Plane guard

A plane guard is a warship (commonly a destroyer or frigate) or helicopter tasked to recover the aircrew of planes or helicopters which ditch or crash in the water during aircraft carrier flight operations.

A British frigate providing plane guard support to a US aircraft carrier

Ships

For ships, the plane guard is positioned at least 500 yards behind the carrier and either to port and clear of the carrier, or at a point intersecting the carrier's final approach line. Ships in the latter position provide an additional point of reference to approaching aircraft. One of the ship's boats is prepared for launch and swung over the side, but not placed in the water. If an aircraft ditches or crashes, either while approaching the carrier to land or following a failed landing, the ship proceeds to the approximate position of the aircraft, and the prepared boat is deployed to rescue the aircrew.

The plane guard role is dangerous for ships, as aircraft carriers must often change speed and direction to preserve optimum take-off and landing conditions for their aircraft, and a lack of awareness or any incorrect manoeuvres on the part of either ship can place a plane guard ship under the bows of a carrier travelling at full speed. Both HMAS Voyager (in 1964) and USS Frank E. Evans (in 1969) were lost while incorrectly manoeuvering during plane guard duties which resulted in collisions with the Australian aircraft carrier HMAS Melbourne.[1]

Helicopters
A United States Navy SH-60 Seahawk acts as plane guard during an exercise involving USS John C. Stennis.

After World War II, plane guard duties and search-and-rescue roles were sometimes carried out by amphibious aircraft. However, prior to the Korean War helicopters were discovered to be more efficient and effective in both roles.[2] As helicopters came into more common usage, they supplemented and sometimes replaced plane guard ships, as they could retrieve crashed aircrew faster and more safely than the ships.[3] However, night operations still required a ship in the plane guard position.[3]

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gollark: ↑ apparently they did that president's corruption trial via Teams
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References
  1. "Archived copy". Archived from the original on 2013-12-12. Retrieved 2012-12-24.CS1 maint: archived copy as title (link)
  2. Australia's Museum of Flight (2008-02-11). "Supermarine Sea Otter, (Cockpit only - JN200)". Archived from the original on 2007-08-30. Retrieved 2008-03-02.
  3. Hobbs, David (Winter 2004). "British Commonwealth Carrier Operations in the Korean War". Air & Space Power Journal. 18 (4): 62–71. ISSN 1555-385X. p. 67
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