PHBFC

Substantial
None

BOEING 747-400 S/N: 23982

Accident Details

Date
Friday, December 15, 1989
NTSB Number
ANC90FA020
Location
ANCHORAGE, AK
Event ID
20001213X29893
Coordinates
61.160522, -149.989074
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
245
Total Aboard
245

Probable Cause and Findings

INADVERTENT ENCOUNTER WITH VOLCANIC ASH CLOUD, WHICH RESULTED IN DAMAGE FROM FOREIGN MATERIAL (FOREIGN OBJECT) AND SUBSEQUENT COMPRESSOR STALLING OF ALL ENGINES. A FACTOR RELATED TO THE ACCIDENT WAS: THE LACK OF AVAILABLE INFORMATION ABOUT THE ASH CLOUD TO ALL PERSONNEL INVOLVED.

Aircraft Information

Registration
PHBFC
Make
BOEING
Serial Number
23982
Engine Type
Turbo-jet
Model / ICAO
747-400 B744
Aircraft Type
Fixed Wing Multi Engine
No. of Engines
4

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# ANC90FA020