# NTSB UNK64X1149: Cessna 170, N4175V, Trenton, MI, April 3, 1964

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 3, 1964
- Place: Trenton, MI · TRENTON, MI
- Location: 42.1402° N, 83.1924° W: Placed by OpenAirDocs: center of Trenton, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.1402&lon=-83.1924&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report January 7, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 184844
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1149
- Page: https://openairdocs.org/ntsb/UNK64X1149

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0084   64/4/3    TRENTON MICH        CESSNA 170          CR-  2  0  0  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1800                    N4175V              PX-  1  0  0  DUAL                      40, 6535 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
```

## Aircraft

- Registration: [N4175V](https://openairdocs.org/deregistered/N4175V-1964-04-16), registration cancelled 1964-04-16, S/N 18508 (OpenAirDocs)
- Reported make and model: CESSNA 170
- Registry model: [Cessna 170](https://openairdocs.org/model/cessna-170) (registry code 2072302) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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.
