GRASSHOPPER Series

Due to the wide variety of variants and high production numbers, this
database is limited to military production only and does not cover the
civil or foreign development of these light aircraft types.
The L-2 is based on the civil Taylorcraft Model B and D.
The L-3 is based on the civil Aeronca Model 65 Chief / Defender and
Model 7BC / 7EC Champion.
The L-4 is based on the civil Piper Models J-3 Cub, J-4 Cub Coupe,
J-5 Cub Cruiser, PA-11 Cub Special and PA-18 Super Cub.
The L-6 is based on the civil Interstate Model S-1 Cadet.

GRASSHOPPER Series SERVICE

Taylorcraft L-2 Grasshopper

Manufacturer: Taylorcraft Aviation Corp., Alliance, Ohio, USA
Models: Model B, D, ST-100
Designations: L-2; C-95, O-57, TG-6, TG-33, LNT
Name: Grasshopper
First official flight: (YO-57) 1941
Factory production period: 1941 - 1944
Primary service period: 1941 - ?
Last official flight: ?

Aeronca L-3 Grasshopper

Manufacturer: The Aeronca Aircraft Corp., Middletown, Ohio, USA
Models: Model 65, 7BC, 7EC
Designations: L-3; L-16, O-58, TG-5, LNR
Name: Grasshopper
First official flight: (YO-58) 1941
Factory production period: 1941 - ?
Primary service period: 1941 - ?
Last official flight: ?

Piper L-4 Grasshopper

Manufacturer: The Piper Aircraft Corp., Lock Haven, Pennsylvania, USA
Models: Model J-3, J-4, J-5, PA-11, PA-18
Designations: L-4; C-83, L-14, L-18, L-21, O-59, TG-8, U-7, AE, HE, LNP, NE
Names: Grasshopper; Cub (L-18), Super Cub (L-18, L-21)
First official flight: (YO-59) 1941
Factory production period: 1941 - ?
Primary service period: 1941 - ?
Last official flight: ?

Interstate L-6 Grasshopper

Manufacturer: Interstate Aircraft & Engineering Corp., El Segundo, California, USA
Model: Model S-1
Designations: L-6; L-8, O-63
Name: Grasshopper
First official flight: (XO-63) 1942
Factory production period: 1942 - ?
Primary service period: 1942 - ?
Last official flight: ?

GRASSHOPPER Series VARIANTS

Taylorcraft L-2 Grasshopper

1941 Model D YO-57 (L-2) 4  
1941 Model D O-57 (L-2) 20  
1941 Model D O-57A (L-2A) 476  
1942 Model D L-2B 490  
1942 Model D L-2M 900  
1943 Model ST-100 TG-6 253  
1943 Model D LNT-1 25 Grand Total: 2168

Aeronca L-3 Grasshopper

1941 Model 65TC YO-58 (L-3) 4  
1941 Model 65 O-58 (L-3) 50  
1941 Model 65 O-58A (L-3A) 20  
1941 Model 65 O-58B (L-3B) 875  
1942 Model 65 L-3C 490  
1942 Model 65 TG-5 250 Total: 1689
         
1947 Model 7BC L-16A 509  
1948 Model 7EC L-16B 100 Total: 0609

Grand Total: 2298

Piper L-4 Grasshopper

1941 Model J-3C-65 YO-59 (L-4) 4  
1941 Model J-3C-65 O-59 (L-4) 40  
1941 Model J-3C-65 O-59A (L-4A) 948  
1942 Model J-3C-65 L-4B 980  
1943 Model J-3C-65 L-4H 1801  
1944 Model J-3C-65 L-4J 1680  
1942 Model J-3C-65 TG-8 250  
1942 Model J-5C HE-1 100  
1942 Model J-3C-65 NE-1 230  
1942 Model J-3C-65 NE-2 20 Total: 6053
         
1945 Model J-3C-65 YL-14 5  
1945 Model J-3C-65 L-14 8  
1949 Model PA-11 L-18B 105  
1949 Model PA-18 L-18C 839  
1951 Model PA-18 YL-21 2  
1952 Model PA-18 L-21A 150  
1953 Model PA-18 L-21B 584  
1951 Model J-5A L-4F 6 Total: 1699

Grand Total: 7752

Interstate L-6 Grasshopper

1942 Model S-1-B XO-63 (XL-6) 1  
1943 Model S-1-B1 L-6 250  
? Model S-1-A L-8A 8 Grand Total: 0259

 

GRAND TOTAL: 12477

L-2 PRODUCTION

YO-57
Prototype single-engined, 2-seater
observation aircraft for the US Army.
Later redesignated as O-57, then L-2.
Produced

Taylorcraft Alliance, Ohio

42-452 / 42-455 ? 4 Total: 0004

O-57
As YO-57, minor changes.
Redesignated as L-2 in 1942.
Produced

Taylorcraft Alliance, Ohio

42-7773 / 42-7792 ? 20 Total: 0020

O-57A
As O-57, modified cabin / wings.
Redesignated as L-2A in 1942.
Produced

Taylorcraft Alliance, Ohio (TA)

42-15073 / 42-15158 ?    
42-35825 / 42-36074 ?    
42-38498 / 42-38537 ?    
43-25754 / 43-25853 ? 476 Total: 0476

L-2B
As L-2A, equipment upgrade.
Produced
Taylorcraft Alliance, Ohio (TA)

43-001 / 43-490 ? 490 Total: 0490

L-2M
As L-2A, modified engine cowlings,
wing spoilers.
Produced

Taylorcraft Alliance, Ohio (TA)

43-25854 / 43-26753 ? 900 Total: 0900

TG-6
As L-2, 3-seater training-glider version
with modified cabin in place of engine.
Produced

Taylorcraft Alliance, Ohio (TA)

42-58561 / 42-58810
- 7 to USN as XLNT-1,
BuNo. 67800 / 67806.
?    
43-12496 / 43-12498
- 3 to USN as XLNT-1,
BuNo. 36428 / 36430.
? 253 Total: 0253

LNT-1
As TG-6, version for US Navy.
Produced

Taylorcraft Alliance, Ohio (T)

BuNo.87763 / 87787 ? 25 Total: 0025

 

Grand Total: 2168

L-2 CONVERSIONS

US Army

1942, civil aircraft impressed from commercial / private owners:
(Model DC65) L-2C
Assigned s/n: 43-2860, 43-2862 / 43-2866,
43-2868 / 43-2873, 43-2901.
13  
(Model DL65) L-2D
Assigned s/n: 43-2902.
1  
(Model DF65) L-2E
Assigned s/n: 43-2859, 43-2861, 43-2867,
43-2890 / 43-2892, 43-2903 / 43-2906.
10  
(Model BL65) L-2F
Assigned s/n: 42-79556, 43-2881 / 43-2883,
43-2889, 43-2893, 43-2908.
- First s/n originally designated UC-95.
7  
(Model BFT65) L-2G
Assigned s/n: 43-2888, 43-2907.
2  
(Model BC12-65) L-2H
Assigned s/n: 43-2874, 43-2879, 43-2880,
43-2885, 43-2886, 43-2895 / 43-2897, 43-2900.
9  
(Model BL12-65) L-2J
Assigned s/n: 43-2875 / 43-2877, 43-2898,
43-2899.
5  
(Model BF12-65) L-2K
Assigned s/n: 43-2878, 43-2884, 43-2887,
43-2894.
4  
(Model BF50) L-2L
Assigned s/n: 42-79559.
1 Total: 52
XTG-33

1

TG-6, 1945, prototype with prone station for pilot.

L-3 PRODUCTION

YO-58
Prototype single-engined, 2-seater
observation aircraft for the US Army.
Later redesignated as O-58, then L-3.
Produced

Aeronca Middletown, Ohio

42-456 / 42-459 ? 4 Total: 0004

O-58
As YO-58, minor changes.
Redesignated as L-3 in 1942.
Produced

Aeronca Middletown, Ohio

43-2809 / 43-2858 ? 50 Total: 0050

O-58A
As O-58, wider fuselage, larger windows.
Redesignated as L-3A in 1942.
Produced

Aeronca Middletown, Ohio

42-7793 / 42-7812 ? 20 Total: 0020

O-58B
As O-58A, equipment upgrade.
Redesignated as L-3B in 1942.
Produced

Aeronca Middletown, Ohio (AE)

42-14713 / 42-14797 ?    
42-36075 / 42-36324 ?    
42-38458 / 42-38497 ?    
43-26754 / 43-27253 ? 875 Total: 0875

L-3C
As L-3B, no radio. Original
s/n: 42-60281 / 42-60770.
Produced

Aeronca Middletown, Ohio (AE)

43-1471 / 43-1960 ? 490 Total: 0490

TG-5
As L-3, 3-seater training-glider version
with modified cabin in place of engine.
Produced

Aeronca Middletown, Ohio (AE)

42-57229 / 42-57478
- 3 to USN as XLNR-1,
BuNo. 36422 / 36424.
? 250 Total: 0250
3 (43-12493 / 43-12495), additional airframes cancelled.

L-16A
As L-3, post-WWII version with
engine upgrade, minor changes
for the USAAF.
Produced

Aeronca Middletown, Ohio (AE)

47-788 / 47-1296 ? 509 Total: 0509

L-16B
As L-16A, engine upgrade,
dorsal fin.
Produced

Aeronca Middletown, Ohio (AE)

48-424 / 48-523 ? 100

Total: 0100

 

Grand Total: 2298

L-3 CONVERSIONS

US Army

1942, civil aircraft impressed from commercial / private owners:
Assigned s/n within block: 43-2809 / 43-2858, but most not
taken up. 1 impressed L-3F assigned s/n: 42-78044.
(Model 65TF) L-3D 11  
(Model 65TC) L-3E 12  
(Model 65CA) L-3F 20  
(Model 65TL) L-3G 4  
(Model 65TL) L-3H 1  
(Model 65TC) L-3J 1 Total: 49
XTG-5

4

Prototype trainer-glider conversions, cancelled.

L-4 PRODUCTION

YO-59
Prototype single-engined, 2-seater
observation aircraft for the US Army.
Later redesignated as O-59, then L-4.
Produced

Piper Lock Haven, Pennsylvania

42-460 / 42-463 ? 4 Total: 0004

O-59
As YO-59, minor changes.
Redesignated as L-4 in 1942.
Produced

Piper Lock Haven, Pennsylvania

42-7813 / 42-7852 ? 40 Total: 0040

O-59A
As O-59, larger windows.
Redesignated as L-4A in 1942.
Produced

Piper Lock Haven, Pennsylvania (PI)

42-15159 / 42-15329 8278 / 8448    
42-36325 / 42-36824 8449 / 8948    
42-38380 / 42-38457 8949 / 9026    
43-29048 / 43-29246 10339 / 10537 948 Total: 0948


Piper L-4A Grasshopper, s/n: 42-38455, seen here
as a Warbird with reg.: ZK-AIR.
Classic Fighters Omaka Airshow, New Zealand, 2013.

L-4B
As L-4A, no radio.
Produced
Piper Lock Haven, Pennsylvania (PI)

43-491 / 43-1470 9676 / 10291 ?? 980 Total: 0980

L-4H
As L-4B, equipment upgrade, fixed-pitch
prop. Some to USMC, no s/n change.
Produced

Piper Lock Haven, Pennsylvania (PI)

43-29247 / 43-30547 10538 / 11838    
44-79545 / 44-80044 11841 / 12340 1801 Total: 1801

L-4J
As L-4H, variable-pitch prop.
Produced

Piper Lock Haven, Pennsylvania (PI)

44-80045 / 44-80844 12341 / 13140    
45-4401 / 45-5200 13141 / 13940    
45-55175 / 45-55254 13941 / 14020 1680 Total: 1680
270 additional airframes cancelled.

TG-8
As L-4, 3-seater training-glider version
with modified cabin in place of engine.
Produced

Piper Lock Haven, Pennsylvania (PI)

43-3009 / 43-3258
- 3 to USN as XLNP-1,
BuNo. 36425 / 36427.
G1 / G250 250 Total: 0250
3 (43-12499 / 43-12501), additional airframes cancelled.

HE-1
As L-4, Hospital version for
US Navy, engine upgrade, 
hinged upper fuselage cover
for stretcher requirement.
Redesignated as AE-1 in 1942.
Produced

Piper Lock Haven, Pennsylvania (E)

BuNo.30197 / 30296 ? 100 Total: 0100

NE-1
As L-4, US Navy trainer version
with dual controls.
Produced
Piper Lock Haven, Pennsylvania (E)

BuNo.26196 / 26425 ? 230 Total: 0230

NE-2
As NE-1, equipment upgrade.
Produced

Piper Lock Haven, Pennsylvania (E)

BuNo.29669 / 29688 ? 20 Total: 0020
10 additional airframes cancelled.

YL-14
As L-4, prototype 3-seater version,
engine upgrade.
Produced

Piper Lock Haven, Pennsylvania (PI)

45-55525 / 45-55529 ? 5 Total: 0005

L-14
As YL-14, minor changes.
Produced

Piper Lock Haven, Pennsylvania (PI)

45-55530 / 45-55537 ? 8 Total: 0008
837 additional airframes cancelled.

L-18A - Development of the L-4J for export, no orders.

L-18B Cub
Military export version of the Model
PA-11 Cub Special for Turkish Army.
Produced

Piper Lock Haven, Pennsylvania (PI)

49-2774 / 49-2878 11-1249 / 11-1353 105 Total: 0105

L-18C Super Cub
Military version of the Model PA-18
Super Cub for the US Army. 243
also used in civil flying schools
with civil registrations.
Produced

Piper Lock Haven, Pennsylvania (PI)

50-1745 / 50-1812 18-401 / 18-468    
51-15272 / 51-15329 18-969 / 18-1026    
51-15330 / 51-15653 18-1330 / 18-1653    
52-2376 / 52-2539 18-1976 / 18-2139    
53-4665 / 53-4848 18-3065 / 18-3248    
54-719 / 54-758 18-3419 / 18-3458    
55-4749
- Designated as PA-11 Super Cub.
? 839 Total: 0839

YL-21 Super Cub
PA-18 Super Cub for US Army
evaluation.
Produced

Piper Lock Haven, Pennsylvania (PI)

51-6495, 51-6496 ? 2 Total: 0002

L-21A Super Cub
As YL-21, engine upgrade.
Produced

Piper Lock Haven, Pennsylvania (PI)

51-15654 / 51-15803 ? 150 Total: 0150

L-21B Super Cub
As L-21A, engine upgrade.
Redesignated as U-7A in 1962.
Produced

Piper Lock Haven, Pennsylvania (PI)

52-6220 / 52-6294 18-2520 / 18-2594    
53-3738 / 53-3784
- 47 to Japan.
18-2738 / 18-2784    
53-4849 / 53-4877 18-3249 / 18-3277    
53-7718 / 53-7779
- 62 to Italy.
18-3318 / 18-3379    
54-2309 / 54-2663 18-3509 / 18-3863    
54-2826 / 54-2835 18-4226 / 18-4235    
55-4578 / 55-4581 ?    
61-2928, 61-2929 ? 584 Total: 0584

L-4F
As impressed L-4F, export version.
Produced

Piper Lock Haven, Pennsylvania (PI)

51-16086 / 51-16091 ? 6 Total: 0006

 

Grand Total: 7752

L-4 CONVERSIONS

US Army

ZL-4A 1+ L-4A, 1948, redesignation as obsolete.
1942, civil aircraft impressed from commercial / private owners:
(Model J-3L-65) L-4C
Assigned s/n: 42-79557, 42-79558.
- These 2 originally designated as UC-83A.
43-2923, 43-2925, 43-2927, 43-2932,
43-2959, 43-2967.
8  
(Model J-3F-65) L-4D
Assigned s/n: 43-2914, 43-2924, 43-2992,
43-2995, 43-2996.
5  
(Model J-4B) Assigned RAF s/n: DP852. 1  
(Model J-4E) L-4E
Assigned s/n: 42-79555, 43-2941,
43-2954 / 43-2958, 43-2973, 43-2974,
43-2989, 43-2990, 43-3003 / 43-3008.
- First s/n originally designated UC-83B.
17  
(Model J-5A) L-4F
Assigned s/n: 42-79551 / 42-79554.
- These 4 originally designated UC-83.
42-57507, 42-107425, 43-2909, 43-2911,
43-2912, 43-2915 / 43-2920, 43-2922,
43-2926, 43-2930, 43-2931, 43-2934,
43-2935, 43-2937 / 43-2939,
43-2947, 43-2949, 43-2952, 43-2953,
43-2964 / 43-2966, 43-2968 / 43-2970,
43-2978, 43-2980, 43-2991,
43-2999 / 43-3002, 44-52988.
42  
(Model J-5B) L-4G
Assigned s/n: 43-2910, 43-2913, 43-2921,
43-2928, 43-2929, 43-2933, 43-2936,
43-2940, 43-2942 / 43-2946, 43-2948,
43-2950, 43-2951, 43-2963, 43-2971,
43-2972, 43-2975 / 43-2977, 43-2979,
43-2981 / 43-2988, 43-2994, 43-2997,
43-2998.
7 more were also impressed without s/n.
41 Total: 114
ZL-4K 1+ L-4J, 1948, redesignation as obsolete.
TL-21A 1+ L-21A, trainer conversions.

Foreign Conversions

Cub Mk. I

5

L-4B, 1943, delivered to RAF for evaluation. Assigned RAF
s/n: FR886 / FR889 (later: HK936 / HK939), VM286.

L-6 PRODUCTION

XO-63
Prototype single-engined, 2-seater
observation aircraft for the US Army.
Redesignated as XL-6 in 1942.
Produced

Interstate El Segundo, California

42-15895 ? 1 Total: 0001

L-6
As XL-6, minor changes.
Produced

Interstate El Segundo, California (IN)

43-2559 / 43-2808 ? 250 Total: 0250

L-8A
As L-6, export version for Bolivia,
engine upgrade.
Produced

Interstate El Segundo, California (IN)

42-88658 / 42-88665 ? 8 Total: 0008

 

Grand Total: 0259

FOREIGN MILITARY / CIVILIAN SERVICE
 - Many L-Bird aircraft sold to foreign armed forces both as new built or as
   second-hand from US stocks.
 - Taylorcraft Aeroplanes (England) Ltd. was set up in the UK in 1938
   and produced the L-2 as the Auster (1942, 2136 built) light observation
   aircraft. The company became Auster Aircraft Ltd. from 1946 and
   continued in the aviation business up to 1962.
 - Many L-Birds sold on the civil market to private owners as Warbirds.

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