# NTSB CHI75FEP36: Cessna 170B, N3120B, Waukesha, WI, December 28, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 28, 1974
- Place: Waukesha, WI · WAUKESHA, WI
- Location: 43.0091° N, 88.2451° W: Placed by OpenAirDocs: center of Waukesha, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0091&lon=-88.2451&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report February 7, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 144964
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FEP36
- Page: https://openairdocs.org/ntsb/CHI75FEP36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4098  74/12/28   WAUKESHA,WIS        CESSNA 170B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 44, 352
        TIME - 1235                    N3120B              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 155 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WAUKESHA CITY
        DEPARTURE POINT             INTENDED DESTINATION
          RACINE,WIS                  EAU CLAIRE,WIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      1300
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      34
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          220                                                       13
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
```

## Aircraft

- Registration: [N3120B](https://openairdocs.org/aircraft/N3120B), registered now, S/N 25362, built 1952 (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: Waukesha City

## 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 19741228042619A](https://openairdocs.org/incident/19741228042619A), Dec 28, 1974: Cessna 170B, Waukesha, WI, Substantial damage

## Other investigations on N3120B (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 CHI67F0354](https://openairdocs.org/ntsb/CHI67F0354), Nov 20, 1966: Cessna 170B (N3120B), Pewaukee, WI, 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.

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