I was curious what this little extra surface on the back of the F-22 is for. I can't see any use of it protruding past the engine nozzles, so what is it for?
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5$\begingroup$ What is this jutting structure in the tail section called and what is its function? $\endgroup$– minsNov 20 at 14:11
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2$\begingroup$ That's how they make F-16's $\endgroup$– End Anti-Semitic HateNov 22 at 2:19
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1$\begingroup$ Does this answer your question? What is this jutting structure in the tail section called and what is its function? $\endgroup$– Ian KempNov 22 at 9:43
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2 Answers
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According to this cutaway (source) it is a "runaway emergency arrest hook housing":
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1$\begingroup$ Nit: it actually reads "runaway", not "runway". Runaway emergency arrest hook housing. $\endgroup$ Nov 21 at 4:10
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It is the tailhook housing. Looking for a definitive picture, but can't find one.
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$\begingroup$ but I thought the F-22 wasn't meant to be operated on carriers, or any situations needing a tailhook. Is it a backup then for emergencies? $\endgroup$– WyattNov 20 at 2:53
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8$\begingroup$ @Wyatt - Yes, emergencies. Hooks aren't just for carriers. Most (All?) USAF fighters have a hook, F-15, -16, etc. And the runways have a cable at each end. $\endgroup$– WPNSGuyNov 20 at 2:57
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$\begingroup$ I believe that was something that started being used with the Air Force version of the F-4. $\endgroup$– DavidwNov 22 at 18:00
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1$\begingroup$ @Davidw - No, before then. The F-100 had an emer arresting hook as well. $\endgroup$– WPNSGuyNov 22 at 21:44