing Electric Consumers ON as required Powerplant I nstruments check Wing Flaps (Indicator- and Flap Actuation) check, extend and retract fully Avionics Master Switch Flight I nstruments and Avionics Parking Brake...
  • Page 60 HOAC AUSTRIA DV 20 Flight Manual Normal Procedures 4.4.6. Before Take-off Parking Brake Safety Harnesses fastened Canopy closed and locked Fuel Shut-off Valve check, OPEN Powerplant Instruments within green range Fuel Quantity Indicator check Wing Flaps Trim NEUTRAL Controls free 1 0.

  • Page 61: Take-Off

    DV 20 Flight Manual Normal Procedures HOAC AUSTRIA 4.4.7. TAKE-OFF check, ON Electric Fuel Pump Propeller Speed Control Lever max. RPM Throttle FULL (2400 RPM ± 1 00 RPM) Elevator - at beginning of rolling NEUTRAL using rudder Control direction...

  • Page 62: Climb

    HOAC AUSTRIA DV 20 Flight Manual Normal Procedures 4.4.8. Climb Propeller Speed Control Lever 2400 RPM FULL Throttle Powerplant Instruments within green range Flaps T/O (UP) Airspeed 65 kts. 75 mph I 1 20 km/h NOTE The best rate of climb speed decreases with increasing altitude.

  • Page 63: Descent

    Normal Procedures DV 20 Flight Manual HOAC AUSTRIA 4.4.1 0. DESCENT Altimeter adjust Throttle as required 1 900 - 2400 RPM Prop Speed Control Lever Carburetor Heat as required CAUTION To achieve a fast descent: Prop Speed Control Lever 2400 RPM...

  • Page 64: Balked Landing

    HOAC AUSTRIA DV 20 Flight Manual Normal Procedures 4.4. 1 2. BALKED LANDING max RPM Prop Speed Control Lever Throttle FULL Carburetor Heat Wing Flaps Airspeed 58 kts 1 67 mph 1 1 08 kmlh 4.4.1 3. AFTER LANDING Throttle...

  • Page 65: After-Flight Check

    Normal Procedures HOAC AUSTRIA DV 20 Flight Manual 4.4. 1 5. AFTER-FLIGHT CHECK check if triggered 4.4. 1 6. FUGHT IN RAIN NOTE Flight performance might be reduced, especially for the TlO-distance and the maximum horizontal air speed. The influence on flight characteristics of the airplane is negligible.
  • Page 66 DV 20 Flight Manual Performance HOAC AUSTRIA CHAPTER 5 PERFORMANCE 5- 1 5.1 . INTRODUCTION 5.2. USE OF PERFORMANCE TABLES AND DIAGRAMS 5.3. PERFORMANCE TABLES AND DIAGRAMS 5.3. 1 . Figure 5. 1 : Airspeed Calibration 5.3.2. Figure 5.2: Cruising Performance 5.3.3.
  • Page 67 DV 20 Flight Manual Performance HOAC AUSTRIA 5.2. USE OF PERFORMANCE TABLES AND DIAGRAMS The performance data is shown in the form of tables and diagrams to illustrate the influence of the different variables. These tables contain sufficiently detailed information to plan any flight with the necessary precision and safety on the conservative side.
  • Page 68 Performance DV 20 Flight Manual HOAC AUSTRIA 5.3. PERFORMANCE TABLE AND DIAGRAMS 5.3.1 . 5.1 : Figure Airspeed Indicator System Calibration 1 50.0 1 30.0 1 1 0.0 � 90.0 70.0 50.0 30.0 VIAS [ktsJ 93 kts. equals 95 kts.
  • Page 69 HOAC AUSTRIA DV 20 Flight Manual Performance 5.3.2. Figure 5.2: Cruising Performance Engine power in % of max. continuous power. Pressure Standard 65 % 55 % 75 % Altitude Fuel Flow Fuel Flow Fuel Flow in. Hg in. Hg '100...
  • Page 70 HOAC AUSTRIA DV 20 Flight Manual Performance Figure Pressure Altitude - Density Altitude 5.3.3. 5.3: Conversion from Pressure Altitude to Density Altitude 1 8 000 E 5 00 0 :!::. 16 000 :::l :::l :::l � 1 4 000 «...
  • Page 71 Performance HOAC AUSTRIA DV 20 Flight Manual 5.3.4. Figure 5.4: Stall Speeds Configuration: Idle, most forward center of gravity, max. mass (weight) (this is the most adverse configuration) Stall speeds in km/h Bank Angle Flaps 0" 30" 45" 60" 1 09...
  • Page 73 DV 20 Flight Manual HOAC AUSTRIA Performance 5.3.6. Figure 5.6: Take-off Distance Conditions: - maximum take-off power - take-off speed (speed for lift off and climb over the obstacle) 57 kts. 1 65 mph 1 1 05 km/h lAS - level runway, paved...
  • Page 74 HOAC AUSTRIA Flight Manual Performance 5.3.7. Figure 5.7 : Climb Performance Cruising Altitudes Max. Cruising Altitude (in standard conditions): 4000 m (13120 ft.) Best Rate·of·Climb Speed with flaps in TIO position: 65 kts. 1 75 mph 1 1 20 kmlh...
  • Page 75 DV 20 Flight Manual Performance HOAC AUSTRIA INTENTIONALLY LEFT BLANK Revision No. Reference Date Page October 20, 1 993...
  • Page 76 DV 20 Flight Manual Performance HOAC AUSTRIA 5.3.9. Figure 5.9: Cruise Speed (True Airspeed) Diagram for true airspeed (TAS) calculation at selected power level. 1 8 00 0 Flight Mass 730 kg (1609 Ibs), foremost CG 1 6 00 Flaps UP, Aircraft in good Condition...
  • Page 77 HOAC AUSTRIA DV 20 Flight Manual Performance 5.3. 1 0. Figure 5. 1 0 : Maximum Flight Duration Diagram for calculation of the maximum flight duration depending on fuel availability. � >- � >- et::: et::: et::: et::: ::c: �...
  • Page 79 DV 20 Flight Manual Performance HOAC AUSTRIA 5.3.12. Landing Distance - Idle Conditions: - Maximum TlO Mass (Weight) - max RPM - Approach speed 59 kts (68 mph 1 1 0 km/h) - level runway. paved - Flaps in landing position - Standard setting.
  • Page 80 Mass & Balance DV 20 Flight Manual HOAC AUSTRIA CHAPTER 6 MASS (WEIGHT) AND BALANCE EQUIPMENT LIST 6.1 . INTRODUCTION 6.2. AIRPLANE WEIGHING - Figure 6.1 Weighing Report 6.3. MASS (WEIGHT) AND BALANCE REPORT & Figure 6.2 Mass(Weight) Balance Report 6.4.
  • Page 81 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance Prior to delivery of an airplane, the empty mass(weight) and the CG position are determined. Empty mass (weight) and the center of gravity are recorded in a Weighing Report as illustrated in &...
  • Page 82 DV 20 Flight Manual Mass & Balance HOAC AUSTRIA The most important lever arms, indicated in meters (inches) aft of RD (leading edge of wing at the root rib): - Pilot, Copilot: : 0.143 m (5.63 in) - 79 liters (20.9 US gaL) Tank : 0.824 m (32.44 in)
  • Page 83 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance Figure 6. 1 : Weighing Report Model: DV 20 Data in accordance with TCDS and Flight Manual Reason for Weighing: Reference Datum : Leading edge of wing at root rib Horizontal reference line: Wedge 52:1 000. 500 mm (19.69 in.) forward of rudder fin...
  • Page 84 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance 6.3. MASS (WEiGHT) AND BALANCE REPORT The empty mass (weight) and empty mass (weight) CG position data determined prior to delivery of the airplane is the first entry in the Mass (Weight) and Balance Report. Each change of the installed equipment as well as each repair affecting the empty mass (weight) or empty mass (weight) CG position must be entered in the Mass (Weight) and Balance Report.
  • Page 85 DV 20 Flight Manual Mass & Balance HOAC AUSTRIA Figure 6.2: Mass(Weight) and Balance Report (Continuous report of structural changes or change of equipment). DV 20 KA TANA Serial No.: Date Changes of Mass (Weight) Actual Description Addition (+) Subtraction (-)
  • Page 86 DV 20 Flight Manual HOAC AUSTRIA Mass & Balance 6.4. FLIGHT MASS(WEIGHT) AND CENTER OF G RAVITY The following data enables the pilot to operate the DV 20 within the required mass (weight) and center of gravity limitations. The following diagrams: &...
  • Page 87 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance Figure 6.3: Mass(Weight) & Balance Diagram � 12 0 C§ 9 3 \ :) \.I S I X \ \ 6 f 77 Lilers (20.34 US gal) � 60 Lite (1 5.85 US gal)
  • Page 88 .." ::I: » PERMISSIBLE CENTER OF GRAVITY RANGE » < AFT OF REFERENCE DATUM [mm] iii" '" � iii" III :::I ..C> ..� CD i:iJ < < ;:;: � '< <{ � :::I CD O � Ill :::I ::>...
  • Page 89 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance Figure 6.5: Calculation of the Load Limits Calculation of the 20 (Example) Your DV 20 Load Limits Mass [kg] Moment Mass [kg] Moment [kgm] [kgm] 1 . Empty Mass(Weight), to be taken 1 48.404...
  • Page 90 DV 20 Flight Manual Mass & Balance HOAC AUSTRIA 6.5. EQUIPMENT LIST The following table lists the equipment of the airplane. The equipment installed in your airplane is marked as installed in the respective column (Inst.). The equipment list comprises the following data: The item No.
  • Page 91 DV 20 Flight Manual Mass & Balance HOAC AUSTRIA Equipment list Airplane Serial No.: Date: Seq. Part Description, Serial No.: Ins!. Mass Manufacturer, Tvpe No.: COMM Transceiver 0.90 -0.420 Becker, AR3201 (.) COMM Transceiver 1 .27 -0.420 COMM Antenna 0.21 +4.350...
  • Page 92 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance Equipment Ust Airplane Serial No.: Date: Seq. Part Description, Serial No.: Inst. Mass No.: Manufacturer, Type A 1 5 Transponder 1 .36 -0.420 A 1 6 Transponder 1 .20 -0.420 Becker, ATC2000...
  • Page 93 Mass & Balance HOAC AUSTRIA DV 20 Flight Manual Equipment List Airplane Serial No.: Date: Seq. Part Description, Serial No.: I nst. Mass Manufacturer, Type No.: Battery 7.90 -0.748 Banner, 53030, 1 2V/30Ah Low Voltage Waming Light 0.25 -0.590 RCA 33-20 1 3 ACL with pos.
  • Page 94 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance Equipment List Airplane Serial No.: Date: Seq. Part Description, Mass Serial No.: No.: Manufacturer, Tvpe Ammeter, dampened 0.08 -0.390 HOAC 1 6 1 54 Manifold Pressure Indicator 0.13 -0.390 UMA Inc. 7-100-1 0 Oil Pressure Indicator 0.14...
  • Page 95 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance Equipment list Airplane Serial No.: Date: Seq. Part Description, Serial No.: Inst. Mass No.: Manufacturer, Type Tum indicator 0.47 1 1 5 -0.390 Elec. Gyro. C.1 394T1 00-7Z 1 1 6 Turn and Slip Indic.
  • Page 96 HOAC AUSTRIA DV 20 Flight Manual Mass & Balance Equipment List Airplane Serial No.: Date: Seq. Part Description, Serial No.: Inst. Mass No.: Manufacturer, Type Motor, dry 57.00 - 1 . 1 86 Rotax, 9 1 2 A3 (incI.Spinner) Propeller, Hoffmann, 1 4.25...
  • Page 97 Mass & Balance DV 20 Flight Manual HOAC AUSTRIA Equipment List Airplane Serial No.: Date: Mass Seq. Part Description, Serial No.: I ns!. Manufacturer, Type No.: Pitot Tube 0.22 +0.400 HOAC 1 6450 Wheel Fairing, Main Gear 1 .20 +0.700 (2.65) .
  • Page 98 HOAC AUSTRIA DV 20 Flight Manual Description CHAPTER 7 DESCRIPTION OF THE AIRPLANE AND ITS SYSTEMS INTRODUCTION 7.1. 7.2. AIRFRAME 7.3. FLIGHT CONTROLS 7.4. INSTRUMENT PANEL 7.5. LANDING GEAR SYSTEM 7.6. SEATS AND SAFETY BELTS 7- 7 7.7. BAGGAGE COMPARTMENT 7- 7 7.8.

  • Page 99: Airframe

    DV 20 Flight Manual Description HOAC AUSTRIA 7.2. AIRFRAME The GFRP-fuselage is of semi-monocoque construction. The fire protection cover on the fire wall is made from a special fire retarding fleece, that is covered by a stainless steel plate on the engine side.
  • Page 100 Description HOAC AUSTRIA DV 20 Flight Manual Trim System Green knob on center console behind engine control unit. The spring loaded trim knob can be unlocked and moved to the desired position by pulling it upwards. Releasing the knob will cause it to lock in the desired position.
  • Page 101 HOAC AUSTRIA DV 20 Flight Manual Description the flaps are in landing (LDG) position. When two lights are illuminated at the same time, the flaps are between these two positions. This is the case when the flaps are in motion.

  • Page 102: Instrument Panel

    Description HOAC AUSTRIA DV 20 Flight Manual 7.4. INSTRUMENT PANEL · Switches, Circuit Brnkcrs Master Switch {8attery) Avionics Master Switch Fuel Pressure Wamlnu Ught Oil Temperature Indicator Genomlor Warning Light Manifold Pressure indicator " Cylinder Head Temperature Indicator Oil Pmssure Indicator...

  • Page 103: Landing Gear System

    HOAC AUSTRIA DV 20 Flight Manual Description LANDING GEAR SYSTEM 7.5. The landing gear system consists of the two main landing gear wheels mounted to a self-spring steel strut and a free following nose wheel. The suspension of the nose wheel is handled by an elastomer package.

  • Page 104: Seats And Safety Belts

    HOAC AUSTRIA DV 20 Flight Manual Description 7.S. SEATS AND SAFETY BELTS The seats are removable to facilitate the maintenance and inspection of the underlying controls. Covers on the control sticks prevent loose objects to foul the controls. The seats are equipped with removable cushions. Manually triggered seat-type parachutes may be used instead of cushions.

  • Page 105: Canopy

    401 02 Description DV 20 Flight Manual HOAC AUSTRIA 7.8. CANOPY The canopy is closed by pulling the black handles on the canopy frame. The canopy is locked using the red handles on the left and right side of the frame.

  • Page 106: Powerplant

    HOAC AUSTRIA DV 20 Flight Manual Description 7.9. POWERPLANT Rotax 912 A3, 4 cylinder, 4 stroke engine, horizontally opposed, liquid cooled cylinder heads, air cooled cylinders. Propeller drive via integrated reduction gear (crankshaft RPM in parentheses). Displacement: 1 .21 1 liters (73.9 cu.in.) Max TIO Power (5 min): 59.6 kW I 80 HP at 2550 RPM (5800 RPM)
  • Page 107 HOAC AUSTRIA DV 20 Flight Manual Description Small black knob below the center instrument panel (self-resetting) knob pulled choke ON Two-bladed variable pitch propeller, model Hoffmann HO-V72F/S 1 70DW or HO-V352F/170FQ, constant speed, hydraulic pitch control. Woodward A 21 0786 or Woodward A 21 0786 A.
  • Page 108 � » (") » !!l. ." Fuel Quantity Indicator 5> Fuel Pressure Sensor Return Line Vent Line Tank Filler To Carburetor To Carburetor '" Firewall Fuel Quaniity Sensor Firewall Breach "' 0 � '" 1\) - 0 '" Tank Drain Filter of electr.
  • Page 109 HOAC AUSTRIA DV 20 Flight Manual Description The tank, made from aluminum, is located behind the seats, below the baggage compartment. It holds 79 liters (20.9 US gal.), 77 liters (20.3 US gaL) of which are usable. The tank filler on the left side of the fuselage behind the canopy is connected to the tank with a rubber hose.
  • Page 110 Description HOAC AUSTRIA DV 20 Flight Manual Fuel Drain The fuel drain is located at the lowest pOint of the fuel system. It may be operated for maintenance after opening the handhOle lid (in the center of the fuselage bottom).

  • Page 111: Electrical System

    Description DV 20 Flight Manual HOAC AUSTRIA 7.1 1 . ELECTRICAL SYSTEM Schematic (simplified): HOIJN'l' ENGlllE FLIGHT ELECTRICAL SHELF ON ENGINE \;OLTf,GE; r - - - - - - - - - - - I HP2400_01 • CAl1!ION LIGHT 052430-02 �...
  • Page 112 HOAC AUSTRIA Description DV 20 Flight Manual Electrical Consumers The individual consumers (e.g. radio, fuel pump, position lights, etc.) are connected in series with their respective circuit breakers. Equipment thai does not have a switch installed is controlled wilh a loggle switch in the center section of the instrument panel.

  • Page 113: Pitot And Static Pressure Systems

    Description DV 20 Flight Manual HOAC AUSTRIA Instruments The instruments for temperatures, oil pressure, and fuel quantity are connected in series with the respective sensors. The electrical resistance of a sensor changes with the measurable variable, which causes the power to the instrument and consequently the needle deflection to change. Oil pressure indicator, cylinder head temperature indicator and fuel pressure waming light are supplied with power through one circuit breaker.
  • Page 114 Handling HOAC AUSTRIA DV 20 Flight Manual CHAPTER 8 HANDLING, PREVENTIVE AND CORRECTIVE MAINTENANCE 8.1 . INTRODUCTION 8.2. AIRPLANE INSPECTION PERIODS 8.3. AIRPLANE ALTERATIONS OR REPAIRS 8.4. GROUND HANDLING ROAD TRANSPORT 8.4. 1 . Towing 8- 3 8.4.2. Parking 8.4.3.

  • Page 115: Introduction

    4 01 02 DV 20 HOAC AUSTRIA Flight Manual Handling 8.1. INTRODUCTION This Chapter contains factory-recommended procedures for proper ground handling and servicing of the airplane. It also identifies certain inspection and maintenance requirements which must be followed if the airplane is to retain that new-plane performance and dependability.

  • Page 116: Ground Handling

    HOAC AUSTRIA DV 20 Flight Manual Handling 8.4. GROUND HANDLING ROAD TRANSPORT 8.4. 1 . Towing The airplane is most easily and safely maneuvered by hand with the tow-bar attached to the nose wheel. If no tow-bar is used, during forward traversing the nose-wheel will follow the movement of the airplane.

  • Page 117: Jacking

    DV 20 Flight Manual Handling HOAC AUSTRIA 8.4.4. Jacking The DV KATANA can be jacked at the two jackpoints located on the lower side of the fuselage's root ribs well as at the tail fin. 8.4.5. Alignment For alignment push down on the tail section at the fuselage/rudder fin junction. until the nose-wheel is clear of the ground.

  • Page 118: Road Transport

    Handling DV 20 Flight Manual HOAC AUSTRIA 8.4.6. Road Transport For transporting the airplane on the road, it is recommended to use an open trailer. All airplane components must be stored on a cushioned surface and secured to avoid any movement during transporting.

  • Page 119: Cleaning And Care

    DV 20 Flight Manual Handling HOAC AUSTRIA B.5. CLEANING AND CARE CAUTION Excessive dirt deteriorates the flight performance. 8.5.1. Painted Surfaces The entire surface of the airplane is painted with a white weather proof two component laquer. Nevertheless, the airplane should be protected against moisture and dampness. The aeroplane should not be stored outdoor for long periods of time.

  • Page 120: Propeller

    HOAC AUSTRIA DV 20 Flight Manual Handling 8.5.3. Propeller See Hoffmann Propeller Instruction Manual E243 (HO-V72) or E540 (HO-V352). 8.5.4. Engine See Operator's Manual for the Rotax 912 A aircraft engine. 8.5.5. Interior S urfaces, Seats and Carpets The interior should be cleaned using a vacuum cleaner. All loose items (pens, bags etc.) should be properly stored and secured.
  • Page 121 4 01 02 HOAC AUSTRIA DV 20 Flight Manual Supplements C HAPTER 9 SUPPLEMENTS At this time the following Supplements are available: Operation in Russia Supplement No. 4 Operation with a Winterization Kit Supplement NO. 5 Page Revision No. Reference...

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