# NTSB SEA71DDA09: Aeronca 7AC, N81782, Opheim, MT, November 15, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 15, 1970
- Place: Opheim, MT · OPHEIM, MT
- Location: 48.8571° N, 106.4084° W: Placed by OpenAirDocs: center of Opheim, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.8571&lon=-106.4084&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 24, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 159726
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DDA09
- Page: https://openairdocs.org/ntsb/SEA71DDA09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4390  70/11/15 NR.OPHEIM,MONT        AERONCA 7AC         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 45, 1500
        TIME - 1300                    N81782              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 200 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         OPHEIM,MONT                  RANCH STRIP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - INTERFERENCE WITH FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED
        REMARKS- FRONT SEAT BELT MISROUTED.CAUGHT R RUDDER PEDAL DURING LDG ON COUNTRY ROAD.HIT FENCE,FARM MACHINES
```

## Aircraft

- Registration: [N81782](https://openairdocs.org/aircraft/N81782), registered now, S/N 7AC-405, built 1945 (OpenAirDocs)
- Reported make and model: AERONCA 7AC
- Registry model: [Aeronca 7AC](https://openairdocs.org/model/aeronca-7ac) (registry code 2110102) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N81782 (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 MKC67D0512](https://openairdocs.org/ntsb/MKC67D0512), May 2, 1967: Aeronca 7AC (N81782), Bowman, ND, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.