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19891129047839A

Accident · Substantial damage
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FAA accident report · Hiller UH-12E · Raymond, WA · November 29, 1989

FAA Aviation Safety Information Portal

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Date
November 29, 1989 · 15:30 local
Place
Raymond, WA
Phase of flight
Pwr Off Vert Land/Autorotate
Operating rules
Rotorcraft external load (Part 133)
Damage
Substantial damage
Aircraft
N9762C
NTSB investigation
NTSBSEA90LA025
Reported as
Hiller UH12E
Reported engine
Allison 250C20B
People aboard
1
Fatal injuries
0
Pilot’s flight hours
3,293 total68 in this make and model68 in the last 90 days
N9762CRegistered now · Hiller UH-12ES/N 2159 · Built 1962Airframe modelHiller UH-12EEngine modelAllison 250 seriesTurbo-prop

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Engine failed during sling load. Jettisoned load. Autorotated. Rolled over. Impeller blades separated from fatigue.

As the FAA filed it

ENGINE FAILED DURING SLING LOAD. JETTISONED LOAD. AUTOROTATED. ROLLED OVER. IMPELLER BLADES SEPARATED FROM FATIGUE.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB SEA90LA025Accident · No injuriesLimited investigationFinal reportRaymond, WALoss of engine power due to fatigue failure of the impeller. The helicopter was substantially damaged as a result of a roll-over on uneven terrain.Nov 29, 1989 · Substantial damage

Other reports on N9762C · 2

Matched to the same aircraft by N-number and date.

Accident 20000420023539AAutorot Descent (Rotorcraft) · Stonesboro, SC(-4) On April 20, 2000, at 1015 eastern daylight time, a Hiller UH-12 helicopter, collided with trees while attempting an autorotation near Stonesboro, south carolina. The aerial application flight was operated by the pilot under the provisions of title 14…Apr 20, 2000 · Substantial damageAccident 19780722043039AHovering · Livengood, AKLoss of cyclic control for undetermined reason. Collided with tree ring uncontrolled r/h turns.Jul 22, 1978 · Substantial damage