# NTSB DEN83FTI04: Cessna 152, N5112Q, Hamilton, MT, May 23, 1983

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Final report
- Date: May 22, 1983, 19:00 local (May 23, 1983, 01:00 UTC)
- Place: Hamilton, MT
- Coordinates: 46.160621, -114.140251 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.1606&lon=-114.1403&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16019
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN83FTI04
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16019/pdf
- Page: https://openairdocs.org/ntsb/DEN83FTI04

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - terrain condition - mountainous/hilly (contributing factor)
  - terrain condition - uphill (contributing factor)
  - in-flight planning/decision - improper, pilot in command (cause)
  - lack of recent experience, pilot in command (cause)
  - object - tree(s) (contributing factor)
  - altitude - not maintained, pilot in command (cause)
  - stall - uncontrolled, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE ACFT WAS FLYING UPHILL AT LOW ALT WHEN IT STRUCK THE TOP OF 4 TREES AND IMPACTED THE GROUND ABOUT 40 YARDS AWAY INVERTED WITH POWER ON AT LOW AIRSPEED. THE ELEVATION AT THE CRASH SITE WAS ABOUT 6000 FT MSL WITH THE TOPS OF THE TERRAIN IN THE DIRECTION OF FLT ABOUT 7000 FT MSL. THE CANYON AT THIS POINT WAS VERY NARROW WITH A STEEP INCLINE FORWARD AND ON BOTH SIDES. THE RIGHT WING FLAP WAS FOUND ALMOST IN THE FULL DOWN POSITION.

## Aircraft

- Registration: [N5112Q](https://openairdocs.org/deregistered/N5112Q-2013-03-25), registration cancelled 2013-03-25, S/N 15285076, built 1981 (OpenAirDocs)
- Reported make and model: CESSNA 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 15285076
- Airframe hours: 992
- Engines: LYCOMING O-235 110 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Operator: Hamilton Aviation
- Registered owner: Mr. Drake, Maki And Roberts
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, March 25, 1983, 70 hours before
- Departed: 6S5, HAMILTON, MT
- Airport: 6S5

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 19; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 59 total, 35 in this make and model, 34 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 260° at 10 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 73 °F, dew point 39 °F
- Altimeter: 30.00 inHg
- Observed at: MSO, 50 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 19830522020629A](https://openairdocs.org/incident/19830522020629A), May 22, 1983: Cessna 152, Hamilton, MT, Destroyed, 1 fatal. Crashed into trees on rising terrain in a narrow canyon. Was flying uphill at a low altitude.

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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