# NTSB CHI72FEC34: Cessna 170B, N3177A, Troy, MI, April 4, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 4, 1972
- Place: Troy, MI · TROY, MI
- Location: 42.6056° N, 83.1499° W: Placed by OpenAirDocs: center of Troy, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6056&lon=-83.1499&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 1 uninjured
- Status: Completed, report November 29, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 165729
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEC34
- Page: https://openairdocs.org/ntsb/CHI72FEC34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0731   72/4/4    TROY,MICH           CESSNA 170B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 1090
        TIME - 1056                    N3177A              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 990 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BIG BEAVER
        DEPARTURE POINT             INTENDED DESTINATION
          TROY,MICH                   PHOENIX,ARIZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - PREMATURE FLAP RETRACTION
        REMARKS- WIND GUSTING 18K.TKOF WITH SNOW OR ICE ADHERING TO THE AIRFOIL.
```

## Aircraft

- Registration: [N3177A](https://openairdocs.org/deregistered/N3177A-2018-03-16), registration cancelled 2018-03-16, S/N 25821, built 1953 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Big Beaver

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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