Lockheed YF-94C (S/N 50-955) in flight. This aircraft was built on speculation by Lockheed in a non-military version. A second prototype (S/N 50-877) was built as a military version prototype after the USAF decided to proceed with procurement of the C model. (U.S. Air Force photo)
The Lockheed YF-97A was the early designation of the F-94C Starfire. Lockheed built two prototype aircraft; the first, S/N 50-955, was constructed on speculation without military equipment. Because of the USAF need for an all-weather interceptor and the delays in the North American F-86D and Northrop F-89 programs, a second militarized version of the YF-97A was built for evaluation (S/N 50-877).
The YF-97A was based on the F-94B, but was modified during the test program to carry 24 Folding Fin Aerial Rockets in the nose, thus becoming the first USAF fighter to be armed exclusively with rockets. An order for 118 F-97As was reassigned as the first block of F-94Cs.
Improved F-94B; became F-94C
TECHNICAL NOTES (F-94C): Armament: 24 2.75 in. Folding Fin Aerial Rockets (FFAR) in nose and 24 FFARs in two wing pods Engines: Pratt & Whitney J48-P-5 or -5A of 8,750 lbs. thrust with afterburner (early C models had J48-P-3 and late models were field upgraded to J48-P-7) Maximum speed: 640 mph Cruising speed: 476 mph Range: 1,275 miles Service ceiling: 51,800 ft. Span: 37 ft. 4 in. Length: 44 ft. 4 in. Height: 14 ft. 11 in. Weight: 24,000 lbs. maximum Crew: Two