# NTSB MIA66F0151: Beechcraft C-45H, N496DM, Mercedita, PR, July 1, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 1, 1965
- Place: Mercedita, PR · MERCEDITA, PR
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed, report September 21, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 176530
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA66F0151
- Page: https://openairdocs.org/ntsb/MIA66F0151-176530

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2244   65/7/1    MERCEDITA PR        BEECHCRAFT C-45H    CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 0915                    N496DM              PX-  0  0  5  AIR TAXI-PASSG            53, 20700 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            5400 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MERCEDITA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
        FACTOR(S)
           WEATHER - RAIN
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  2000
        VISIBILITY AT ACCIDENT SITE                              OBSTRUCTIONS TO VISION AT ACCIDENT SITE
          3 MILES OR LESS                                          NONE
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           74                                                       10
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           10                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N496DM](https://openairdocs.org/aircraft/N496DM), registered now, S/N AF-298 (OpenAirDocs)
- Reported make and model: BEECHCRAFT C-45H
- Registry model: [Beech C-45G](https://openairdocs.org/model/beech-c-45g) (registry code 1151014) (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: Mercedita

## Other investigations on N496DM (2)

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 NYC70AN093](https://openairdocs.org/ntsb/NYC70AN093), Feb 27, 1970: Beech C-45G (N496DM), Fairhaven, VT, substantial damage
- [NTSB MIA66F0221](https://openairdocs.org/ntsb/MIA66F0221), Sep 21, 1965: Beechcraft Dumod (N496DM), 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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