Oscar Deuce - Former Operators

Former Operators

Chile

• Chilean Navy - 10 O-2A, six operated, two to Navy Aero Club, two used for spares.

Costa Rica

• Civil Guard Air Section - Three O-2A.

Dominican Republic

• Dominican Air Force - Five O-2A (retired)

Ivory Coast

• National Armed Forces of Côte d'Ivoire - One O-2A delivered 1993.

Haiti

• Haitian Air Force - Eight (in service 1975-98) Reportedly six of these are Model 337s, and only two O-2As.

• Imperial Iranian Air Force - twelve O-2A delivered 1972.

Namibia

• Namibian Air Force - Six O-2A, five of which were delivered on June 26, 1994, for use in the anti-poaching and anti-smuggling rôle.

Solomon Islands

• Solomon Islands Government - Two O-2A.

South Korea

• Republic of Korea Air Force - at least 14 O-2A.

South Vietnam

• Vietnam Air Force - at least 35.

United States

• United States Air Force - between 11 and 40 aircraft
• United States Navy

Zimbabwe

• Zimbabwe Air Force - Two O-2A delivered 1994-1995.