| Designation | Official, Popular Name(s) | Manufacturer | 1st Flight or Appearance | Role(s)/Notes |
L Curtiss 1916 triplane trainer - L-2 only des. assigned?
L-1 Vigilant Stinson 1942 liaison - redes. O-49
L-2 Grasshopper Taylorcr. 1942 liaison - redes. O-57
L-3 Grasshopper,Defender Aeronca 1942 liaison - redes. O-58
L-4 Grasshopper, Cub Piper 1942 USAAF/Army liaison - redes. O-59
(AE/NE)
L-5 (OY) Sentinel,Flying Jeep Stinson 1942 USAAF/Army liaison - redes. O-62 - later U-19
L-6 Cadet, Grasshopper Interstate 1943 liaison - redes. O-63
L-7 Monocoupe Universal 1942 experimental liaison
L-8 Cadet Interstate 1942 experimental liaison
L-9 Voyager Stin.Vult. 1942 redesignated O-54
L-10 Ryan 1942 drafted observation
L-11 Bellanca 1942 drafted observation
L-12 Reliant Stinson 1942 drafted C-81 liaison
L-13 Navion Cons. Vul. 1945 USAF/Army liaison, observation
L-14 Grasshopper, Cub Piper 1945 liaison - modified L-4
L-15 Scout Boeing 1947 Army single boom liaison scout with flaperons
L-16 Aeronca 1947 USAF/Army light liaison civilian 7-BC
L-17 Navion North Amer. 1947 Army VIP/troop transport, utility - later U-18
L-18 Super Cub Piper 1949 USAF/Army modified L-4J
L-19 (OE) Bird Dog Cessna 1949 Army multirole liaison, trainer - later O-1
L-20 Beaver D.H.C 1951 Army STOL liaison/utility transport- later U-6
L-21 Seneca Piper 1952 liaison/utility - advanced L-4
L-23 Seminole Beech 1952 Army liaison/utility transport civilian Twin
Bonanza (A-E), Queen Air (F) - in 1962
L-23D redes. as U-8D, redes. as U-8D,
redes. as U-8D, L-23F as U-8F
L-24 Courier Helio 1956 USAF/Army evaluator of STOL operational
technologies
L-25 McDonnell 1956 Army/USAF experimental VTOL convertiplane -
later [X]V-1
L-26 Commander Aero Design 1956 USAF/Army general utility -later U-4
(USAF)/U-9 (Army) - mod. civilian Commander
L-27 Blue Canoe/Bird, Cessna 1957 USAF/Army utility/liaison - later U-3
Administrator
L-28 Super Courier Helio-GAC 1958 Army/USAF STOL utility with 3/4 wing flaps -
similar to USAF L-24 - later U-10
LBE Pratt-Read 1941 USN bomber glider
LBP Piper 1941 Piper-built LBE
LBT Taylorcr. 1941 Taylorcraft-built LBE
LB-1 Pegasus Huff-Dal. 1923 Light Bomber - only single-engine LB
LB-2 Fokker 1925 light bomber developed from C-2 - single-wing
(Atlantic)
LB-3 Pirate Huff-Dal. 1925 derivative LB-1 - new engine
(Keystone)
LB-4 Martin 1928 proposed light bomber
LB-5 Pirate Huff-Dal. 1927 light bomber - sim. to LB-1, but twin-engined
(Keystone)
LB-6 Panther Keystone 1928 light bomber - modified LB-5
LB-7 Panther Keystone 1929 mod./reengined LB-6
LB-8 Panther Keystone 1929 reengined LB-6
LB-9 Panther Keystone 1929 reengined LB-6
LB-10 Panther Keystone 1929 single vertical tail LB-6; redes. to B-3 in 1930
LB-11 Panther Keystone 1930 reengined LB-6
LB-12 Panther Keystone 1930 reengined LB-7
LB-13 Panther Keystone 1930 reengined/mod. LB-10A; redes. to B-4, B-6 in 1930
LB-14 Panther Keystone 1930 reengined/mod. LB-10A
LB-30 Liberator II Consolid. 1941 modified B-24 for export - non-standard des.
LC-47H/J Skytrain, Dakota Douglas 1962 ski-equipped C-47 - redes. R4D-5/6L
(R4D-5/6L)
LC-117 Super DC-3, Skytrain Douglas 1962 winterized C-117 - redes. R4D-8L
(R4D-8L) II
LC-126 Cessna 1949 Army light transport, liaison, trainer C-126 -
later U-20 - civilian Model 195
LC-130 Hercules Lockheed 1962 USN wheels/skis polar C-130 - redes. USN UV-1L
(UV-1L)
LH-34 Seabat Sikorsky 1962 USN HUS-1L redes. in 1962 to LH-34D -
(HUS-1L) "winterized"
LNE Pratt 1945 USN trainer glider
(TG-32)
LNP (TG-8) Cub Piper 1941 USN/USMC training glider
LNR (TG-5) Aeronca 1941 USN/USMC training glider
LNS (TG-2) Schweizer 1941 USMC training glider
LNT (TG-6) Grasshopper Taylorcr. 1941 USN training glider
LP-2 Neptune Lockheed 1962 polar P-2 with skis - redes. P2V-7LP
(P2V-7)
LRA Allied 1941 USN amphibious transport glider
LR2A Allied 1941 proposed development LRA
LRG AGA 1941 USN amphibious twin hull transport glider
LRH Snead 1941 USN amphibious twin hull transport glider
LRN N.A.F. 1941 USN transport glider
LR2N N.A.F. 1941 USN single hull amphibian transport glider
LRQ Bristol 1941 USN amhibious transport glider
LRW (CG-4) Haig Waco 1940 USN CG-4
LR2W Waco 1941 USN transport glider
LS Loening 1921 USN scout flying boat
LU-16C Albatross Grumman 1962 Arctic HU-16 - red. UF-1L
LUSAGH Eng. Div. 1918 Army ground attack
LUSAO Eng. Div. 1919 Army observation triplane
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