# NTSB CHI71F0001: Cessna 172, N3941R, Three Oaks, MI, September 14, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 14, 1969
- Place: Three Oaks, MI · THREE OAKS, MI
- Location: 41.7985° N, 86.6139° W: Placed by OpenAirDocs: center of Three Oaks, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7985&lon=-86.6139&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 5, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 154173
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71F0001
- Page: https://openairdocs.org/ntsb/CHI71F0001

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4714  69/9/14    THREE OAKS,MICH     CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             NO CERTIFICATE, AGE
        TIME - 1515                    N3941R              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  UNK/NR, UNK/NR TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   NOT INSTRUMENT RATED.
        NAME OF AIRPORT - OSELKA
        DEPARTURE POINT             INTENDED DESTINATION
          THREE OAKS,MICH             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - STOLEN OR UNAUTH=
        REMARKS- UNAUTHORIZED FLT. NOSE GR STRUCK HOLE OFF RWY.
```

## Aircraft

- Registration: [N3941R](https://openairdocs.org/aircraft/N3941R), registered now, S/N 17255441, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172H](https://openairdocs.org/model/cessna-172h) (registry code 2072424) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Oselka

## Other investigations on N3941R (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 FTW90LA105](https://openairdocs.org/ntsb/FTW90LA105), May 3, 1990: Cessna 172H (N3941R), San Angelo, TX, substantial damage. Probable cause: THE STUDENT FAILED TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRCRAFT DURING TAKEOFF IN VARIABLE WIND CONDITIONS.

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.
