# NTSB SEA87LA054: Robinson R22, N9076Y, Brinnon, WA, February 8, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 8, 1987, 14:30 local (22:30 UTC)
- Place: Brinnon, WA
- Coordinates: 47.689289, -122.989608 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.6893&lon=-122.9896&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 21, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40590
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA054
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40590/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA054

## Sequence of events

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

- Undershoot, landing
  - planned approach - misjudged, pilot in command (cause)
  - total, pilot in command (contributing factor)
  - terrain condition - rough/uneven (contributing factor)
  - weather condition - tailwind (contributing factor)
  - pressure induced by others, other person (contributing factor)
- Hard landing, landing - flare/touchdown
  - terrain condition - uphill (contributing factor)

## Analysis

WHEN PSGR BECAME NAUSEOUS IN FLT, PLT ATTEMPTED DOWNWIND LNDG ONTO PINNACLE IN ROUGH TERRAIN. ACFT CONTACTED SLOPE SHORT OF INTENDED POINT OF LNDG, MAIN ROTOR FLEXED DOWNWARD, SEVERING TAIL BOOM.

## Aircraft

- Registration: [N9076Y](https://openairdocs.org/deregistered/N9076Y-1990-07-09), registration cancelled 1990-07-09, S/N 0275 (OpenAirDocs)
- Reported make and model: ROBINSON R22
- Registry model: [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22) (registry code 7640102) (OpenAirDocs)
- Category: Helicopter
- Serial number: 0275
- Airframe hours: 3913
- Engines: LYCOMING O-320-B2C 124 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Classic Helicopter Corporation
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, February 4, 1987, 16 hours before
- Departed: BFI, SEATTLE, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; private; medical: class 2, valid medical--w/ waivers/lim; seat: right; flight hours: 128 total, 128 in this make and model, 99 as pilot in command, 99 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 160° at 15 knots
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 54 °F, dew point 45 °F
- Altimeter: 29.00 inHg

## 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 19870208002399A](https://openairdocs.org/incident/19870208002399A), Feb 8, 1987: Robsin R22, Brinnon, WA, Substantial damage. The helicopter struck a ridge during a precautionary landing. Pilot was approaching downwind with low rotor speed.

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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