# NTSB MIA81IA058: Dehavilland DH-114, N583PR, St Thomas, VI, March 27, 1981

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Closed
- Date: March 27, 1981
- Place: St Thomas, VI · ST THOMAS, VI
- Location: 18.3533° N, 64.9365° W: Placed by OpenAirDocs: center of Saint Thomas, VI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.3533&lon=-64.9365&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 17 uninjured
- Status: Completed, report April 14, 1980
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79643
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA81IA058
- Page: https://openairdocs.org/ntsb/MIA81IA058

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0012  81/3/27  NR.ST THOMAS,VI       DEHAVILLAND DH-114  CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1210                    N583PR              PX-  0  0 16  COMMUTER AIR CARRIER      26, 6672 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0  AIR TAXI-PASSG S-D        5629 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        DEPARTURE POINT             INTENDED DESTINATION
          SAN JUAN,PR                ST THOMAS,VI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADE RETENTION MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- AN-282 BOLT SEPD FM HARTZELL EHC-A3VF-2B/7336N PROP BLADE CLAMP,HIT PAX.BOLT NOT COLD ROLLED.
```

## Aircraft

- Registration: [N583PR](https://openairdocs.org/deregistered/N583PR-2013-04-23), registration cancelled 2013-04-23, S/N 14134, built 1959 (OpenAirDocs)
- Reported make and model: DEHAVILLAND DH-114
- Registry model: [Dehavilland DH 114 HERON 2X](https://openairdocs.org/model/dehavilland-dh-114-heron-2x) (registry code 2800508) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19810327045499I](https://openairdocs.org/incident/19810327045499I), Mar 27, 1981: Hwksly DH1142X, St Thomas, U.S. Virgin Islands. Blade clamp bolt separated from number 2 prop and piece of bolt penetrated window and struck passenger on the head.

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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