TCDS A-748

Page No. 1 2 3 4 Rev. No. 2 2 2 2 FEDERAL AVIATION ADMINISTRATION A-748 Revision 2 (Culver) L-AR-90 Lark 95 November 1, 1978 AIRCRAFT SPECIFICATION NO. A-748 Type Certificate Holder M. H. Spinks, Sr., P.O. Box 11099 Fort Worth, Texas I - Model L-AR-90 (Culver), (Army PQ-8), 1 PCLM, Approved September 11, 1941 Engine Franklin 4AC-199-E4 Fuel 80 min. octane aviation gasoline Engine limits For all operations, 2500 rpm (90 hp) Airspeed limits Level flight or climb 145 mph (CAS) Glide or dive 175 mph (CAS) C.G. range (+14.56) to (+15.6) Leveling means Use plumb line from upper rear engine mount attaching bolt to reference mark on bottom longeron. Maximum weight 1305 lbs. No. seats 1 (+26) Baggage None Fuel capacity 13.5 gals. (-3) Oil capacity 5 qts. (-24) Control surface movements Not available Serial Nos. eligible L-102AR and up and all AAF Nos. eligible Required equipment 1, 101, 201, and 202 II - Model Lark 95, 1 PCLM, Approved July 15, 1966 (Same as L-AR-90 except for engine, cowling, canopy, wing covering, and miscellaneous changes). Engine Continental C90-12F or C90-16F Fuel 80/87 min. grade aviation gasoline Engine limits For all operations, 2475 rpm (90 hp) Airspeed limits Level flight or climb 145 mph (CAS) Glide or dive 175 mph (CAS) C.G. range (+14.56) to (+16.85) (See Note 1 for alternate range) A-748 2 Leveling means Remove right wing-to-fuselage fairing. Place level in vertical position against wing spar. Maximum weight 1305 lbs. (See Note 1 for higher weight). No. seats 1 (+26) (See Note 1 for 2-seat aircraft). Baggage None (See Note 1) Fuel capacity 20 gals. (-3) Oil capacity 4.8 qts. (-23) Control surface movements Elevator Up 21 Down 30 (degrees measured from Elevator tab Up 20 Down 30 neutral) Aileron Up 17 Down 15 Rudder Right 37 Left 34 (measured from vert. stab. centerline) Serial Nos. eligible 9501 and up Required equipment 2, 204, 205, 206, 207, 303, 304, 305, 402, 403 and 404 SPECIFICATIONS PERTINENT TO ALL MODELS Certification basis Civil Air Regulations 4A (CAR 04 dated May 31, 1938) Production basis None. Prior to original certification, each aircraft manufactured for civil use must satisfactorily pass: (a) An inspection for workmanship, materials, and conformity before covering, metal priming or final finish is applied. (b) A final inspection of the completed aircraft. (c) A check of the flight characteristics. Weight and balance report including list of equipment included in certificated weight empty must be submitted for each aircraft with original inspector's report and each subsequent report covering changes in equipment. Datum Wing leading edge at fuselage (18 in. fwd. of wing attachment fitting centerline). Equipment Propellers and Propeller Accessories 1. Propeller (Model L-AR-90) 10 lbs. (-43) Any fixed pitch wood which is eligible for the engine power and speed and which meets the following limits: Static rpm at maximum permissible throttle setting: Not over 2240, not under 2140. No additional tolerance permitted. Diameter: Not over 70 in., not under 68 in. 2. Propeller (Model Lark 95) 21 lbs. (-42) McCauley 1 B90-CM with the following limits: Static rpm at maximum permissible throttle setting: Not over 2350, not under 2250 No additional tolerance permitted. Diameter: Not over 70 in., not under 69 1/2 in. No additional cut-off for repairs permitted. 3 A-748 Engine and Engine Accessories 101. Carburetor air heater (Model L-AR-90) 1 lb. (-28) 102. Starter (a) Auto Lite GFD 4801 (Model L-AR-90 only) 15 lbs. (-18) (b) Delco-Remy 1109656 (Model Lark 95 only) 15.5 lbs. (-16.75) 103. Vacuum pump (Model L-AR-90 only). 4 lbs. (-19) 104. Hydraulic pump (Model L-AR-90 only) 3 lbs. (-19) 105. Oil radiator (a) Harrison HE-212 (Model L-AR-90 only) 5 lbs. (-35) (b) Harrison HE-431-9 (Model L-AR-90 only) 5 lbs. (-35) 106. Air Cleaner - Air Maze (Model L-AR-90 only) 2 lbs. (-35) 107. Fuel pumps (Model Lark 95 only) (a) Engine driven - AC Model 9867 1.9 lbs. (-35.5) (b) Emergency - Autopulse Model 500 1.9 lbs. (-15) Landing Gear 201. 5.00-4 main wheels with E.T. Brakes 23 lbs. (+28) (Hayes 451M) and 6-ply tires and tubes (L-AR-90 only) 202. 5.00-4 nose wheel (Hayes 450M) with 6-ply tire and tube 10 lbs. (-26) (L-AR-90 only) 203. Nose wheel fender (L-AR-90 only) 1 lb. (-27) 204. 5.00-4 main wheels Goodrich D3-142-2 6.6 lbs. ea. (+28.75) 205. 5.00-4 nose wheel Goodrich D3-163A 3.2 lbs. (-27.75) 206. Brakes Goodrich D2-113 2.70 lbs. (+28.75) 207. Tries (main & nose) 500-4 6 PR each 1.95 lbs. Electrical Equipment 301. Generators (2) (Auto-Lite ODY 4106) (L-AR-90 only) 24 lbs. (-17) 302. Battery (Reading R-55) (L-AR-90) 51 lbs. (+42) 303. Battery (Reading S-25) (Lark 95) 21.5 lbs. (+43) 304. Generator (Delco-Remy 1101876 (Lark 95) 9.5 lbs. (-16.75) 305. Voltage Regulator (Delco-Remy 1118383) (Lark 95) 1.08 lbs. (-6.0) Instruments - Ref. Dwg. 9505810 Instrument Panel Model 95 402. Airspeed Indicator (Eclipse-Pioneer 1426) (Lark 95) .70 lbs. (+7.0) 403. Altimeter (Kollsman 671CP) (Lark 95) .90 lbs. (+7.0) 404. Compass (Airpath C2000) .56 lbs. (+7.0) Miscellaneous (Not listed above) 601. Door release (L-AR-90 only) 1 lb. (+15) A-748 4 NOTE 1: Model Lark 95, S/N 9501 and up may be certificated as 2 place airplanes with a gross weight of 1475 lb. And 50 lb. baggage (+41.50) when modified per FAA approved drawings called out on the following sealed drawing list pages: Page No. Date Page No. Date Page No. Date 1.0 1-20-67 1.1 5-9-67 1.2 4-8-67 2.0 4-25-67 2.1 4-16-67 2.2 5-16-67 2.3 4-17-67 3.0 5-10-67 3.1 3-10-67 4.0 6-8-67 4.1 6-8-67 4.2 9-4-66 5.0 6-8-67 6.0 4-18-67 6.1 4-18-67 7.0 6-20-67 7.1 4-18-67 C. G. Range (+14.56) to (+16.85) at 1305 lb. or less (+16.5) to (+19.30) at 1475 lb. NOTE 2: The following placards must be installed in all airplane models in view for the pilot: a) "Intentional spins prohibited". b) "Max. allowable limit load factor at C.G. is 4.3". Placard b) in cockpit of 1475 lb. aircraft only. .....END.....