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Last updated: 17 February 2020
Status:Final
Date:Tuesday 9 June 1987
Time:08:55
Type:Silhouette image of generic B721 model; specific model in this crash may look slightly different
Boeing 727-90C
Operator:Alaska Airlines
Registration: N766AS
C/n / msn: 19728/536
First flight: 1968-02-17 (19 years 4 months)
Total airframe hrs:49937
Engines: 3 Pratt & Whitney JT8D-7A
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 2
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:Anchorage International Airport, AK (ANC) (   United States of America)
Phase: Pushback / towing (PBT)
Nature:-
Departure airport:-
Destination airport:-
Narrative:
The mechanic in charge of taxiing the empty aircraft allowed an avionics technician to occupy the pilots seat. They inadvertently deactivated the brake pressurization system. The aircraft struck a passenger jet way and caught fire.

Probable Cause:

PROBABLE CAUSE:
"Brakes(normal)..inadvertent deactivation..company maintenance personnel
Checklist..not used..company maintenance personnel
CONTRIBUTING FACTORS
Planning/decision..inadequate..company maintenance personnel"

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 2 years and 1 months
Accident number: ANC87IA077
Download report: Summary report

Classification:

Sources:
» Aviation Letter 248
» ICAO Adrep Summary 2/91 (#1)
» NTSB


Photos

photo of Boeing-727-90C-N766AS
accident date: 09-06-1987
type: Boeing 727-90C
registration: N766AS
photo of Boeing-727-90C-N766AS
accident date: 09-06-1987
type: Boeing 727-90C
registration: N766AS
 
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Boeing 727

  • 1832 built
  • 49th loss
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