# NTSB SEA87LA143: Cessna 170B, N3063A, Coeur D'Alene, ID, July 21, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 21, 1987, 07:00 local (14:00 UTC)
- Place: Coeur D'Alene, ID
- Coordinates: 47.590244, -116.910926 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.5902&lon=-116.9109&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 7, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40661
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA143
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40661/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA143

## Sequence of events

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

- Loss of engine power(partial) - nonmechanical, climb
  - reason for occurrence undetermined (cause)
- Forced landing, landing
- On ground/water collision with object, landing - roll
  - object - other
- Nose over, landing - roll

## Analysis

ON INITIAL CLIMB A PARTIAL LOSS OF POWER OCCURRED AND THE PILOT MADE A FORCED LANDING IN A WHEAT FIELD. DURING LANDING ROLL THE AIRCRAFT'S LEFT MAIN GEAR STRUCK AN IRRIGATION PIPE AND THE AIRCRAFT NOSED OVER INVERTED. NO EVIDENCE OF A PREIMPACT MECHANICAL FAILURE/MALFUNCTION WAS FOUND.

## Aircraft

- Registration: [N3063A](https://openairdocs.org/aircraft/N3063A), registered now, S/N 25707, built 1953 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 25707
- Airframe hours: 2500
- Engines: CONTINENTAL C-145-2 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Hern Ironworks, Inc.
- Registered owner: Hern Ironworks, Inc.
- Airworthiness certificate: Standard, Normal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 42; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 330 total, 330 in this make and model, 296 as pilot in command, 11 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 340° at 19 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 59 °F, dew point 55 °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 19870721081319A](https://openairdocs.org/incident/19870721081319A), Jul 21, 1987: Cessna 170B, Coeru D Alene, ID, Substantial damage. Lost power on climbout. Struck a irrigation pipe on forced landing and nosed over. Pilot blames carburetor icing.

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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