Loening Aircraft Locator
DesignationNicknamePrimary role
COA-1 U.S. Air Force Corps Observation, Amphibian (1919-1924)
HL U.S. Navy / Marines Hospital (Ambulance) (1929-1942)
LS U.S. Navy / Marines Scout (1922-1946)
M-3Cat Various US Military Undesignated Aircraft (1909-1919)
M-8 Various US Military Undesignated Aircraft (1909-1919)
O-1 U.S. Air Force Observation (1924-1942)
O2L U.S. Navy / Marines Observation (1922-1962)
OA-1 U.S. Air Force Observation, Amphibian (1925-1947)
OA-2 U.S. Air Force Observation, Amphibian (1925-1947)
OL U.S. Navy / Marines Observation (1922-1962)
PW-2 U.S. Air Force Pursuit, Watercooled (1919-1924)
PW-2 U.S. Air Force Pursuit, Watercooled (1919-1924)
R-4 U.S. Air Force Racer (1919-1924)
S2L U.S. Navy / Marines Scout (1922-1946)
SL U.S. Navy / Marines Scout (1922-1946)