# NTSB SEA85LA117: Cessna 172M, N13403, Couer D'Alene, ID, May 17, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 17, 1985, 14:10 local (20:10 UTC)
- Place: Couer D'Alene, ID
- Coordinates: 47.589996, -116.910774 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.5900&lon=-116.9108&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40161
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85LA117
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40161/pdf
- Page: https://openairdocs.org/ntsb/SEA85LA117

## Sequence of events

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

- Loss of engine power, approach - vfr pattern - base turn
  - reason for occurrence undetermined (cause)
- Forced landing, landing
- Nose over, landing - roll
  - terrain condition - soft (contributing factor)

## Analysis

THE ENG LOST POWER AFTER CARB HEAT WAS APPLIED & THE THROTTLE WAS RETARDED ON BASE LEG. SUBSEQUENTLY, THE ACFT NOSED OVER DURING A FORCED LANDING ON FRESHLY PLOWED GROUND SHORT OF THE RWY. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND DURING THE INVESTIGATION. THE ENG OPERATED NORMALLY DURING AN OPERATIONAL CHECK AFTER THE ACCIDENT.

## Aircraft

- Registration: [N13403](https://openairdocs.org/deregistered/N13403-2007-12-14), registration cancelled 2007-12-14, S/N 17262732 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Category: Airplane
- Serial number: 17262732
- Airframe hours: 3766
- Engines: LYCOMING O-325-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: St. Maries C.A.P. Aero Club
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: Annual, October 26, 1984, 32 hours before
- Departed: S72, ST. MARIES, ID
- Destination: COE
- Airport: COE, Coeur D'Alene Air Term., runway 1, 3,400 × 74 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 67 total, 67 in this make and model, 36 as pilot in command, 2 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 340° at 8 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 75 °F
- Altimeter: 29.00 inHg
- Observed at: COE

## 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 19850517043789A](https://openairdocs.org/incident/19850517043789A), May 17, 1985: Cessna 172M, Couer D Alene, ID, Substantial damage. The engine failed on base leg and the aircraft landed in aplowed field. Cause of failure is undetermined.

## Other investigations on N13403 (1)

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.

- [NTSB SEA78DYP45](https://openairdocs.org/ntsb/SEA78DYP45), Jul 24, 1978: Cessna 172 (N13403), St.Maries, ID, substantial damage

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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