# NTSB CHI76FEM53: Thorp T-18, N12BS, Menominee, MI, August 7, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 7, 1976
- Place: Menominee, MI · MENOMINEE, MI
- Location: 45.1234° N, 87.6235° W: Placed by OpenAirDocs: center of Menominee, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1234&lon=-87.6235&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report November 24, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 155777
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI76FEM53
- Page: https://openairdocs.org/ntsb/CHI76FEM53

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2992   76/8/7    MENOMINEE,MI        THORP T-18          CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 62, 400
        TIME - 1246                    N12BS               PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 200 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MENOMINEE CO
        DEPARTURE POINT             INTENDED DESTINATION
          MENOMINEE,MI                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INCAPACITATION
           MISCELLANEOUS ACTS,CONDITIONS - PILOT SUFFERED HEART ATTACK
```

## Aircraft

- Registration: [N12BS](https://openairdocs.org/deregistered/N12BS-1976-10-04), registration cancelled 1976-10-04, S/N 804 (OpenAirDocs)
- Reported make and model: THORP T-18
- Registry model: [Sater THORP T-18](https://openairdocs.org/model/sater-thorp-t-18) (registry code 8951066) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Menominee Co

## 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 19760807025919A](https://openairdocs.org/incident/19760807025919A), Aug 7, 1976: Amtr 8951066, Menominee, MI, Destroyed, 1 fatal

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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