# NTSB MIA83LA077: Cessna C-182P, N9912M, Bahia Honda, FL, February 18, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 18, 1983, 12:10 local (17:10 UTC)
- Place: Bahia Honda, FL
- 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): 30847
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA83LA077
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30847/pdf
- Page: https://openairdocs.org/ntsb/MIA83LA077

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - engine assembly,cylinder - failure,partial (cause)
  - engine assembly,valve,intake - failure,partial (cause)
- Ditching, landing - flare/touchdown
  - terrain condition - water,rough (contributing factor)

## Analysis

THE ACRFT WAS DITCHED IN THE BAY OF FLORIDA AFTER THE ENGINE FAILED AT 1000 FT MSL. THE PILOT AND PASSENGER SWAM TO SHORE WITHOUT INJURY. EXAMINATION REVEALED THAT THE #1 CYL EXHAUST VALVE ROCKER SHAFT HOUSING FAILED. LAB EXAM OF THE HOUSING SHOWED HIGH CYCLE LOW STRESS OVERLOAD FATIGUE.

## Aircraft

- Registration: [N9912M](https://openairdocs.org/deregistered/N9912M-2011-09-26), registration cancelled 2011-09-26, S/N 18264808, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA C-182P
- Registry model: [Cessna 182P](https://openairdocs.org/model/cessna-182p) (registry code 2075816) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18264808
- Airframe hours: 1062
- Engines: CONTINENTAL O-470S 230 horsepower reciprocating
- Damage: Substantial damage
- Fire: Unknown
- Flight: Personal, Part 91
- Registered owner: Frank Taylor & Lumber & Dev.
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, January 22, 1983, 24 hours before
- Departed: EYW, KEY WEST, FL
- Destination: X43, KEY LARGO, FL

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; private; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 767 total, 315 in this make and model, 655 as pilot in command, 55 in the last 90 days, 2 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 10° at 13 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 66 °F, dew point 54 °F
- Altimeter: 30.00 inHg
- Observed at: EYW, 30 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 19830218004809A](https://openairdocs.org/incident/19830218004809A), Feb 18, 1983: Cessna 182P, Bahia Honda, FL, Substantial damage. Engine quit en route. Ditched near key west highway. Exhaust valve rocker shaft housing failed.

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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