# NTSB MIA72IM097: Convair 640, N3407, San Juan, PR, March 23, 1972

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: March 23, 1972
- 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: 54 uninjured
- Status: Completed, report April 9, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 166780
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA72IM097
- Page: https://openairdocs.org/ntsb/MIA72IM097

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0046  72/3/23    SAN JUAN,PR         CONVAIR 640         CR-  0  0  3  SCHED INTERNATL PASSG SRV AIRLINE TRANSPORT, AGE
        TIME - 1830                    N3407               PX-  0  0 51                            45, 7518 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            1122 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT -  SAN JUAN INTL
        OPERATOR - CARIBBEAN-ATLANTIC AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          ST THOMAS,VI                SAN JUAN,PR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: ON GROUND                              LANDING: LEVEL OFF/TOUCHDOWN
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NOSEWHEEL STEERING
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
        REMARKS- METAL CHIPS FOUND IN HYD FLUID.
```

## Aircraft

- Registration: [N3407](https://openairdocs.org/deregistered/N3407-2013-08-23), registration cancelled 2013-08-23, S/N 20, built 1952 (OpenAirDocs)
- Reported make and model: CONVAIR 640
- 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: turbo prop
- Damage: Minor damage
- Airport:  San Juan Intl

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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