# NTSB MIA65F0035: Beechcraft C45H, N494DM, San Juan, PR, March 26, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 26, 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: 1 uninjured
- Status: Completed, report June 17, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 178823
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA65F0035
- Page: https://openairdocs.org/ntsb/MIA65F0035

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0903  65/3/26    SAN JUAN PR         BEECHCRAFT C45H     CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 2450
        TIME - 1645                    N494DM              PX-  0  0  0  AIR TAXI-PASSG            TOTAL HOURS, 240 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ISLA GRANDE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
          LDG GR-OVERLOAD FAILURE OF MOTOR SUPPORT BRACKET.
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        REMARKS- GEAR MOTOR CLUTCH PRELOAD SET TOO HIGH.
```

## Aircraft

- Registration: [N494DM](https://openairdocs.org/deregistered/N494DM-2016-08-08), registration cancelled 2016-08-08, S/N AF-488, built 1952 (OpenAirDocs)
- Reported make and model: BEECHCRAFT C45H
- Registry model: [Beech C-45H](https://openairdocs.org/model/beech-c-45h) (registry code 1151018) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Isla Grande

## Other investigations on N494DM (1)

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.

- [NTSB MIA66F0058](https://openairdocs.org/ntsb/MIA66F0058), Jun 30, 1965: Beechcraft C45H (N494DM), San Juan, PR, 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.

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