# NTSB CHI80FEX37: Pietenpol GN-1, N4933, Marion, IN, September 28, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 28, 1980
- Place: Marion, IN · MARION, IN
- Location: 40.5500° N, 85.6604° W: Placed by OpenAirDocs: center of Marion, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5500&lon=-85.6604&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report December 30, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 128401
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI80FEX37
- Page: https://openairdocs.org/ntsb/CHI80FEX37

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2921  80/9/28    MARION,IN           PIETENPOL GN-1      CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 55, 700
        TIME - 0905                    N4933               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 5 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MARION
        DEPARTURE POINT             INTENDED DESTINATION
          MARION,IN                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           SYSTEMS - FLIGHT CONTROL SYSTEMS: ELEVATOR AND ELEVATOR TAB CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- ELEVATOR PUSH-PULL CTL ROD FAILED.
```

## Aircraft

- Registration: [N4933](https://openairdocs.org/deregistered/N4933-1983-08-11), registration cancelled 1983-08-11, S/N GN-1-135 (OpenAirDocs)
- Reported make and model: PIETENPOL GN-1
- Registry model: [Pietenpol GN-1](https://openairdocs.org/model/pietenpol-gn-1) (registry code 70401RZ) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Marion

## 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 19800928045769A](https://openairdocs.org/incident/19800928045769A), Sep 28, 1980: Amtr AN1, Marion, IN, Destroyed. Reached 200 feet on takeoff, then nose-dived into ground adjacent to runway. Found elevator rod 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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