1965 Philippine Sea A-4 incident

1965 Philippine Sea A-4 incident

A MK43 free-fall nuclear weapon on a handling dolly
Incident summary
Date December 5, 1965
Summary Pre-flight human error
Site Philippine Sea,[1] 80 mi (130 km)
E of Kikai Island, Kagoshima Prefecture, Japan[2]
27°33.2′N 131°19.3′E / 27.5533°N 131.3217°E / 27.5533; 131.3217[1]Coordinates: 27°33.2′N 131°19.3′E / 27.5533°N 131.3217°E / 27.5533; 131.3217[1]
Fatalities Pilot (LTJG Douglas M. Webster)[3]
Aircraft type Douglas A-4E Skyhawk
Operator Attack Squadron VA-56[4]
Carrier Air Wing Five
Registration BuNo 151022[4]

The 1965 Philippine Sea A-4 crash was a Broken Arrow incident in which a United States Navy Douglas A-4E Skyhawk attack aircraft carrying a nuclear weapon fell into the sea from the aircraft carrier USS Ticonderoga.[5]

The accident

On 5 December 1965, 31 days after Ticonderoga's departure from U.S. Naval Base Subic Bay in the Philippines,[5] the attack jet fell over the side during a training exercise while being rolled from the number 2 hangar bay to the number 2 elevator.[3] The pilot, Lieutenant (junior grade) Douglas M. Webster; the aircraft, Douglas A-4E BuNo 151022 of Attack Squadron 56 (VA-56); and the B43 nuclear bomb were never recovered[6] from the 16,000 ft (4,900 m) depth.[1] The accident occurred 80 miles (130 km) from Kikai Island, Kagoshima Prefecture, Japan.[2]

Ticonderoga had aboard Carrier Air Wing Five during this cruise, with two squadrons of Skyhawks, the other being VA-144.[7]

Revelation

It was not until 1989 that the Pentagon revealed the loss of the one-megaton bomb.[8] The revelation inspired a diplomatic inquiry from Japan requesting details.[9]

References

  1. 1 2 3 4 USS Ticonderoga (CVA-14) Deck Log (transcription in YouTube caption) (Report). "National Archives"(previously at Washington Navy Yard: Deck Log section). December 5, 1965. Retrieved 2012-04-18. NOTE: The Joe Baugher aircraft listing for this A-4 mistakenly identifies different waters (South China Sea near Vietnam) from those specified by the Deck Log's coordinates (E of a Japanese island).
  2. 1 2 Maruyama Kuniaki 丸山邦明 (2005). "Gunji kichi mondai to Amami 軍事基地問題と奄美". In Kagoshima-ken chihō jichi kenkyūsho 鹿児島県地方自治研究所. Amami sengo-shi 奄美戦後史 (in Japanese).
  3. 1 2 "LTJG Douglas M. Webster". A4skyhawk.org. 1965-12-05. Retrieved 2010-03-28.
  4. 1 2 Oskins, James C; Maggelet, Michael H. (2007). Broken Arrow: The Declassified History of U.S. Nuclear Weapons Accidents. Lulu Publishing. p. 217, ch. 29. ISBN 1-4357-0361-8.
  5. 1 2 "Ticonderoga Cruise Reports" (Navy.mil weblist of Aug 2003 compilation from cruise reports). Retrieved 2012-04-20. The National Archives hold[s] deck logs for aircraft carriers for the Vietnam Conflict.
  6. ↑ Broken Arrows at www.atomicarchive.com. Accessed Aug 24, 2007.
  7. ↑ http://www.gonavy.jp/CV-CV14f.html
  8. ↑ "U.S. Confirms '65 Loss of H-Bomb Near Japanese Islands". The Washington Post. Reuters. May 9, 1989. p. A-27.
  9. ↑ Washington, D.C.: The Washington Post, "Japan Asks Details On Lost H-Bomb", Wednesday, 10 May 1989, page A-35.
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