Tailhook landings by land-based aircraft are used in emergency situations to arrest planes experiencing failures that could imply a braking or steering malfunction. Like the one shown in the video.
The following clip shows something quite unusual: a RAF Typhoon jet belonging to the 29 Sqn making an emergency landing and using the tailhook system to come to a very quick halt on Mar. 9, 2017.
According to Airshowvision, the popular channel that posted the interesting footage to Youtube, the procedure was required by a nosewheel problem: “A chap with a scanner informed me a few mins before this that a pilot 10 miles out had reported a “nosewheel issue” and requested an emergency landing with the arrester mechanism.”
The Author adds an interesting comment to the video description, speculating a bit as to which could have been the root cause of the issue: “Just a theory here but a Typhoon took off a few mins before that in a performance take-off which could have been this one, and it is possible that he over stressed the landing gear by not retracting the wheels quickly enough. Also could have just been a random fault?”
Land-based military airfields operating combat jets use arresting gear systems to slow the aircraft down in case of emergency: such systems feature arresting cables spanning the width of the runway. Cables are typically 1 to 1.25 inches (2.5 to 3.2 centimeters) in diameter and suspended 1.5 to 3 inches (3.8 to 7.6 centimeters) above the pavement surface by rubber donuts 6 inches (15.2 centimeters) in diameter. Overrun arresting gear consisting of hook cables and/or elastic nets known as barriers (or Safeland) are used as a backup system: they are raised by pilot’s request if needed to catch the planes before they reach the overrun area.
Temporary or deployment airbases may use expeditionary systems similar to the permanent ones; unlike the fixed systems these can be installed and removed in a matter of a few hours.
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H/T Giulio Cristante for the heads-up
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