Variants
- Source: AIRTime
- XC-97
- prototype, 3 built.
- YC-97
- cargo transport, 6 built.
- YC-97A
- troop carrier, 3 built.
- YC-97B
- fitted with 80 airliner-style seats, one in 1954 redesignated VC-97D, retired to MASDC 15 December 1969.
- C-97A
- transport, 50 built.
- KC-97A
- Three C-97As were converted into aerial refueling tankers with rear loading door removed and a flight refueling boom added. After the design was proven, they were converted back into the standard C-97A.
- C-97C
- medical evacuation transports, 14 C-97As converted during the Korean War (also designated MC-97).
- VC-97D
- staff transport conversions, 1 YC-97A, 2 C-97As converted, plus the YC-97B. Later designated C-97D.
- C-97E
- KC-97Es converted to transports.
- KC-97E
- aerial refueling tankers with rear loading doors permanently closed, 60 built.
- C-97F
- KC-97Fs converted to transports.
- KC-97F
- 3800hp R-4360-59B engines and minor changes, 159 built.
- C-97G
- 135 KC-97Gs converted to transports.
- EC-97G
- ELINT conversion of three KC-97Gs. 53-106 was operated by the CIA for covert ELINT operations in the West Berlin Air Corridor.
- KC-97G
- dual-role aerial refueling tankers/cargo transportation aircraft. KC-97G models carried underwing fuel tanks. 592 built.
- GKC-97G
- Five KC-97Gs were used as ground instruction airframes.
- JKC-97G
- One aircraft was modified to test the underwing General Electric J47-GE-23 jet engines, and was later designated KC-97L.
- HC-97G
- KC-97Gs converted for search and rescue operations, 22 converted.
- KC-97H
- One KC-97F was experimentally converted into a hose-and-drogue refueling aircraft.
- YC-97J
- two KC-97G conversion with four 4250 kW Pratt & Whitney YT34-P-5 turboprops, dropped in favour of the Boeing KC-135 Stratotanker.
- C-97K
- KC-97Gs converted to troop transports.
- KC-97L
- 81 KC-97Gs modified with two J47 turbojet engines on underwing pylons.
Read more about this topic: Boeing KC-97 Stratotanker
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