# NTSB NYC79IA072: Short Bros SD3-30, N724SA, Reading, PA, August 6, 1979

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: August 6, 1979
- Place: Reading, PA · READING, PA
- Location: 40.3392° N, 75.9263° W: Placed by OpenAirDocs: center of Reading, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.3392&lon=-75.9263&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 20 uninjured
- Status: Completed, report February 29, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133868
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC79IA072
- Page: https://openairdocs.org/ntsb/NYC79IA072

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0046   79/8/6    READING,PA          SHORT BROS SD3-30   CR-  0  0  3  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1716                    N724SA              PX-  0  0 17  COMMUTER AIR CARRIER      40, 9878 TOTAL HOURS, 314
                                       DAMAGE-MINOR        OT-  0  0  0  AIR TAXI-PASSG S-D        IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - READING MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          READING,PA                  PHILADELPHIA,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
        PROBABLE CAUSE(S)
           POWERPLANT - TURBINE ASSEMBLY: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
         FIRE AFTER IMPACT
        REMARKS- ENGINE POWER TURBINE DISINTERGRATED DUE TO FATIGUE IN SUNGEAR COUPLING.
```

## Aircraft

- Registration: [N724SA](https://openairdocs.org/deregistered/N724SA-2014-11-17), registration cancelled 2014-11-17, S/N SH-3024, built 1978 (OpenAirDocs)
- Reported make and model: SHORT BROS SD3-30
- Registry model: [Short Bros. & Harland SD3-30](https://openairdocs.org/model/short-bros-harland-sd3-30) (registry code 8100602) (OpenAirDocs)
- Registry engine: [U/A Canada PT6A series](https://openairdocs.org/engine/u-a-canada-pt6a-series) (registry code 61508, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Minor damage
- Airport: Reading Muni

## 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 19790806030059I](https://openairdocs.org/incident/19790806030059I), Aug 6, 1979: Stbros SD330, Reading, PA, Minor damage. Turbine blades failed, takeoff aborted.

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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