# NTSB ANC90LA057: Hiller FH-1100, N703H, Bethel, AK, April 16, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 15, 1990, 16:37 local (Apr 16, 1990, 00:37 UTC)
- Place: Bethel, AK
- Coordinates: 60.810691, -161.850433 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=60.8107&lon=-161.8504&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 21, 1992
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5353
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC90LA057
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5353/pdf
- Page: https://openairdocs.org/ntsb/ANC90LA057

## Probable cause

PILOT-IN-COMMAND'S FAILURE TO MAINTAIN CONTROL OF THE HELICOPTER DURING TOUCHDOWN.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - on ground/water, landing - flare/touchdown
  - aircraft control - improper, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
- Roll over, landing - flare/touchdown

## Analysis

DURING TOUCHDOWN ON THE RAMP, THE PILOT LOST CONTROL OF THE HELICOPTER. THE HELICOPTER ROLLED OVER ON ITS SIDE, THE PILOT WAS NOT INJURED, AND THE HELICOPTER WAS SUBSTANTIALLY DAMAGED. EXAMINATION OF THE HELICOPTER REVEALED THE RIGHT TORISION BAR HAD COLLAPSED.

## Aircraft

- Registration: N703H (not matched to a registry record)
- Reported make and model: HILLER FH-1100
- Category: Helicopter
- Serial number: 28
- Airframe hours: 4152
- Engines: ALLISON 250-C18 274 horsepower turbo shaft
- Damage: Substantial damage
- Fire: Unknown
- Flight: Personal, Part 91
- Registered owner: Harry Faulker
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, December 20, 1989, 6 hours before
- Airport: BET, Bethel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 62; commercial; airplane ratings: multi-engine land, single-engine land, multi-engine sea, single-engine sea; medical: class 2, valid medical--w/ waivers/lim; flight hours: 16,000 total, 10 in this make and model, 15,000 as pilot in command, 20 in the last 90 days, 4 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 340° at 5 knots
- Visibility: 100 statute miles
- Lowest ceiling: none
- Temperature: 46 °F, dew point 39 °F
- Altimeter: 29.00 inHg

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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