Anchorage International Airport
Aircraft Accident/Incident Report

Anchorage, Alaska 99502
Tuesady, June 9, 1987 8:55 AKD

NTSB Narrative Summary Released at Completion of Accident

THE MECHANIC IN CHARGE OF TAXIING THE BOEING 727 ALLOWED AN UNAUTHORIZED AVIONICS TECHNICIAN TO OCCUPY THE PILOT SEAT. THEY INADVERTENTLY DEACTIVATED THE BRAKE PRESSURIZATION SYSTEM AND STRUCK A PASSENGER JETWAY AT THE TERMINAL GATE. AN ENSUING FIRE DESTROYED THE AIRPLANE AND A COMPANY GROUND VEHICLE AND EXTENSIVELY DAMAGED THE JETWAY. THE TERMINAL GATE WAS ALSO DAMAGED. A TOTAL OF 11 PERSONS WERE INJURED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 6/9/1987
Event Day of the Week Tuesday
Time of Event 855
Event Time Zone --
Event City ANCHORAGE
Event State ALASKA
Event Country --
Zipcode of the event site 99502
Event Date Year 1987
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport ANCHORAGE INTERNATIONAL
Event Location Nearest Airport ID ANC
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 144
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 845 Atlantic Daylight Time
Direction of event from weather observation facility (degrees) 270
Weather Observation Facility ID ANC
Elevation of weather observation facility 144
Distance of event from weather observation facility (units?) 4
Time Zone of the weather observation ADT
Lighting Conditions Day
Lowest Ceiling Height 10000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 60
Air Temperature at event time (in degrees celsius) 8
Dew Point at event time (in degress fahrenheit) 3
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 9
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 11
Injury Total None --
Injury Total Serious --
Injury Total All 11
Investigating Agency NTSB
NTSB Docket Number (internal use) 5024
NTSB Notification Source --
NTSB Notification Date Jun 9 1987 12:00AM
NTSB Notification Time 902
Fiche Number and/or location -used to find docket information 34021
Date of most recent change to record Feb 7 2007 11:57AM
User who most recently changed record NTSB\hamg
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N766AS
NTSB Number ANC87IA077
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name BOEING
Aircraft Model 727-90C
Aircraft Series Identifier 727-90C
Aircraft Serial Number 19728
Certified Max Gross Weight 169000
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 76
Number of Engines 3
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Jun 8 1987 12:00AM
Airframe hours since last inspection --
Airframe Hours 49937
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ALASKA AIRLINES
Aircraft Owner Street Address P.O. BOX 68900
Aircraft Owner City SEATTLE
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 98168
Operator is an individual? --
Operator Name ALASKA AIRLINES
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 68900
Operator City SEATTLE
Operator State WA
Operator Country
Operator Zip code 98168
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Taxi
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 9 2004 2:09PM
User who most recently changed record JOHB
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --