# NTSB CHI75AC054: Beech V35BTC, N580A, Waukesha, WI, January 22, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: January 22, 1975
- 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: Fatal
- Injuries: 1 fatal
- Status: Completed, report July 10, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 170142
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75AC054
- Page: https://openairdocs.org/ntsb/CHI75AC054

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2194  75/1/22    WAUKESHA,WI         BEECH V35BTC        CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 55, 5062
        TIME - 1043                    N580A               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 532 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - WAUKESHA COUNTY
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          WAUKESHA,WI                 MESA,AZ                      WICHITA,KS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: CLIMB TO CRUISE
           COLLIDED WITH: WIRES/POLES                               LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: INCORRECT FACTORY INSTALLATION
           POWERPLANT - LUBRICATING SYSTEM: LINES,HOSES,FITTING
           POWERPLANT - EXHAUST SYSTEM: EXTERNAL SUPERCHARGER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN CABIN,COCKPIT,BAGGAGE COMPARTMENT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- TURBOCHARGER OIL INLET HOSE CNCTD TO ALUM ADAPTER P/N628675 WITH A STEEL FITTING P/N AN816-6.
```

## Aircraft

- Registration: N580A (not matched to a registry record)
- Reported make and model: BEECH V35BTC
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Waukesha County

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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