# NTSB IAD77FID29: Boeing A75N1, N17PT, Fredericksburg, VA, September 10, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 10, 1977
- Place: Fredericksburg, VA · FREDERICKSBURG, VA
- Location: 38.2993° N, 77.4867° W: Placed by OpenAirDocs: center of Fredericksburg, VA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2993&lon=-77.4867&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 3, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 144170
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD77FID29
- Page: https://openairdocs.org/ntsb/IAD77FID29

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4029  77/9/10    FREDERICKSBURG,VA   BOEING A75N1        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 770
        TIME - 1230                    N17PT               PX-  0  0  0  PRACTICE                  TOTAL HOURS, 108 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FREDERICKSBURG,VA           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: ACROBATICS
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           SYSTEMS - FLIGHT CONTROL SYSTEMS: RUDDER AND RUDDER TAB CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  LATERAL CONTROL PROBLEM
        REMARKS- INTENTIONAL INVERTED SPIN.PARTIAL RECOVERY AT LOW ALT.RUDDER BELLCRANK CORRODED,SEPARATED.
```

## Aircraft

- Registration: [N17PT](https://openairdocs.org/deregistered/N17PT-1994-08-23), registration cancelled 1994-08-23, S/N 754695 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing PT-17](https://openairdocs.org/model/boeing-pt-17) (registry code 1380136) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial 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).

- [Accident 19770910031269A](https://openairdocs.org/incident/19770910031269A), Sep 10, 1977: Boeing A75N1, Fredericksburg, VA, Substantial damage. Intentional inverted spin. Partial recovery at low alt. Rudder bellcrank corroded,separated.

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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