# NTSB CHI84LA001: Cessna 150, N8340M, Iron River, MI, October 1, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 1, 1983, 13:00 local (18:00 UTC)
- Place: Iron River, MI
- Coordinates: 45.819866, -88.060607 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.8199&lon=-88.0606&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12460
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84LA001
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12460/pdf
- Page: https://openairdocs.org/ntsb/CHI84LA001

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, cruise - normal
  - weather condition - carburetor icing conditions (contributing factor)
  - carburetor heat - improper use of, pilot in command (cause)
  - fuel system,carburetor - ice (cause)
- Forced landing, landing
- Nose over, landing - roll
  - terrain condition - rough/uneven (contributing factor)

## Analysis

THE PLT REPORTED THAT THE ENG LOST POWER DURING FLT DUE TO CARBURETOR ICE. HE APPLIED CARBURETOR HEAT, BUT THE ENG WOULD NOT RESTART. DURING A FORCED LANDING, THE ACFT ENCOUNTER ROUGH/UNEVEN TERRAIN & SUBSEQUENTLY NOSED OVER.

## Aircraft

- Registration: [N8340M](https://openairdocs.org/aircraft/N8340M), registered now, S/N A1500040, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna A150K](https://openairdocs.org/model/cessna-a150k) (registry code 2071824) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: A150-00040
- Airframe hours: 4900
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: David Grenfell
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 1, 1983
- Departed: IMT, IRON MOUNTAIN, MI

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 239 total, 239 in this make and model, 199 as pilot in command, 29 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 4 knots
- Visibility: 3 statute miles
- Lowest ceiling: 7,000 ft overcast
- Temperature: 68 °F
- Altimeter: 29.00 inHg
- Observed at: IMT, 12 nm away

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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