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The United States military, since their first use of airplanes have given most of their fighter craft the designation of F. The F4F Corsair, for example. There were many notable exceptions during World War II, such as the venerable P-51, or the P-47. However, when jet designs began to replace propeller driven aircraft, the military wanted to consolidate their naming scheme under a single 'F', to begin with a clean slate. The McDonnell XFD-1 Phantom, the McDonnell XF2D-1 Banshee, and the North American XFJ-1 Fury, were all later designated as F-1, F-2, and F-3 respectively.

The 'New F' series of fighters has since proceeded largely unbroken. If that's the case, then why do we only hear about F-15 Eagles, F-16 Falcons, F-18 Hornets, and F-22 Raptors?

The biggest reason for the 'skipping' of numbers in the new F series, is the fact that most of them are actually only experimental designs. Two companies build prototypes for their prospective buyer (usually the United States Navy or Air Force). The two jets compete, and the Department of Defense selects one of them to purchase. Experimental models are proceeded by a Y, so that there is no actual F-17, but there was a YF-17, which competed with the YF-16 (which later became the F-16).

There are two examples that are not covered by experimental models, however.

There is not an actual F-13 fighter jet. The main reason for this was the common superstition with the number thirteen (hey, pilots are a superstitious bunch). So, in the interests of morale, the F-13 was skipped over.
There was an aircraft designated F-13, however. B-29 Superfortresses that were refitted for aerial surveillance and photography had the designation F-13, but they were most definitely not part of the new F series of jet fighters.

The only other F-number that does not have either a fighter, or an experimental prototype is the F-19.

The official line from the United States Air Force is that there simply was never any fighter given the designation F-19. After the F-20 designation was given to the Tigershark, rumor began to attach the F-19 to the semi-secret 'stealth fighter' project that was underway at Lockheed's Skunk Works division. Public culture began to fill the void of the F-19's absence. The computer game maker Microprose released an F-19 Stealth Fighter game for the 286. In 1986, the Testor Corporation of Illinois released a ten buck plastic kit model of a so-called "F-19 Stealth Fighter". Also in 1986, master of acronyms Tom Clancy referred to an "F-19 Ghostrider" in his novel Red Storm Rising.

The stealth fighter theory crumbled, however, when it was revealed that the 'stealth fighter' was not actually a fighter, but an attack aircraft. The F-117 Nighthawk, which is the all-black, angular, UFO-ish plane that was so successful in the Gulf War.

The Air Force later stated that the F-19 was skipped so that it would not be confused with the Soviet Union's MiG-19 jet fighter. This statement does not hold up as well, since neither the F-17, F-21, nor the F-23 had been similarly skipped (they all share a MiG counterpart model). Another theory suggests that the skip may have been for marketing purposes. This may have been to give the makers of the F-20 Tigershark a more 'new' image, instead of the old, out-of-date, and un-sexy connotations of a jet fighter designated F-19.

Other theories include:

  • The F-19 belongs to some unknown ultra-secret project that may or may not be underway any longer
  • The mysterious and much rumored, although unconfirmed 'Aurora' is actually the F-19
  • A plot on the part of the US military to confuse Soviet intelligence, making them think that there actually was a secret project when there really wasn't, making them waste resources chasing a wild goose
  • The powers that be goofed on a form somewhere, accidently skipping the F-19
    Or...
  • Maybe the Air Force was really just telling the truth



    For more information, check out Joe Baugher's Encylcopedia of American Military Aircraft
    http://www.csd.uwo.ca/~pettypi/elevon/baugher_us/
  • There is another theory on why the F-19 designation was skipped, and why the USAF chose to use the rather confusing and nonsensical F-117 designation for the Nighthawk.

    The theory is found in Tom Clancy's non-fiction book "Fighter Wing". In short, it goes on about how a US Air Force general in charge of the stealth fighter project found out about a plastic model kit named "F-19 Stealth Fighter Frisbee". The kit in question was released by US model kit maker Testor in 1986 and sold like there was no tomorrow. In fact, it is claimed to be the highest selling model kit in model kit history.

    This particular general was fuming about it.

    In order to have the last word, the general pulled all the strings he could and had the official designation changed from F-19 to the completely random F-117. So when the Nighthawk was shown to the public for the first time in 1988, its designation had changed somewhat.

    This is of course just another rumour which happened to be heard and chronicled by Tom Clancy while researching "Fighter Wing". There's probably a fighter jock somewhere still laughing about it.

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