# NTSB MIA76AM007: Dehavilland DH114, N570PR, San Juan, PR, July 11, 1975

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 11, 1975
- 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: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 10 uninjured
- Status: Completed, report May 27, 1976
- Safety recommendations: Yes
- NTSB case key (mKey): 79657
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA76AM007
- Board report AAR7613 (PDF): https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR7613.pdf
- Page: https://openairdocs.org/ntsb/MIA76AM007-79657

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1773  75/7/11    SAN JUAN,PR         DEHAVILLAND DH114   CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0431                    N570PR              PX-  0  0  9  COMMUTER AIR CARRIER      32, 7870 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-I        4680 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PUERTO RICO INTL
        DEPARTURE POINT             INTENDED DESTINATION
          SAN JUAN,PR                 MAYAGUEZ,PR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       TAKEOFF: RUN
           AIRFRAME FAILURE: ON GROUND                              TAKEOFF: RUN
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: OTHER
        REMARKS- SEPD PROP BLADE PENETRATED FUSELAGE.FATIGUE.INADQT DISEMTN & ENFRCMT OF RCMDD MAINT PRACT BY FAA.
```

## Aircraft

- Registration: [N570PR](https://openairdocs.org/deregistered/N570PR-1991-07-08), registration cancelled 1991-07-08, S/N 14074 (OpenAirDocs)
- Reported make and model: DEHAVILLAND DH114
- Registry model: [Dehavilland DH 114 HERON 2X](https://openairdocs.org/model/dehavilland-dh-114-heron-2x) (registry code 2800508) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Puerto Rico Intl

## FAA reports on this event (1)

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

- [Accident 19750711041279A](https://openairdocs.org/incident/19750711041279A), Jul 11, 1975: Hwksly DH1142DA, San Juan, Puerto Rico, Substantial damage. Sepd prop blade penetrated fuselage. Fatigue.inadqt disemtn & enfrcmt of rcmdd maint pract by FAA.

## Other investigations on N570PR (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 MIA70A0042](https://openairdocs.org/ntsb/MIA70A0042), Dec 1, 1969: Dehavilland DH114 (N570PR), Charlotte Amal, VI, 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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