# NTSB SEA90TL#03: Bell UH-1B, N99634, Yakima, WA, June 21, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 3 · Final report
- Date: June 21, 1990, 05:30 local (12:30 UTC)
- Place: Yakima, WA
- Coordinates: 46.620086, -120.689659 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.6201&lon=-120.6897&mi=10
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Investigation class: Class 3
- NTSB case key (mKey): 41292
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA90TL#03
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41292/pdf
- Page: https://openairdocs.org/ntsb/SEA90TL%2303

## Aircraft

- Registration: [N99634](https://openairdocs.org/deregistered/N99634-2013-05-31), registration cancelled 2013-05-31, S/N 63-8646 (OpenAirDocs)
- Reported make and model: BELL UH-1B
- Registry model: [Bell UH-1B](https://openairdocs.org/model/bell-uh-1b) (registry code 1181410) (OpenAirDocs)
- Registry engine: [Lycoming T-53 series](https://openairdocs.org/engine/lycoming-t-53-series) (registry code 41549, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 63-8646
- Damage: Substantial damage
- Fire: Unknown
- Flight: Public aircraft, Public use
- Operator: Usda Forest Service
- Registered owner: P.J. Helicopters

## Weather

- Conditions: Visual (VMC), Day

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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