ASN logo
ASN Wikibase Occurrence # 55989
Last updated: 27 November 2020
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information. If you feel this information is incomplete or incorrect, you can submit corrected information.

Type:Silhouette image of generic H53 model; specific model in this crash may look slightly different
Sikorsky CH-53A Sea Stallion
Owner/operator:HMH-777 USMC
Registration: 153312
C/n / msn: 65-089
Fatalities:Fatalities: 5 / Occupants: 5
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:off Oksböl -   Denmark
Phase: En route
Departure airport:
Destination airport:USS Guadalcanal LPH-7
Crashed into North Sea off Denmark during NATO exercise "Northern Wedding" (1.)

OKSBOL, Denmark, Sept. 15— All five servicemen who died on a United States Marine helicopter that crashed into the North Sea Tuesday were from Texas, a Marine spokesman said today. The victims were identified as a Navy commander, David R. Morrison of Dallas, and four marines, Capt. William H. Coke of Court Hurst, Capt. James Huff of the Colony, Staff Sgt. Gary J. Lester of Arlington and Sgt. Timothy A. Creighton of Grand Prairie (2.) Vertical hinge pin failure - flung rotor blade.
(3.) Cause of crash was "catastrophic tail gearbox failure".


1. Hamburger Abendblatt 15.9.1982, p36
2. NY Times 15.9.1982, p
3. Robert A. Morris, SSgt USMC (Ret.) I was on the ship, I was Avionics for the squadron. After we returned to the states, the results from the investigation were released, and a squadron announcement was made. Also, a new 50 hour inspection was instituted to magnaflux the tail gearbox mounts. It was a manufacturing defect on a particular series of gearboxes. Over half the CH-53 fleet was grounded until new gearboxes became available.

Revision history:

01-May-2011 11:34 TB Updated [Operator, Total fatalities, Total occupants, Other fatalities, Location, Country, Source, Narrative]
03-May-2012 12:17 rdfoster Updated [Source, Narrative]
24-Jan-2013 07:41 TB Updated [Location, Source, Narrative]
15-Sep-2016 06:19 MikeSafeO Updated [Operator, Phase, Narrative]
02-Sep-2017 07:12 SSgtRobertMorris Updated [Operator, Destination airport, Source, Narrative]
11-Feb-2020 16:23 Iwosh Updated [Operator, Operator]

Corrections or additions? ... Edit this accident description