page_title: Arresting gear
section_title: Barricade
hierarchical_section_title: Arresting gear / Barricade
caption_attribution_description: English: Diagram of US aircraft carrier barricade.
context_page_description: An arresting gear, or arrestor gear, is a mechanical system used to rapidly decelerate an aircraft as it lands. Arresting gear on aircraft carriers is an essential component of naval aviation, and it is most commonly used on CATOBAR and STOBAR aircraft carriers. Similar systems are also found at land-based airfields for expeditionary or emergency use. Typical systems consist of several steel wire ropes laid across the aircraft landing area, designed to be caught by an aircraft's tailhook. During a normal arrestment, the tailhook engages the wire and the aircraft's kinetic energy is transferred to hydraulic damping systems attached below the carrier deck. There are other related systems which use nets to catch aircraft wings or landing gear. These barricade and barrier systems are only used for emergency arrestments for aircraft without operable tailhooks.
context_section_description: The barricade is an emergency recovery system used only when a normal (pendant) arrestment cannot be made. The barricade is normally in a stowed condition and rigged only when required. To rig a barricade, it is stretched across the flight deck between stanchions, which are raised from the flight deck. Rigging the barricade is routinely practiced by U.S. carrier flight deck personnel; a well trained crew can accomplish the task in under three minutes.
  The barricade webbing consists of upper and lower horizontal loading straps joined to each other at the ends. Five vertical engaging straps, spaced 20 feet apart, are connected to each upper and lower load strap. The barricade webbing is raised to a height of approximately 20 feet. The barricade webbing engages the wings of the landing aircraft, wherein energy is transmitted from the barricade webbing through the purchase cable to the arresting engine. Following a barricade arrestment, the webbing and deck cables are discarded and the stanchions are lowered back into their recessed slots. Barricade engagements are rare, as tailhooks are designed to be extremely fail-safe, and an aircraft returning from combat with such severe damage would likely not be able to land. This device has been installed on all American aircraft carriers and on the French Charles de Gaulle, while Brazilian CATOBAR and Russian and Indian STOBAR aircraft carriers have only conventional arresting gear installed.
caption: Carrier barricade in the raised position
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