# NTSB IAD69D0179: Piper PA-28R, N3975T, Accokeek, MD, April 19, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 19, 1969
- Place: Accokeek, MD · ACCOKEEK, MD
- Location: 38.6752° N, 77.0004° W: Placed by OpenAirDocs: center of Accokeek, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6752&lon=-77.0004&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 10, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 185694
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD69D0179
- Page: https://openairdocs.org/ntsb/IAD69D0179

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4689  69/4/19    ACCOKEEK,MD         PIPER PA-28R        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 70, 1100
        TIME - 1122                    N3975T              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 9 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HYDE FIELD,MD               MANASSAS,VA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PROP/ENGINE VIBRATION
        REMARKS- APRXLY 5 1/2 IN OF PROP BLADE SEPARATED. ACFT DAMAGED DURG LDG. HARTZELL PROP SN B-26247.
```

## Aircraft

- Registration: [N3975T](https://openairdocs.org/deregistered/N3975T-1973-10-17), registration cancelled 1973-10-17, S/N 28R-30324, built 1968 (OpenAirDocs)
- Reported make and model: PIPER PA-28R
- Registry model: [Piper PA-28R-180](https://openairdocs.org/model/piper-pa-28r-180) (registry code 7102809) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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