NTSB Identification: ANC87FA021.
The docket is stored on NTSB microfiche number 31976.
Scheduled 14 CFR UNITED AIRLINES
Accident occurred Monday, December 15, 1986 in ANCHORAGE, AK
Probable Cause Approval Date: 08/30/1994
Aircraft: BOEING 727-222, registration: N7635U
Injuries: 2 Serious,7 Minor,93 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

ABOUT 10 MIN BEFORE ARRIVAL, THE ACFT SUDDENLY ENCOUNTERED TURBULENCE WHICH ONE OCCUPANT DESCRIBED AS A SINGLE TREMENDOUS JOLT. THE MISHAP OCCURRED WHILE THE ACFT WAS APRX 39 MILES EAST OF ANCHORAGE INTL ARPT AND WAS DESCENDING THRU 10,000 FT. THE SEAT BELT SIGN WAS ON & THE FLIGHT ATTENDANTS (F/A'S) WERE PREPARING THE CABIN FOR LANDING. ONE PASSENGER & ONE F/A WERE SERIOUSLY INJURED; THE OTHER THREE F/A'S & THREE OF THE PASSENGERS RECEIVED MINOR INJURIES. THERE WAS A SIGMET WHICH WARNED OF POSSIBLE TURBULENCE IN THE AREA.

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

WEATHER CONDITION..TURBULENCE

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