# NTSB SEA90FA036: Piper PA-18, N7216K, Longmire, WA, January 20, 1990

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: January 20, 1990, 15:45 local (23:45 UTC)
- Place: Longmire, WA
- Location: 46.7498° N, 121.8126° W: Placed by OpenAirDocs: center of Longmire, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.7498&lon=-121.8126&mi=10
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report December 15, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 41097
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA90FA036
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41097/pdf
- Page: https://openairdocs.org/ntsb/SEA90FA036

## Probable cause

UNDETERMINED.

## Sequence of events

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

- In flight collision with terrain/water, unknown
  - reason for occurrence undetermined (cause)

## Analysis

THE ACFT IMPACTED IN A VOLCANIC CRATER AT 14,200 FT MSL ON MT RAINIER, WHILE THE PLT WAS ON A SIGHT-SEEING FLIGHT. THERE WAS NO RADIO COMMUNICATION, RADAR TRACK, OR WITNESSES TO THE ACCIDENT. LACK OF ACCESS PRECLUDED EXAMINATION OF THE ACCIDENT SITE AND ACFT WRECKAGE.

## Aircraft

- Registration: [N7216K](https://openairdocs.org/deregistered/N7216K-1994-03-04), registration cancelled 1994-03-04, S/N 18107 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-105 SPECIAL](https://openairdocs.org/model/piper-pa-18-105-special) (registry code 7101808) (OpenAirDocs)
- Category: Airplane
- Serial number: 18-107
- Engines: LYCOMING O-235-C1 115 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Ronald Mcdonald
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Departed: 1SO, PUYALLUP, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; commercial; airplane ratings: single-engine land; medical: class 2, expired; seat: front; toxicology performed; flight hours: 1,200 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 48 °F, dew point 30 °F
- Altimeter: 30.00 inHg
- Observed at: TCM, 34 nm away

## 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 19900120000759A](https://openairdocs.org/incident/19900120000759A), Jan 20, 1990: Piper PA18105SPEC, Longmire, WA, Destroyed, 2 fatal. Crashed into a glacier in crater on top of mt ranier. Was near service ceiling and gross weight.

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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