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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

July 9, 1988 · Hughes 369D · N1089D

Kitoi Bay, AK

Overview

Report Status
Preliminary report
Event Type
Accident
Date
July 9, 1988
Injury Outcomes
No injuries (2 uninjured)
Location
Kitoi Bay, AK
Aircraft
Hughes 369D
Tail Number
N1089D
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC88LA086

THE HELICOPTER LANDED WITH THE LEFT SKID AGAINST A SURVEY STAKE WHICH PROTRUDED FROM THE GROUND ABOUT 6 INCHES. UPON LIFTOFF THE SKID DID NOT CLEAR THE METAL STAKE BEFORE THE HELICOPTER STARTED MOVING LATERALLY TO THE LEFT. THE LEFT SKID REMAINED AGAINST THE METAL STAKE AND THE HELICOPTER ROLLED OVER ON TO ITS LEFT SIDE. THE PILOT STATED LATER THAT THE LATERAL TRIM MOTOR HAD FAILED REQUIRING 35 POUNDS OF PRESSURE TO THE RIGHT AGAINST THE CYCLIC WHILE AT A HOVER.

Full Narrative

THE HELICOPTER LANDED WITH THE LEFT SKID AGAINST A SURVEY STAKE WHICH PROTRUDED FROM THE GROUND ABOUT 6 INCHES. UPON LIFTOFF THE SKID DID NOT CLEAR THE METAL STAKE BEFORE THE HELICOPTER STARTED MOVING LATERALLY TO THE LEFT. THE LEFT SKID REMAINED AGAINST THE METAL STAKE AND THE HELICOPTER ROLLED OVER ON TO ITS LEFT SIDE. THE PILOT STATED LATER THAT THE LATERAL TRIM MOTOR HAD FAILED REQUIRING 35 POUNDS OF PRESSURE TO THE RIGHT AGAINST THE CYCLIC WHILE AT A HOVER.

Flight

Event TypeAccident
Event Time20:35 AKDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledCvfr
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftHughes 369D
Tail NumberN1089D
Aircraft CategoryHeli
DamageSubstantial
Operating RulePart 135
Engines1
Engine TypeTurboshaft
Engine DetailsAllison · 250-C20B · Turboshaft · 420
Seats2

People & Injuries

Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 35 · First Class

Conditions

ConditionsVMC
LightDaylight
Wind130° @ 6 kt
Visibility15 sm
CeilingOvercast 10000 ft
Temperature / Dew Point52 / 48
Altimeter30.00 inHg
Observation Time23:49
Weather SourceWFAC

Appendix: Source Data