131436

The airplane was engaged in an acoustic buoy drop mission over the Ho Chi Minh Trail. The last radio contact was recorded at 0957LT then contact was lost. SAR operations were conducted but the wreckage was found 12 days later only on the north side of a cliff, about 150 feet below the 4,583-foot ridge line. All nine crew members were killed. Crew: Cdr Delbert Austin Olson, Lt(jg) Philip Paul Stevens, Lt (jg) Denis Leon Anderson, Lt (jg) Arthur Charles Buck, P02 Donald Nellis Thoresen, P02 Kenneth Harry Widon, P02 Michael Land Roberts, P02 Richard Michael Mancini, P03 Gale Robert Siow.

Flight / Schedule

131436

Registration

131436

MSN

426-5317

Date

January 11, 1968 at 09:57 AM

Type

CRASH

Flight Type

Survey / Patrol / Reconnaissance

Flight Phase

Flight

Crash Site

Mountains

Crash Location

Phou Louang Houaphan Province

Region

Asia • Laos

Crash Cause

Human factor

Narrative Report

On January 11, 1968 at 09:57 AM, 131436 experienced a crash involving Lockheed P-2 Neptune, operated by United States Navy - USN, with the event recorded near Phou Louang Houaphan Province.

The flight was categorized as survey / patrol / reconnaissance and the reported phase was flight at a mountains crash site.

9 people were known to be on board, 9 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 9, crew fatalities: 9, passengers on board: 0, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is human factor. The airplane was engaged in an acoustic buoy drop mission over the Ho Chi Minh Trail. The last radio contact was recorded at 0957LT then contact was lost. SAR operations were conducted but the wreckage was found 12 days later only on the north side of a cliff, about 150 feet below the 4,583-foot ridge line. All nine crew members were killed. Crew: Cdr Delbert Austin Olson, Lt(jg) Philip Paul Stevens, Lt (jg) Denis Leon Anderson, Lt (jg) Arthur Charles Buck, P02 Donald Nellis Thoresen, P02 Kenneth Harry Widon, P02 Michael Land Roberts, P02 Richard Michael Mancini, P03 Gale Robert Siow.

Aircraft reference details include registration 131436, MSN 426-5317.

Fatalities

Total

9

Crew

9

Passengers

0

Other

0

Crash Summary

The airplane was engaged in an acoustic buoy drop mission over the Ho Chi Minh Trail. The last radio contact was recorded at 0957LT then contact was lost. SAR operations were conducted but the wreckage was found 12 days later only on the north side of a cliff, about 150 feet below the 4,583-foot ridge line. All nine crew members were killed. Crew: Cdr Delbert Austin Olson, Lt(jg) Philip Paul Stevens, Lt (jg) Denis Leon Anderson, Lt (jg) Arthur Charles Buck, P02 Donald Nellis Thoresen, P02 Kenneth Harry Widon, P02 Michael Land Roberts, P02 Richard Michael Mancini, P03 Gale Robert Siow.

Cause: Human factor

Occupants & Outcome

Crew On Board

9

Passengers On Board

0

Estimated Survivors

0

Fatality Rate

100.0%

Known people on board: 9

Operational Details

Flight Type

Survey / Patrol / Reconnaissance

Flight Phase

Flight

Crash Site

Mountains

Region / Country

Asia • Laos

Aircraft Details

Registration

131436

MSN

426-5317