# NTSB SEA85FA016: Cessna 172M, N1150T, Aberdeen, WA, September 16, 1984

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: September 16, 1984, 01:15 local (08:15 UTC)
- Place: Aberdeen, WA
- Coordinates: 46.880744, -123.990829 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.8807&lon=-123.9908&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40021
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85FA016
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40021/pdf
- Page: https://openairdocs.org/ntsb/SEA85FA016

## Sequence of events

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

- In flight encounter with weather, cruise
  - vfr flight into imc - inadvertent, pilot in command (cause)
  - light condition - dark night (contributing factor)
- Loss of control - in flight, maneuvering - turn to reverse direction
  - descent - uncontrolled, pilot in command (cause)
  - spatial disorientation, pilot in command (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

ACFT WRECKAGE INDICATES IMPACT WAS NOSE DOWN INVERTED. NO EVIDENCE WAS FOUND OF ACFT FAILURE/MALFUNCTION. PLT DEPARTED ON NIGHT CROSS-COUNTRY AFTER AN EVENING OUT WITH FRIENDS. WRECKAGE FOUND TWO MONTHS LATER, NO TOXICOLOGICAL TESTS POSSIBLE.

## Aircraft

- Registration: [N1150T](https://openairdocs.org/deregistered/N1150T-2013-03-26), registration cancelled 2013-03-26, S/N 17266082, built 1975 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17266082
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Alan Byron Jordan
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Departed: 1SO, TACOMA, WA
- Destination: HQM, HOQUIAM, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; student; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 1,400 total

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: 1,000 ft overcast
- Temperature: 61 °F, dew point 57 °F
- Altimeter: 30.00 inHg
- Observed at: HQM, 9 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 19840916075599A](https://openairdocs.org/incident/19840916075599A), Sep 16, 1984: Cessna 172M, Aberdeen, WA, Destroyed. Impacted trees and terrain in uncontrolled night descent. Student not under supervision of instructor.

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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