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Bendix/King KLR 10 Pilot's Manual

Lift reserve indicator
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KLR 10
Lift Reserve Indicator
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  • Page 1 KLR 10 Lift Reserve Indicator Pilot’s Guide BendixKing.com...
  • Page 2 Customer Support US and Canada - 1.855.250.7027 International – 1.602.365.7027 bendixking.com/support At Bendix/King we value your opinion and we are listening. For comments about this guide, please email: pubs@bendixking.com The information contained in this manual is for reference only. If any information contained herein conflicts with similar...
  • Page 3 KLR 10 Pilot’s Guide KLR 10 ™ LIFT RESERVE INDICATOR PILOT’S GUIDE The KLR 10 is approved for installation in experimental category aircraft ONLY. It is not approved for installation in certified aircraft. P/N D201306000109 Title Rev 0 Jul 2013...
  • Page 4 KLR 10 Lift Reserve Indicator Pilot’s Guide Revision History and Instructions Manual KLR 10 Indicator Pilot’s Guide Revision Summary This is a new release. Record of Revisions REVISION REVISION NUMBER DATE JUL, 2013 Title P/N D201306000109 Page T-2 Rev 0 Jul 2013...

  • Page 5: Table Of Contents

    Establish Segments Illuminated ........3-11 Practice Approaches using AOA ........3-13 Establish Segments Illuminated ........3-14 Fly Practice Approaches for Familiarization..... 3-15 Useful Techniques when using KLR 10 Indicator .... 3-16 NOTES ................3-18 4. Appendix ................. 4-1 Acronyms and Abbreviations ........... 4-1 Honeywell-Confidential ............
  • Page 6 Figure 2-3: Cruise Setpoint Calibration ......... 2-10 List of Tables Table Page Table 2-1: KLR 10 Indicator Control Switch Features ....2-2 Table 2-2: KLR 10 Indicator Segments ........... 2-4 Table 3-1: Observed Indications Chart ......... 3-17 Table of Contents...

  • Page 7: Introduction

    KLR 10 Lift Reserve Indicator Pilot’s Guide INTRODUCTION BACKGROUND INFORMATION: The KLR 10 system is primarily designed to improve operational safety of airplanes by increasing pilot awareness of available lift during operations at high angles of attack (AOA). Additional benefits...

  • Page 8: System Description

    KLR 10 Pilot’s Guide SYSTEM DESCRIPTION The KLR 10 measures pressure at two points from an AOA probe mounted solidly to the wing in reference to the cord of the wing that conveys changing differential pressures, via sense lines, to the KLR 10 IF module.

  • Page 9: Klr 10 Controls

    KLR 10 CONTROLS POWER UP SELF TEST When power is first applied to the KLR 10, the KLR 10 runs through a built in test. During the test, the segments cycle up and then down the display. When the test is complete, the segments turn off and the KLR 10 annunciates “AOA test complete”.

  • Page 10: Table 2-1: Klr 10 Indicator Control Switch Features

    KLR 10 Pilot’s Guide Table 2-1: KLR 10 Indicator Control Switch Features ITEM CONTROL FUNCTION Audio “Mute” When the LED is illuminated, audio is Amber LED muted. When the LED is not illuminated, audio is not muted. Audio “Mute” In the UP position, this switch mutes the...
  • Page 11 KLR 10 Lift Reserve Indicator Pilot’s Guide ITEM CONTROL FUNCTION Brightness / The Brightness button is the black push MODE Push button on the lower right corner of the Button Switch display. (Multiple The Brightness button has 2 functions: Functions)

  • Page 12: The Klr 10 Display Segments

    (stall indication for the aircraft located at the top of the display). A correctly calibrated KLR 10 will provide a linear increase in AOA indication as the aircraft slows. The final “Too slow Too Slow” alert with flashing red arrow MUST be active prior to the actual aerodynamic stall.
  • Page 13 KLR 10 Lift Reserve Indicator Pilot’s Guide SEGMENT ABBR CONDITION Double Yellow Bars with no other segments indicates pattern entry/increasing AOA. Single upper Yellow Bar with no other segments indicates Base leg/increasing AOA. Single upper Yellow Bar with Blue lower Half-Circle indicates Final/slightly fast.
  • Page 14 KLR 10 Pilot’s Guide SEGMENT ABBR CONDITION Flashing Red Arrow, with no other segments indicates critical (level KLR 10 annunciates “Too slow! slow!” Note: No Segments illuminated = Power off OR very low speed and lift state OR absence of pressure information to the interface module OR aircraft on the ground with no movement.

  • Page 15: Display Brightness Calibration

    The system is now in Brightness calibration mode. • With a light applied directly to the photo diode on the KLR 10 indicator for at least 5 seconds, press and release the Brightness button until the display is at its maximum brightness.

  • Page 16: Brightness Adjustment When Active

    IN-FLIGHT CALIBRATION FLOW CHARTS The following flow charts contain an abbreviation version of the in- flight calibration procedures. The complete in-flight calibration procedures are contained in Section 5 of the KLR 10 Lift Reserve Indicator Installation Manual, Rev 0. KLR 10 Controls...

  • Page 17: Figure 2-2: Oaa Setpoint Calibration

    KLR 10 Lift Reserve Indicator Pilot’s Guide In-Flight calibration requires the pilot to climb to a STEP 1 safe altitude for slow flight maneuvers. The pilot will IN- FLIGHT fly the aircraft to the condition of Optimum Alpha CALIBRATION of KLR 10...

  • Page 18: Figure 2-3: Cruise Setpoint Calibration

    After the OAA set point is set successfully: Do not adjust the Calibration Mode Switch. Press the brightness button to enter the Cruise Set Point calibration mode. The KLR 10 Display flashes the Green Bar three times and there is no audio announcement.

  • Page 19: Operation

    (showing higher AOA) when flaps are extended. This section explains the procedures to be flown to develop a reference list that shows the segments that are lit on the KLR 10 Indicator during the different phases of flight. Section 3.1 on page 3-2 gives the procedure to practice a high AOA flight regime with the use of the KLR 10 Indicator.

  • Page 20: Practice High Aoa Flight Regime

    KLR 10 Pilot’s Guide PRACTICE HIGH AOA FLIGHT REGIME To familiarize you with the KLR 10 indications during a high AOA flight regime, use the following outline as a guide: • Plan a flight to an area where high AOA flight can be performed without any undue hazards (reference §...

  • Page 21: Observed Indications

    KLR 10 Lift Reserve Indicator Pilot’s Guide Observed Indications As the aircraft slows and the AOA increases, note the following: The colored segments on the AOA indicator transitions from the Green Bar (G) segment (Cruise) up through to the flashing Red arrow (R3) segment.
  • Page 22 KLR 10 Pilot’s Guide As the recovery progresses: indicator transitions from flashing Red Arrow segment through the Blue Circle (B) segment and continues through the Yellow Bars (Y2) segment until finally the Green Bar (G) segment (Cruise) is illuminated. Follow the outline above again but perform the high AOA flight...
  • Page 23 KLR 10 Lift Reserve Indicator Pilot’s Guide Start your recovery from the high AOA flight regime when the “Too slow! Too slow!” warning annunciates and the flashing Red arrow is displayed. Note: If any stall warning device activates or impending...
  • Page 24 KLR 10 Pilot’s Guide Practice until you become familiar with the indications on the AOA and the relationship of your airspeed indicator. Since the airfoil on your aircraft will ALWAYS stall at the same AOA (regardless of weight) the AOA indications will be the same every time.

  • Page 25: Practice Takeoff And Climb Using Aoa

    KLR 10 Lift Reserve Indicator Pilot’s Guide PRACTICE TAKEOFF AND CLIMB USING AOA The use of AOA for takeoff and climb performance will greatly increase the pilot’s awareness while operating at high angles of attack and yield safe and consistent results.

  • Page 26: Establish Segments Illuminated

    KLR 10 Pilot’s Guide Establish Segments Illuminated As before to familiarize you with the KLR 10 indications for V the following outline as a guide: • Plan a flight to an area where the desired maneuvers may be performed without any undue hazards.

  • Page 27: Fly Practice Approaches For Familiarization

    KLR 10 Lift Reserve Indicator Pilot’s Guide Fly Practice Approaches for Familiarization Now practice the use of the AOA for takeoff at airports that give you a comfortable margin. Then when you perfect the technique you can perform short field over an obstacle takeoffs safely. Use the following outline as a guide.

  • Page 28: Observed Indications

    KLR 10 Pilot’s Guide Observed Indications As the aircraft accelerates down the runway the KLR 10 AOA indicator will start to illuminate with the flashing Red Arrow (R3) segment, then top half of the single Red Bar with Blue upper Half Circle (BR) segment, through to...

  • Page 29: Practice Best Glide Speed

    • Correct CAS for installation errors to arrive at IAS. Establish Segments Illuminated As before, to familiarize you with the KLR 10 AOA indications for Maximum use the following outline as a guide: • Plan a flight to an area where the desired maneuvers may be performed without any undue hazards.
  • Page 30 KLR 10 Pilot’s Guide Segments Illuminated: This AOA indication will be correct for future use at any gross weight, altitude, every time. Document the angles of attack by the segments illuminated in a permanent record for future use. Example: Best Glide = single upper Yellow Bar with Blue lower Half Circle (YB) segment being illuminated.

  • Page 31: Practice Approaches Using Aoa

    KLR 10 Lift Reserve Indicator Pilot’s Guide PRACTICE APPROACHES USING AOA A rule of thumb is to use an approach speed of 1.3 times the power off stall speed in the landing configuration. Another rule of thumb is in gusty winds add 5kts for one passenger and if it’s really gusty add 10kts for several passengers.

  • Page 32: Establish Segments Illuminated

    At no time is a stall required to correctly calibrate or operate the KLR 10. • Acquaint yourself with the KLR 10 display AOA indicator. • Preflight and operate the aircraft as you would normally. •...

  • Page 33: Fly Practice Approaches For Familiarization

    KLR 10 Lift Reserve Indicator Pilot’s Guide Fly Practice Approaches for Familiarization To familiarize you with the aircraft while flying practice approaches using the KLR 10 Indicator as a guide please use the following outline: • Plan a flight to an area where approaches and slow flight can be performed without any undue hazards (reference §...

  • Page 34: Useful Techniques When Using Klr 10 Indicator

    Approaches at the higher angles of attack left little time between starting the flair and stall. Useful Techniques when using KLR 10 Indicator Some techniques and things to consider when using the KLR 10 Indicator to fly approaches are: •...
  • Page 35 KLR 10 Lift Reserve Indicator Pilot’s Guide Write down the actual indications you observe on the KLR 10 Indicator as you conduct the different phases of flight. Table 3-1: Observed Indications Chart Segment ABBR Phase of Flaps Flaps Illuminated Flight...

  • Page 36: Notes

    KLR 10 Pilot’s Guide NOTES Operation P/N D201306000109 Page 3-18 Rev 0 Jul 2013...

  • Page 37: Appendix

    KLR 10 Lift Reserve Indicator Pilot’s Guide APPENDIX ACRONYMS AND ABBREVIATIONS Acronyms and abbreviations used in this manual are defined as follows: TERMS DEFINITION Angle of Attack Coefficient of Lift CLmax Coefficient of Lift Maximum Coefficient of Drag Coefficient of Lift over Coefficient of Drag...

  • Page 38: Honeywell-Confidential

    KLR 10 Pilot’s Guide HONEYWELL-CONFIDENTIAL THIS COPYRIGHTED WORK AND ALL INFORMATION PROPERTY HONEYWELL INTERNATIONAL INC., CONTAIN TRADE SECRETS AND MAY NOT, IN WHOLE OR IN PART, BE USED, DUPLICATED, OR DISCLOSED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN PERMISSION HONEYWELL INTERNATIONAL INC. ALL RIGHTS RESERVED.
  • Page 39 KLR 10 Lift Reserve Indicator Pilot’s Guide aerospace products, Honeywell hereby grants you a limited, non- exclusive license to use these Materials to maintain or repair the subject Honeywell aerospace products only at the facility to which these Materials have been shipped ("the Licensed Facility").

  • Page 40: Copyright - Notice

    KLR 10 Pilot’s Guide 8. Limitation of Liability - Honeywell does not make any representation regarding the use or sufficiency of the Materials. THERE ARE NO OTHER WARRANTIES, WHETHER WRITTEN OR ORAL, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, (i) WARRANTIES ARISING FROM...

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