Lankan Ranger
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YF-24 Secret USAF Aircraft - Does the YF-24 really exist?
For several years project researchers have debated the possible existence of a classified aircraft called the YF-24, which was referenced in the bio of test pilot Colonel Joseph Lanni. It was later redacted, causing speculation that the plane could be a foreign jet under evaluation by the US Air Force, a one-of-a-kind technology demonstrator or stealth prototype, or simply a typo.
The Pentagon has denied the existence of a YF-24, while some USAF watchers remain similarly unconvinced.
Dave Majumdar recently posted this interesting article on the DEW Line, citing an engineering paper for a Boeing Multirole Fighter concept dating back to the 1990s.
The design known as the Model-24F shares commonalities with Boeing concepts for the future F/A-XX programme.
According to Majumdar, the design reflects a more agile aircraft than the current Lockheed Martin F-35 and has provisions for two-dimensional thrust vectoring and some other interesting features.
Interestingly, a more recent study shows what appears to be a tailless version of the same aircraft, with vertical and horizontal stabilisers removed and a redesigned back-end. The earlier Model-24F design apparently utilises 1998 technology, while the MRF-24X study incorporates 2003 technology and appears to be a step closer to more recent Boeing F/A-XX concepts.
Whether Boeing built and flight tested a full scale demonstrator aircraft based on the Model-24F during the 1990s, and indeed whether it was related to the mysterious YF-24, remains unknown. If nothing else, these intriguing engineering studies may help map the evolution of an aircraft design from early concepts to a future air superiority fighter.
Here is the full USAF report of the Model-24F, PDF file - GetTRDoc (1).pdf
For several years project researchers have debated the possible existence of a classified aircraft called the YF-24, which was referenced in the bio of test pilot Colonel Joseph Lanni. It was later redacted, causing speculation that the plane could be a foreign jet under evaluation by the US Air Force, a one-of-a-kind technology demonstrator or stealth prototype, or simply a typo.
The Pentagon has denied the existence of a YF-24, while some USAF watchers remain similarly unconvinced.
Dave Majumdar recently posted this interesting article on the DEW Line, citing an engineering paper for a Boeing Multirole Fighter concept dating back to the 1990s.
The design known as the Model-24F shares commonalities with Boeing concepts for the future F/A-XX programme.
According to Majumdar, the design reflects a more agile aircraft than the current Lockheed Martin F-35 and has provisions for two-dimensional thrust vectoring and some other interesting features.
Interestingly, a more recent study shows what appears to be a tailless version of the same aircraft, with vertical and horizontal stabilisers removed and a redesigned back-end. The earlier Model-24F design apparently utilises 1998 technology, while the MRF-24X study incorporates 2003 technology and appears to be a step closer to more recent Boeing F/A-XX concepts.
Whether Boeing built and flight tested a full scale demonstrator aircraft based on the Model-24F during the 1990s, and indeed whether it was related to the mysterious YF-24, remains unknown. If nothing else, these intriguing engineering studies may help map the evolution of an aircraft design from early concepts to a future air superiority fighter.
Here is the full USAF report of the Model-24F, PDF file - GetTRDoc (1).pdf
