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Liberty XL-2 Airplane Flight Manual Supplement

Compliance at a gross weight of 1750 lbs
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Download this manual See also: Maintenance Manual
Liberty Aerospace, Inc.
XL-2
AIRPLANE FLIGHT MANUAL SUPPLEMENT
LIBERTY XL-2 COMPLIANCE AT
A GROSS WEIGHT OF 1750 LBS
Serial No.
Registration No.
When Liberty Rework Kit Instruction RKI-SIL-08-001 for a Gross Weight of
1750 LBS is installed on SN0007 and 0009 through SN0125 this supple-
ment is applicable and must be inserted in the Liberty Aerospace XL-2 Air-
plane Flight Manual (AFM) Supplements Section (Section 9) P/N 135A-970-
500. The information contained herein supplements the EASA approved
Airplane Flight Manual P/N 135A-970-500 only in those areas listed herein.
For limitations, procedures, and performance information not contained in
this document, refer to the Liberty XL-2 EASA Approved Airplane Flight
Manual P/N 135A-970-500.
This flight manual supplement is approved by the FAA on behalf of the
European Aviation Safety Agency (EASA) using the bilateral agreement be-
tween the FAA and the DGAC-France. This flight manual was prepared in
accordance with the European requirements.
EASA Approved:
Date:
P/N 135A-970-509
Initial Release
EASA APPROVED
FOR
EASA APPROVED: August 18, 2009
Section 9
SUPPLEMENTS
Page 1 of 42

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Summary of Contents for Liberty XL-2

  • Page 1 When Liberty Rework Kit Instruction RKI-SIL-08-001 for a Gross Weight of 1750 LBS is installed on SN0007 and 0009 through SN0125 this supple- ment is applicable and must be inserted in the Liberty Aerospace XL-2 Air- plane Flight Manual (AFM) Supplements Section (Section 9) P/N 135A-970- 500.
  • Page 2 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 LIBERTY XL-2 COMPLIANCE AT A GROSS WEIGHT OF 1750 LBS LOG OF REVISIONS EASA Approval Signature Rev. Description Pages and Date Added step and note to check for For: Melvin D. Taylor Manager...
  • Page 3 REQUIRED TO COMPLY WITH THE 1750 LBS GROSS WEIGHT IN- CREASE AND/OR THAT THESE ITEMS DO NOT AFFECT AIRCRAFT AIRWORTHINESS WHEN OPERATED AT 1750 LBS. LIBERTY AEROSPACE IS NOT LIABLE FOR THE WEIGHT DISTRIBU- TION AND BALANCE ARM THAT RESULT FROM NON-FACTORY STC AND FORM 337 ITEMS.
  • Page 4 REWORK KIT INSTRUCTION (RKI): IS THE INSTRUCTIONS, PROCE- DURES AND PARTS SUPPLIED TO COMPLY WITH A SERVICE DOCU- MENT. FOR RKI-SIL-08-001 THE LIBERTY CRITICAL SERVICE BULLETINS (CSB), SERVICE BULLETINS (SB), SERVICE INFORMATIONAL LET- TERS (SIL), AND REWORK KIT INSTRUCTIONS (RKI) ARE MANDA- TORY FOR THE AIRCRAFT TO MEET TYPE DESIGN AND TO BE OPER- ATED AT A GROSS WEIGHT OF 1750 LBS.
  • Page 5 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS MAXIMUM CERTIFICATED WEIGHTS WARNING OPERATING THE AIRCRAFT ABOVE A WEIGHT OF 1653LBS WITH- OUT THE MANDATORY MODIFICATIONS RESULTS IN AN AIRCRAFT THAT DOES NOT COMPLY WITH THE FAA REGULATIONS AND MAY RESULT IN AN ACCIDENT, AND SERIOUS OR FATAL INJURY.
  • Page 6 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 SECTION 2 - LIMITATIONS AIRSPEED LIMITATIONS Airspeed limitations and their operational significance are shown in Table 2 - 1 SYMBOL SPEED KIAS Never Exceed Speed Maximum Structural Cruising Speed Maneuvering Speed at 1750 LBS...
  • Page 7 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS POWERPLANT LIMITATIONS PROPELLER Propeller Manufacturer ......MT-Propeller Entwicklung GmbH Propeller Model Number ..........MT175R127-2Ca Number of Blades ..................2 Propeller Diameter ................69 in Propeller Type..........Wood/Fiberglass, Fixed Pitch WEIGHT LIMITS Maximum ramp weight:...
  • Page 8 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 MANEUVER LIMITS This airplane is certified in the normal category, which is applicable to air- planes intended for non-aerobatic operations. These include maneuvers incidental to normal flying, stalls, lazy eights, chandelles, and turns in which the angle of bank does not exceed 60 degrees.
  • Page 9 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS SECTION 3 - EMERGENCY PROCEDURES AIRSPEEDS FOR EMERGENCY OPERATIONS Maneuvering Speed: 1750 lbs ................. 100 KIAS Best Glide Speed: 1750 lbs ................69 KIAS Emergency Approach Speed Without Engine Power: Flaps Up ................69 KIAS Flaps 30°...
  • Page 10 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 LANDING WITH A FLAT NOSE TIRE CAUTION Do not attempt to taxi airplane with flat main or nose gear tire. 1. Approach Speed ..............65 KIAS 2. Flaps ..........NO MORE THAN 10 DEGREES 3.
  • Page 11 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS ELEVATOR TRIM RUNAWAY 1. Control Stick ..............RESTRAIN (To maintain flight path and contain out-of-trim forces.) 2. Elevator Trim Switch....ACTUATE IN OPPOSITE DIRECTION (This may halt trim motion and/or trip ELEV TRIM circuit breaker.) 3.
  • Page 12 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 Balked Landing Climb Speed: Wide Open Throttle, Flaps 30° ........65 KIAS Maximum Recommended Turbulent Air Penetration (V 1750 lbs ................. 100 KIAS Maximum Demonstrated 90° Crosswind Velocity: Takeoff or Landing............15 Knots...
  • Page 13 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS BEFORE TAKEOFF WARNING If any abnormal HSA indications are observed after all operational checks are complete, takeoff is prohibited. Abort flight and notify main- tenance. Do not attempt flight until the discrepancy has been corrected.
  • Page 14 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 13. FADEC PWR B Switch ..............ON 14. FADEC PWR A Switch ..............OFF 15. Engine ........CHECK, NO RPM DROP OR SURGE 16. HSA PPWR FAIL Annunciator (EBAT FAIL may ill.).……CHECK ON 17. FADEC PWR A Switch ..............ON 18.
  • Page 15 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS TAKEOFF Power check: check the full-throttle engine operation early in the takeoff run. The engine should run smoothly and all engine instruments should read in the green. Abort takeoff at any sign of rough engine operation, slug- gish acceleration, or abnormal annunciation.
  • Page 16 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 SHORT FIELD TAKEOFF 1. Flaps....................10° 2. Heading Indicator……………………….VERIFY RUNWAY HEADING 3. Throttle....... FULL FORWARD WHILE HOLDING BRAKES 4. WOT Annunciator ............. CHECK ON 5. Engine Instruments..............CHECK 6. Brakes..... RELEASE (steer with rudder only/heels on floor) 7.
  • Page 17 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS SHORT FIELD LANDING 1. Flaps....................30° 2. Airspeed ............65 KIAS UNTIL FLARE 3. Power ...........IDLE (after clearing any obstacles) 4. Touchdown............. MAIN WHEELS FIRST 5. Brakes ..............APPLY HEAVILY 6. Elevator Control........MAINTAIN BACK PRESSURE CROSSWIND LANDING 1.
  • Page 18 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 SECTION 5 - PERFORMANCE AIRSPEED CALIBRATION Normal Static Source Conditions: Power ...............for level flight Weight ................1750 LBS Note: • Indicated airspeed values do not include instrument error. KCAS KIAS Flaps 64.5 62.5 73.5...
  • Page 19 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS AIRSPEED CALIBRATION Alternate Static Source Conditions: Power ............... for level flight Weight ................1750 LBS Vents ................... OPEN Note: • Indicated airspeed values do not include instrument error. KCAS KIAS Flaps 49.5 P/N 135A-970-509...
  • Page 20 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 STALL SPEEDS Conditions: Weight................1750 LBS C.G........Most Forward for Maximum Weight Power..................Idle Bank Angle ..............As Noted STALL SPEEDS Weight Bank Flaps Up Flaps 10 Flaps 30 Angle (deg) KIAS KCAS KIAS KCAS...
  • Page 21 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS TAKEOFF DISTANCE Begin the flight planning process by confirming that runway length is ade- quate for takeoff based on gross weight, altitude, and temperature. Use correction factors provided in the following notes to compensate for head- wind or tailwind components and temperature deviations.
  • Page 22 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 NORMAL TAKEOFF DISTANCE - 1750 LBS. Rotation Speed : 59 KIAS Flaps 10 Speed at 50 ft: 69 KIAS Press Distance TEMPERATURE - Gnd Roll 1194 1328 1472 1625 1788 1961 Over 50FT...
  • Page 23 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS NORMAL TAKEOFF DISTANCE - 1550 LBS. Rotation Speed : 55 KIAS Flaps 10 Speed at 50 ft: 65 KIAS Press Distance TEMPERATURE - Gnd Roll 1100 1214 1336 1466 Over 50FT 1576 1750...
  • Page 24 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 MAXIMUM RATE OF CLIMB Conditions: Weight................1750 LBS Flaps .................. Up (0°) Power........Full Throttle (WOT annunciator ON) Indicated Airspeed............ 76 KIAS (V Notes: • For operation in air colder than this table provides, use cold- est data shown.
  • Page 25 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS MAXIMUM CLIMB GRADIENT Conditions: Weight................1750 LBS Flaps .................. Up (0°) Power........Full Throttle (WOT annunciator ON) Indicated Airspeed ............ 76 KIAS (V Notes: • For operation in air colder than this table provides, use cold- est data shown.
  • Page 26 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 BALKED LANDING RATE OF CLIMB Conditions: Weight................1750 LBS Flaps ..................30° Power........Full Throttle (WOT annunciator ON) Indicated Airspeed............65 KIAS Notes: • For operation in air colder than this table provides, use cold- est data shown.
  • Page 27 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS BALKED LANDING CLIMB GRADIENT Conditions: Weight ................1750 LBS Flaps..................30° Power ........Full Throttle (WOT annunciator ON) Indicated Airspeed ............65 KIAS Notes: • For operation in air colder than this table provides, use cold- est data shown.

  • Page 28: Landing Distance

    Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 LANDING DISTANCE Landing performance charts are based on the airplane crossing the runway threshold at 50 ft AGL and at the indicated airspeed specified in the chart. Conditions: Winds ..................Zero Runway .............Dry, Level, Paved Weight ................
  • Page 29 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS NORMAL LANDING DISTANCE - 1750 LBS. Speed at 50 ft: 64 KIAS Flaps 30 Speed at Touchdown 54 KIAS Press Distance TEMPERATURE - Gnd Roll Over 50FT 1359 1396 1433 1471 1507 1544...
  • Page 30 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 NORMAL LANDING DISTANCE - 1550 LBS. Speed at 50 ft. : 63 KIAS Flaps 30 Speed at Touchdown: 53 KIAS Press Distance TEMPERATURE - Gnd Roll Over 50FT 1217 1249 1281 1313 1344...
  • Page 31 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS BEST GLIDE SPEED AND DISTANCE Aircraft Gross Weight Best Glide Speed 1750 LBS 69 KIAS GLIDE DISTANCE CHART Conditions: Flaps ................Full Up (0°) Power............IDLE, Throttle Closed Prop ................Windmilling Airspeed................69 KIAS Flight Attitude........

  • Page 32: Noise Characteristics

    NOISE CHARACTERISTICS The table below shows the certificated noise level for various configurations of the Liberty XL-2 airplane. The noise levels listed in the table below are in accordance with FAR 36 Appendix G Amendment 27 and ICAO Annex D Chapter 10.
  • Page 33 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS P/N 135A-970-509 EASA APPROVED: August 18, 2009 Initial Release Page 33 of 42...
  • Page 34 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 LOADING CHART Use the following chart to determine the moment/1000 for fuel and pay- load items to complete Airplane Loading Worksheet (Table 6-4). Pilot & CoPi- Baggage Fuel Volume Weight (lb) (Gallon) STN 79.78 STN 118.0 STN 101.8...
  • Page 35 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS EXAMPLE AIRPLANE LOADING WORKSHEET Instructions: Use the following worksheet to calculate airplane weight and balance prior to each flight. It is recommended that this page be photocopied to provide a supply of loading worksheets. Moments for each item may be calculated (item weight x item arm = item moment/1000) or determined from the graph on page 6-11.
  • Page 36 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 AIRPLANE LOADING WORKSHEET Instructions: Use the following worksheet to calculate airplane weight and balance prior to each flight. It is recommended that this page be photocopied to provide a supply of loading worksheets. Moments for each item may be calculated (item weight x item arm = item moment/1000) or determined from the graph on page 6-11.
  • Page 37 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS LOADED AIRPLANE TOTAL MOMENT LIMITATIONS Use the following chart or table to determine if the weight and moment from the completed Airplane Loading Worksheet (Table 6-4) are within limits. 1800 1700 1600 1500...
  • Page 38 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 LOADED AIRPLANE CENTER OF GRAVITY (ARM) LIMITATIONS The following chart illustrates the airplane center of gravity envelope as inches from aircraft datum (and as a percentage of MAC). WEIGHT AND CENTER OF GRAVITY LIMITS Forward: 81.00 inches aft of datum at 1598 lbs.
  • Page 39 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS Section 7 Airplane & Systems Description FLAP POSITION SWITCH To operate the flaps, a spring loaded, center flap control switch that is located on the avionics panel right side must be held in the "retract" or "extend" position. As flaps move, position information is provided by illuminating one of 3 indicators above the flap control switch.
  • Page 40 LIBERTY INSPECTION PROGRAMS In addition to the FAA requirements, Liberty Aerospace requires that propel- ler mounting bolt torque be checked every 25 operating hours (for wooden or wood/composite propellers only), and requires a somewhat abbreviated inspection of the airplane, engine, and engine components every 50 operat- ing hours.
  • Page 41 Liberty Aerospace, Inc. Section 9 XL-2 SUPPLEMENTS PROPELLER CARE The propeller should be washed and waxed using the same products and procedures as for the painted surfaces of the airplane. Any signifi- cant scratches should be reported to maintenance. Pilots should never attempt to sand out scratches in the propeller.
  • Page 42 Section 9 Liberty Aerospace, Inc. SUPPLEMENTS XL-2 THIS PAGE INTENTIONALLY LEFT BLANK EASA APPROVED: August 18, 2009 P/N 135A-970-509 Page 42 of 42 Initial Release...