# NTSB CHI70F0084: N.American AT-6, N7987C, Ann Arbor, MI, June 29, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 29, 1969
- Place: Ann Arbor, MI · ANN ARBOR, MI
- Location: 42.2761° N, 83.7312° W: Placed by OpenAirDocs: center of Ann Arbor, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2761&lon=-83.7312&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report August 18, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 167555
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70F0084
- Page: https://openairdocs.org/ntsb/CHI70F0084

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1948  69/6/29    ANN ARBOR,MICH      N.AMERICAN AT-6     CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 28, 472
        TIME - 1015                    N7987C              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 90 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ANN ARBOR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: BUILDING(S)                               LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           POWERPLANT - IGNITION SYSTEM: LEADS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- HIT T-HANGAR.SPARK PLUGS OIL FOULED,IGNITION LEADS SHORTING-OUT IN NR 4 CYL.
```

## Aircraft

- Registration: [N7987C](https://openairdocs.org/deregistered/N7987C-2017-02-04), registration cancelled 2017-02-04, S/N 90826, built 1943 (OpenAirDocs)
- Reported make and model: N.AMERICAN AT-6
- Registry model: [North American AT-6D](https://openairdocs.org/model/north-american-at-6d) (registry code 6400416) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Ann Arbor

## Other investigations on N7987C (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 MIA67F0307](https://openairdocs.org/ntsb/MIA67F0307), Nov 26, 1966: N.American SNJ-5 (N7987C), Picayune, MS, 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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