# NTSB MIA81DKT77: Cessna 172M, N9109H, Key West, FL, June 12, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 12, 1981
- Place: Key West, FL · 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 27, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125619
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA81DKT77
- Page: https://openairdocs.org/ntsb/MIA81DKT77

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1237  81/6/12  NR.KEY WEST,FL        CESSNA 172M         CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 19, 88 TOTAL
        TIME - 0948                    N9109H              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 39 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          VENICE,FL                  KEY WEST,FL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           DITCHING                                                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           SYSTEMS - ELECTRICAL SYSTEM: GENERATORS/ALTERNATORS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - ELECTRICAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- ENCTRD ELEC FAILURE,FUEL GAUGES MOVED TWD EMPTY.PRCTNRY DITCHING NR BOATS W ENG OPERG NORMALLY.
```

## Aircraft

- Registration: [N9109H](https://openairdocs.org/aircraft/N9109H), registered now, S/N 17265950, built 1975 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.