# NTSB SEA83FA029: Cessna 172A, N9846T, Renton, WA, December 11, 1982

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Field investigation · Final report
- Date: December 11, 1982, 13:59 local (21:59 UTC)
- Place: Renton, WA
- Coordinates: 47.460998, -122.210975 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.4610&lon=-122.2110&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report December 11, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72375
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83FA029
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72375/pdf
- Page: https://openairdocs.org/ntsb/SEA83FA029

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, takeoff - initial climb
  - fluid,fuel - water (cause)
  - aircraft preflight - inadequate, pilot in command (cause)
- Forced landing, maneuvering - turn to landing area (emergency)
- In flight collision with object, maneuvering - turn to landing area (emergency)
  - altitude - inadequate, pilot in command (cause)
  - emergency procedure - improper, pilot in command (cause)

## Analysis

THE ENG LOST POWER DURING TAKEOFF AT ABOUT 200 FT AGL. THE ACFT THEN EXECUTED A LEFT DESCENDING 180 DEG TURN & CRASHED ON THE FLIGHTLINE OF AN ACFT COMPANY. INVESTIGATION REVEALED THAT THE FUEL FILTER BOWL CONTAINED ABOUT 1/2 FUEL & 1/2 WATER, AND THE CARBURETOR CONTAINED WATER ONLY.

## Aircraft

- Registration: [N9846T](https://openairdocs.org/deregistered/N9846T-2013-03-21), registration cancelled 2013-03-21, S/N 47646, built 1960 (OpenAirDocs)
- Reported make and model: CESSNA 172A
- Registry model: [Cessna 172A](https://openairdocs.org/model/cessna-172a) (registry code 2072404) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 47646
- Airframe hours: 3391
- Engines: CONTINENTAL O-300-D 145 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Operator: Robert A. Barth
- Registered owner: Robert A. Barth
- Departed: RNT, RENTON, WA
- Destination: RNT, RENTON, WA
- Airport: RNT, Renton Municipal, runway 15, 5,480 × 200 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; private; airplane ratings: single-engine land; medical: class 3; flight hours: 450 total, 422 in this make and model, 43 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 170° at 7 knots
- Visibility: 12 statute miles
- Lowest ceiling: 5,500 ft broken
- Temperature: 117 °F
- Altimeter: 30.00 inHg

## 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 19821211063719A](https://openairdocs.org/incident/19821211063719A), Dec 11, 1982: Cessna 172A, Renton, WA, Destroyed. Engine lost power on takeoff climb. Aircraft stalled and crashed on a hangar ramp. Water found in fuel.

## Other investigations on N9846T (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 DIA67D0063](https://openairdocs.org/ntsb/DIA67D0063), Mar 4, 1967: Cessna 172 (N9846T), Bacova, VA, 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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