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DOVA AIRCRAFT DV-1 SKYLARK Flight Manual

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Flight Manual
for
DV-1 SKYLARK
Serial Number:
Registration Mark:
Classification:
ULLa
Date: October 2012
Manufacturer:
DOVA AIRCRAFT, s.r.o.
This UL is not liabel to ÚCL ČR
Kirilovova 115
and its using is on user risk!
739 21 Paskov
Tel./fax: 558 671 081 558 671 139

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Summary of Contents for DOVA AIRCRAFT DV-1 SKYLARK

  • Page 1 Flight Manual DV-1 SKYLARK Serial Number: Registration Mark: Classification: ULLa Date: October 2012 Manufacturer: DOVA AIRCRAFT, s.r.o. This UL is not liabel to ÚCL ČR Kirilovova 115 and its using is on user risk! 739 21 Paskov Tel./fax: 558 671 081 558 671 139...
  • Page 2 OWNER – OPERATOR OF AIRCRAFT: Name: Address: Registration Mark: CHANGE OF OWNER: Name: Address: SUMMARY PART 1: GENERAL PART 2: LIMITS PART 3: EMERGENCY PROCEDURES PART 4: STANDARD PROCEDURES PART 5: PERFORMANCE PART 6: MAINTENANCE PART 7: DISASSEMBLING...
  • Page 3 PART 1: General Introduction Warning: The crew has to Validity: This flight manual is valid only for aircraft with the know contents of this registration mark mentioned manual before flight! above on the first page.
  • Page 4 ABREVIATIONS AND DEFINITIONS calibrated airspeed. (CAS=TAS at sea level) indicated airspeed true airspeed international standard atmosphere mean aerodynamic chord vertical tail surfaces horizontal tail surfaces Maneuver Speed stall speed in landing configuration stall speed maximum speed maximum speed with flaps max.

  • Page 5: Three View

    THREE VIEW 6624,3 /260,80/ 1367 /53,81/ 4315 /161,89/ 1486 /58,49/ 776 /30,56/ 8136 /320,32/ 1756 /69,12/...

  • Page 6: Basic Technical Data

    BASIC TECHNICAL DATA DESCRIPTION Aircraft DV-1 Skylark is a light sport, two-seater, all metal low-wing aircraft, with a tri-gear undercarriage and stearable nose wheel. DIMENSIONS Span 8,14 m 26 feet Length 6,62 m 21.7 feet Height 2,28 m 7.5 feet...

  • Page 7: Propulsion System

    PROPULSION SYSTEM ENGINE Type Rotax R 912 S RPM for take-off 5800 1/min (for 5min.) Max. RPM 5500 1/min Idling speed 1400 1/min Warning: The pilot of the aircraft is responsible for the consequences of engine failure. It is recomended that the aircraft be operated at a height and speed to ensure the most safety in an emergency landing in case of engine failure.
  • Page 8 INNSTRUMENTS Flight Instruments Type Serial number Type Serial number Engine Instruments...
  • Page 9 Others...

  • Page 10: Instrument Panel

    Standard version INSTRUMENT PANEL 13 9 14 Description: Fuel Gauge Airspeed Radio Altimeter Transponder Variometer Fuel valve Compass Master Switch Sideslip Ball 1 Switches Trim control Fuses Trim indicator Starter Manifold pressure Magnetos Fuel pressure Choke Oil pressure Throttle Cabin Heat Oil Temperature Propeller Tachometer...

  • Page 12: Airspeed Calibration

    PART 2: Limits Aircraft DV-1 Skylark passed Ul-2 requirements for construction, material, and performance. AIRSPEED CALIBRATION...

  • Page 13: Airspeed Limitation

    AIRSPEED LIMITATION Described speeds are for MTOW and Sea Level conditions. All speeds are Indicated Airspeeds (IAS). Calibrated Airspeeds can be found from the above calibration. Speed Abbreviation IAS /Km/h) Maximum speed - Can only be exceeded in smooth air and with -10 degree flap deflection.

  • Page 14: Engine Operating Limitations

    ENGINE OPERATING LIMITATIONS The recommendations in the Rotax engine manual are to be followed. Oil pressure max. 7 bar, min. 0,8 bar normal 2-5bar Oil temperature min. 50°C, max. 130°C normal 90-110°C max. 135°C Exhaust gas temperature max. 880°C –start max.
  • Page 15 Weighing Procedure: Aircraft is placed on three scales in a horizontal position (upper edge of front fuselage to be level).Note the values and the dimensions X and Y. Count as follows. 1190 Csat 1000 M2/M3 Center of gravity position: T = ( X * ( M2+M3)/(M1+M2+M3) – Y – 119 ) / 11,9 (% mac) Examples of C.G.

  • Page 16: Flight Envelope

    ALLOWED TURNS (VIZ UL-1) Allowed rolling up to 60° and climbing or descending till 30° from horizontal. Acrobatic turns and intended spins are prohibited. Max. speed v IAS (km/h) Turn Roll 60° Slip Acrobatic turns and intended spins are prohibited! LOADS Max.

  • Page 17: Temperature Limitation

    LIMITATION VFR day-flight only without freezing condition! TEMPERATURE LIMITATION max. temperature on ground 40° C min. temperature on ground -5° C OTHERS - Do not push or pull on any laminate covers, control surfaces, or the ends of the propellers blades - In case of leaving aircraft fix its position by ropes to the ground - Locking of canopy and fuel tanks is recommended when leaving the aircraft...
  • Page 18 PART 3 Emergency procedures FAILURE DURING START ON THE GROUND 1. throttle set to idle 2. Braking 3. Magnetos OFF 4. Stop fuel 5. master OFF FAILURE DURING START IN AIR 1.Speed 90- 95 km/h 2. Landing on runway or on place ahead with possibility of turning 3.

  • Page 19: Emergency Landing

    EMERGENCY LANDING 1. Speed 90-95km/h 2. Choose place for landing (direction, surface, wind, angle) 3. Magnetos OFF 4. Fuel stop 5. Master OFF 6. Tightening of safety belts 7. Flaps if needed INTERUPTED LANDING 1. If aircraft is equipment by adjustable propeller set the smallest angle of attack 2.

  • Page 20: Carburetor Icing

    CARBURETOR ICING Loss of power and rising temperature ( The engine may stop). 1. Speed 110-120km/h 2. Throttle to idle or to minimum depending on flight conditions 3. Leave the area of icing conditions(change altitude) 4. After 1 or 2 min slowly increase power to the cruise setting 5.

  • Page 22: Pre-Flight Check

    KAPITOLA 4: Standard procedures PRE-FLIGHT CHECK Remove upper engine cover, any canopy cover, pitot-static tube cover. Important places on the aircraft are shown in the above diagram (with numbers). Some checks will require the removal of covers.
  • Page 23 The aircraft should be check as follows: a) Canopy - Master ON, check sufficient volume of fuel - Master, Magnetos and other switches OFF! - Fuel OFF - Visual check of the interior, remove all free-moving objects - Check for the free-movement of controls b) Engine (2.

  • Page 24: Starting The Engine

    PROCEDURES AFTER ENTERING THE AIRCRAFT 1. check the locking of the ballistic rescue system (if there is one) 2. set your position of seats 3. canopy – closed and locked 4. safety belts –lock and tight 5. controls – free movement 6.
  • Page 25 WARMING UP AND PRE-FLIGHT CHECK OF THE ENGINE 1. brake the aircraft by chocks 2. all controls in neutral position 3. minimum pitch on propeller 4. set rpm as 2000 rpm and let it run for 2 min, then continue warming with 3000 rpm until oil temperature reaches 50°C 5.
  • Page 26 TAKE OFF 1. runway free 2. notice time 3. throttle to maximum 4. from speed 60 km/h start to rise front wheel by using elevator 5. Aircraft will take off from 70 km/h - depends on conditions 6. hold altitude 100 km/h 7.

  • Page 27: After Landing

    FINAL 1. speed 110 km/h, close to idle, max. rate of decent 2,7 m/s 2. flaps in landing or take-off position...depends on weather condition and pilot decision 3. trim if needed 4. check runway, 5. report to tower (info, radio) 6.

  • Page 28: Stall Speeds

    PART 5: Performances Valued only for R912S with adjustable propeller Note: Measured 0m MSA atmosphere. TAS = IAS ± 8 km/h CRUISE SPEED AND HIGHER– USE NEGATIVE -10° DEFLECTION OF THE FLAPS m=370 kg m=600 kg Cestovní Cruise speed 75 % power 210 km/h 200 km/h STALL SPEEDS...

  • Page 29: Fuel Consumption

    CLIMBING ROTAX 812 ULClimbing speed with full power of ROTAX 912 UL m=370 kg m=650 kg Climbing [m/s] With speed [km/h] GLIDE PERFORMANCES With idle m=370 kg m=650 kg Optimum glide speed [km/h] 100-110 110-130 Rate of decent [m/s] Engine off, flaps in take-off position m=370 kg m=650 kg Optimum glide speed [km/h]...
  • Page 30 PART 6: Periodical AFTER EACH FLIGHT - wash the aircraft with water - use vacuum cleaner if needed - check tires - check surfaces - check canopy glass - check volume of liquids PERIODICKÁ ÚDRŽBA - Engine maintenance provide as written in Engine Manual for Rotax 912 ULS. - check important parts of the aircraft, record any defects in the aircraft log book.
  • Page 31 PART 7: Disassembling WINGS Note: Assemble on place with possibility to fly! During carrying part of aircraft hold it close to the rivets lines (ribs). Replace old self-blocking nuts with new ones. Do not loose some parts! Procedure − remove covers of controls and floor −...
  • Page 32 Manufacturer: DOVA AIRCRAFT, s.r.o. Kirilovova 115 739 21 Paskov Tel./fax: 558 671 081 558 671 139...

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