# NTSB MIA66F0321: Beechcraft C-45H, N493DM, San Juan, PR, November 12, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 12, 1965
- Place: San Juan, PR · SAN JUAN, PR
- Location: 18.4663° N, 66.1057° W: Placed by OpenAirDocs: center of San Juan, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.4663&lon=-66.1057&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report December 29, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 174583
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA66F0321
- Page: https://openairdocs.org/ntsb/MIA66F0321

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3340  65/11/12   SAN JUAN PR         BEECHCRAFT C-45H    CR-  0  0  1  MISCELLANEOUS             AIRLINE TRANSPORT, AGE
        TIME - 1058                    N493DM              PX-  0  0  2  FERRY                     43, 12015 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2300 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ISLA GRANDE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - FUSELAGE: BULKHEADS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
        REMARKS- RIGHT AND LEFT FLANGES OF BULKHEAD P/N 248 CRACKED ALLOWING NOSE GEAR DRAG LEG TO RETRACT.
```

## Aircraft

- Registration: N493DM (not matched to a registry record)
- Reported make and model: BEECHCRAFT C-45H
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Isla Grande

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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