NTSB Identification: LAX86IA021.
The docket is stored on NTSB microfiche number 30173.
Scheduled 14 CFR AMERICAN AIRLINES
Incident occurred Thursday, October 24, 1985 in OAKLAND, CA
Aircraft: BOEING 727-200, registration: N6815A
Injuries: 90 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

ON OCTOBER 24, 1985, AN AMERICAN AIRLINES 727 COLLIDED WITH A PARKED UNITED AIRLINES 727 DURING A POWER BACK OPERATION AT OAKLAND, CA. IMC EXISTED AT THE TIME WITH VISIBILITY LIMITED TO 0 FT DUE TO FOG. THE AA AC SUSTAINED MINOR DAMAGE TO ITS LEFT WING AND THE UA AC RECIEVED SUBSTANTIAL DAMAGE TO ITS TR WG. AA HAD TWO WING WALKERS AND A LEAD WALKER POSITIONED AT THE NOSE OF THE AA AC. THE LEAD PERSON STATED HER GOGGLES HAD FOGGED OVER AND COULDN'T CLEARLY SEE THE OTHER WING WALKERS. ADDTIONALLY, THE WANDS USED BY LEAD AND THE LT WING WALKER WERE INOPERATIVE. ACCORDING TO OTHER WITNESSES, LEAD DID NOT SEE THE STOP SIGNAL GIVEN BY THE LEFT WING WALKER. LEAD SAID SHE THOUGHT THERE WAS SUFFICIENT CLEARANCE.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

CLEARANCE..MISJUDGED..GROUND PERSONNEL

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

IMPROPER USE OF EQUIPMENT/AIRCRAFT..GROUND PERSONNEL


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

INADEQUATE SURVEILLANCE OF OPERATION..COMPANY/OPERATOR MGMT


Contributing Factors

LIGHT CONDITION..DAWN


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