# NTSB MIA65A0109: Convair CV-340, N3412, Ponce, PR, April 27, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 27, 1965
- Place: Ponce, PR · PONCE, PR
- Location: 17.9997° N, 66.6237° W: Placed by OpenAirDocs: center of Ponce, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=17.9997&lon=-66.6237&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 46 uninjured
- Status: Completed, report October 8, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179740
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA65A0109
- Page: https://openairdocs.org/ntsb/MIA65A0109

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0029  65/4/27    PONCE PR            CONVAIR CV-340      CR-  0  0  4  SCHED INTERNATL PASSG SRV AIRLINE TRANSPORT, AGE
        TIME - 1636                    N3412               PX-  0  0 42                            39, 9580 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2016 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PONCE MUNICIPAL
        OPERATOR - CARIBBEAN-ATLANTIC AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: LEVEL OFF/TOUCHDOWN
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
```

## Aircraft

- Registration: [N3412](https://openairdocs.org/deregistered/N3412-2012-08-09), registration cancelled 2012-08-09, S/N 32, built 1952 (OpenAirDocs)
- Reported make and model: CONVAIR CV-340
- Registry model: [Convair 640-340D](https://openairdocs.org/model/convair-640-340d) (registry code 2422814) (OpenAirDocs)
- Registry engine: [Rolls-Royce DART-542 series](https://openairdocs.org/engine/rolls-royce-dart-542-series) (registry code 54522, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ponce Municipal

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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