- Date
- March 28, 1970
- Place
- Annette Isl, AK · ANNETTE ISL, AK
- Injuries
- 27 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N3156Boeing 720B
- Status
- Completed · report June 8, 1972
- Report
- Brief approved by the director
- Case key
- 138586
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 1-0055 70/3/28 NR.ANNETTE ISL,ALAS BOEING 720B CR- 0 0 7 SCHED DOM PASSG SRV CERTIFICATE UNKNOWN, AGE TIME - 1810 N3156 PX- 0 0 20 UNK/NR, UNK/NR TOTAL DAMAGE-SUBSTANTIAL OT- 0 0 0 HOURS, UNK/NR IN TYPE, UNK/NR INSTRUMENT RATED. OPERATOR - WESTERN AIR LINES,INC. DEPARTURE POINT INTENDED DESTINATION ANCHORAGE,ALAS SEATTLE,WASH TYPE OF ACCIDENT PHASE OF OPERATION FIRE OR EXPLOSION: IN FLIGHT IN FLIGHT: CLIMB TO CRUISE ENGINE FAILURE OR MALFUNCTION IN FLIGHT: CLIMB TO CRUISE PROBABLE CAUSE(S) POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT. REMARKS- DUE TO INSUFFICIENT EVIDENCE CAUSE OF SEPARATION OF FAN HUB FRM NR 1 ENG COULD NOT BE DTRMND.
Aircraft
- Registration
- N3156
- Reported as
- Boeing 720B
- Category
- Airplane
- Engine
- turbo fan
- Damage
- Substantial damage
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Other investigations on N3156 · 1
Matched to the same aircraft by N-number and date.