U.S. Army aviation hub at Fort Sill, Oklahoma.
Opened
1917
Location
Fort Sill (Lawton), United States
Henry Post Army Air Field (IATA: FSI, ICAO: KFSI) is a military airfield located on Fort Sill, a major U.S. Army installation near Lawton, Oklahoma. The field primarily supports Army aviation training, rotary-wing operations, and military transport missions associated with the installation's artillery and air defense schools.
The airfield is named in honor of Henry Post, an early U.S. Army aviator who died in a flying accident in 1914. As a military facility, it is not open to commercial airline service and handles only military and authorized government aircraft.
Fort Sill itself is one of the oldest active military installations in the United States, and Henry Post Army Air Field plays a critical supporting role in the training and operational activities conducted there, including support for the U.S. Army Fires Center of Excellence.
Getting to & from
The airfield is located on the Fort Sill military reservation, accessible primarily via military and government vehicles; the nearest commercial airport is Lawton-Fort Sill Regional Airport.
Notable facts
- ›Named after Henry Post, a U.S. Army aviator killed in a 1914 crash.
- ›Located on Fort Sill, one of the oldest active U.S. Army posts, established in 1869.
- ›Supports the U.S. Army Fires Center of Excellence training mission.
- ›Handles primarily rotary-wing and military transport aircraft operations.
- ›Not open to commercial passenger traffic; access is restricted to military and authorized personnel.
This profile is provided for general information only. Details may be inaccurate or outdated — always verify with the airport's official website before acting on them.