# NTSB ANC86LA084: Cessna 180, N2393C, Fairbanks, AK, June 19, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 19, 1986, 14:57 local (22:57 UTC)
- Place: Fairbanks, AK
- Coordinates: 64.809211, -147.719268 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=64.8092&lon=-147.7193&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4682
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA084
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4682/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA084

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, takeoff - initial climb
  - fluid,fuel - starvation
  - fuel system,selector/valve - improper (cause)
  - maintenance,installation - inaccurate, other maintenance personnel (cause)
- Forced landing, descent - emergency
- Nose over, landing - flare/touchdown

## Analysis

THE PLT REPORTED THAT A LOUD BANG WAS HEARD AT AN ALT OF ABOUT 25 FT AGL SHORTLY AFTER TAKEOFF. THE ACFT SETTLED TO THE RWY AND PWR WAS REGAINED. THE ACFT THEN VEERED OFF THE LEFT SIDE OF THE RWY AND NOSED OVER. POST ACCIDENT INSPECTION REVEALED MAINTENANCE PERSONNEL WHO OVERHAULED THE FUEL SELECTOR VALVE TO REMEDY A LEAK REASSEMBLED THE UNIT INCORRECTLY. THE OWNER AND PILOT DID NOT INSIST ON THE VALVE PROBLEM BEING REMEDIED.

## Aircraft

- Registration: [N2393C](https://openairdocs.org/aircraft/N2393C), registered now, S/N 30693, built 1954 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs)
- Registry engine: [Continental O-470R](https://openairdocs.org/engine/continental-o-470r) (registry code 17071, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 30693
- Engines: CONTINENTAL O-470-L 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Juan Paul Robertson
- Registered owner: Kathryn R. Congdon
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 16, 1985, 10 hours before
- Departed: FAI, FAIRBANKS, AK
- Destination: FAI, FAIRBANKS, AK
- Airport: FAI, Fairbanks, runway 19L, 3,600 × 50 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 65 total, 5 in this make and model, 37 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 7 knots
- Visibility: 60 statute miles
- Lowest ceiling: none
- Temperature: 72 °F, dew point 46 °F
- Altimeter: 29.00 inHg
- Observed at: FAI, 4 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 19860619026669A](https://openairdocs.org/incident/19860619026669A), Jun 19, 1986: Cessna 180, Fairbanks, AK, Substantial damage. Engine failed during takeoff and aircraft flipped on landing. Fuel selector found inproperly installed and marked.

## Other investigations on N2393C (2)

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 ANC79DAA32](https://openairdocs.org/ntsb/ANC79DAA32), Aug 13, 1979: Cessna 180 (N2393C), Fairbanks, AK, substantial damage
- [NTSB DEN72DTM12](https://openairdocs.org/ntsb/DEN72DTM12), Mar 18, 1972: Cessna 180 (N2393C), Ibapah, UT, 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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