Stinson Aircraft Locator
DesignationNicknamePrimary role
AT-19Reliant U.S. Air Force Advanced Trainer (1924-1948)
C-81Reliant U.S. Air Force Transport (1925-1962)
C-91 U.S. Air Force Transport (1925-1962)
CQVigilant U.S. Air Force Target Control (1942-1947)
GQReliant U.S. Navy / Marines Transport, Single-Engined (1939-1941)
L-1Vigilant U.S. Air Force Liaison (1942-1962)
L-5Sentinel U.S. Air Force Liaison (1942-1962)
L-9Voyager U.S. Air Force Liaison (1942-1962)
L-12Reliant U.S. Air Force Liaison (1942-1962)
O-49Vigilant U.S. Air Force Observation (1924-1942)
O-54Voyager U.S. Air Force Observation (1924-1942)
O-62Sentinel U.S. Air Force Observation (1924-1942)
R3QReliant U.S. Navy / Marines Transport (1931-1962)
RQReliant U.S. Navy / Marines Transport (1931-1962)
SM-1Detroiter Commercial Transport
SRReliant Commercial Transport
U-19Sentinel U.S. Air Force Utility (1952- Present)