# NTSB MIA73DLD73: Beech J50, N391H, Lakeland, FL, April 22, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 22, 1973
- Place: Lakeland, FL · LAKELAND, FL
- Location: 28.0395° N, 81.9498° W: Placed by OpenAirDocs: center of Lakeland, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.0395&lon=-81.9498&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 13, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 173553
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA73DLD73
- Page: https://openairdocs.org/ntsb/MIA73DLD73

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1718  73/4/22    LAKELAND,FLA        BEECH J50           CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1730                    N391H               PX-  0  0  0  BUSINESS                  49, 15000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            5000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LAKELAND MUN
        DEPARTURE POINT             INTENDED DESTINATION
          FORT LAUDERDALE,FLA         PANAMA CITY,FLA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - ELECTRICAL FAILURE
           SYSTEMS - ELECTRICAL SYSTEM: REGULATOR
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
                                  APPROACHING DARKNESS
        REMARKS- PLT DETECTED LOSS OF ELEC PWR SWITCHED TO ALT REG SYS DID NOT COME BACK.GR EXTDD MANUALLY.
```

## Aircraft

- Registration: [N391H](https://openairdocs.org/aircraft/N391H), registered now, S/N JH-164, built 1962 (OpenAirDocs)
- Reported make and model: BEECH J50
- Registry model: [Beech J50](https://openairdocs.org/model/beech-j50) (registry code 1152536) (OpenAirDocs)
- Registry engine: [Lycoming GSO&IGSO-480 series](https://openairdocs.org/engine/lycoming-gso-igso-480-series) (registry code 41529, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lakeland Mun

## 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 19730422013799A](https://openairdocs.org/incident/19730422013799A), Apr 22, 1973: Beech J50, Lakeland, FL, Substantial damage. Plt detected loss of elec pwr switched to alt reg sys did not come back. Gr extdd manually.

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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