# NTSB SEA82FYM23: Hughes 369HS, N56AD, Troutdale, OR, August 21, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: August 21, 1982, 13:30 local (20:30 UTC)
- Place: Troutdale, OR
- Location: 45.5392° N, 122.3927° W: Placed by OpenAirDocs: center of Troutdale, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5392&lon=-122.3927&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 21, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72861
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA82FYM23
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72861/pdf
- Page: https://openairdocs.org/ntsb/SEA82FYM23

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, approach
  - fluid,fuel - exhaustion (cause)
  - fuel supply - misjudged, pilot in command (cause)
- Forced landing, approach
  - autorotation - performed, pilot in command (contributing factor)
- Hard landing, landing - flare/touchdown
  - altitude - misjudged, pilot in command (cause)
  - distance - misjudged, pilot in command (cause)
- Other gear collapsed, landing - flare/touchdown
  - landing gear,skid assembly - overload
  - landing gear,skid assembly - failure,total
- Roll over, landing - flare/touchdown

## Analysis

THE FLT ORIGINATED AT THE PLT'S RESIDENCE 20 MI SOUTH OF THE TROUTDALE ARPT. THE PLT STATED THE PURPOSE OF THE FLT WAS TO REFUEL THE ACFT SINCE HE FIGURED HE HAD ABOUT 8 GALS OF FUEL ON DEPARTURE. AS THE ACFT APPROACHED THE GROUND AT ABOUT 50 FT AGL THE PLT EXECUTED WHAT APPEARED TO BE THE FLARE MANEUVER AT THE BOTTOM OF AN AUTOROTATION. THE ACFT THEN SUDDENLY FELL VERTICALLY TO THE GROUND, BOUNCED ABOUT 10-15 FT, THEN FELL BACK TO THE GROUND & ROLLED OVER ON ITS RIGHT SIDE. NO FUEL WAS ON BOARD.

## Aircraft

- Registration: N56AD (not matched to a registry record)
- Reported make and model: HUGHES 369HS
- Category: Helicopter
- Serial number: 54060S
- Airframe hours: 1298
- Engines: ALLISON 250-C18 400 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Rem. Service Inc.
- Registered owner: Rem. Service Inc.
- Departed: DAMACUS, OR
- Destination: DAMACUS, OR
- Airport: Troutdale

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; commercial; medical: class 1, valid medical--no waivers/lim.; flight hours: 750 total, 160 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 50 statute miles

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19820821039969A](https://openairdocs.org/incident/19820821039969A), Aug 21, 1982: Hughes 369HS, Troutdale, OR, Substantial damage. Helicopter crashed during landing, no fuel was found in tanks or in fuel lines.

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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