# NTSB MIA84LA118: Cessna 310C, N12T, Key West, FL, March 19, 1984

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: March 19, 1984, 14:53 local (19:53 UTC)
- Place: Key West, FL
- Location: 24.5651° N, 81.7755° W: Placed by OpenAirDocs: center of Key West, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=24.5651&lon=-81.7755&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 31104
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA84LA118
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/31104/pdf
- Page: https://openairdocs.org/ntsb/MIA84LA118

## Sequence of events

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

- Loss of engine power, cruise - normal
  - reason for occurrence undetermined (cause)
- Forced landing, landing
- Ditching, landing - flare/touchdown

## Analysis

WHILE EN ROUTE, THE PLT HAD SWITCHED FROM THE MAIN TANKS TO THE AUX TANKS, THEN BACK TO THE MAIN TANKS. ABOUT 10 MIN LATER, BOTH ENGS LOST POWER. HE WAS ABLE TO RESTART THE RIGHT ENG, BUT IT LOST POWER AGAIN. SUBSEQUENTLY, HE DITCHED THE ACFT AT SEA. BOTH OCCUPANTS WERE RESCUED BY A NAVY VESSEL, BUT THE ACFT SANK & WAS NOT RECOVERED.

## Aircraft

- Registration: [N12T](https://openairdocs.org/deregistered/N12T-2011-05-27), registration cancelled 2011-05-27, S/N 39025 (OpenAirDocs)
- Reported make and model: CESSNA 310C
- Registry model: [Cessna 310C](https://openairdocs.org/model/cessna-310c) (registry code 2074210) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 39025
- Airframe hours: 2750
- Engines: CONTINENTAL IO-470-D 260 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Warren T. Mount
- Airworthiness certificate: Standard, Normal
- Departed: MKCR, GRAND CAYMAN
- Destination: OPF, MIAMI, FL
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; private; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 3, expired; seat: left; flight hours: 547 as pilot in command, 42 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 13 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 64 °F

## 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 19840319005739A](https://openairdocs.org/incident/19840319005739A), Mar 19, 1984: Cessna 310C, Key West, FL, Destroyed. Both engines quit for unknown reasons. Aircraft was ditched in ocean.

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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