# NTSB CHI73AC003: Piper PA-23, N4241P, Knox, IN, July 7, 1972

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 7, 1972
- Place: Knox, IN · KNOX, IN
- Location: 41.2910° N, 86.6212° W: Placed by OpenAirDocs: center of Knox, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2910&lon=-86.6212&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report March 19, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167173
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI73AC003
- Page: https://openairdocs.org/ntsb/CHI73AC003

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3267   72/7/7    KNOX,IND            PIPER PA-23         CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1545                    N4241P              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 49, 2661 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - STARKE COUNTY
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MT.HOLLY,NJ                 LAKE GENEVA,WIS              KNOX,IND
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        REMARKS- LND FOR FUEL AT UNATTENDED ARPT.NO FUEL AVAIL.PLT DEP FOR ARPT 14 MI AWAY TO REFUEL.L ENG QUIT.
```

## Aircraft

- Registration: [N4241P](https://openairdocs.org/deregistered/N4241P-1972-11-15), registration cancelled 1972-11-15, S/N 23-1740 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-160](https://openairdocs.org/model/piper-pa-23-160) (registry code 7102304) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Starke 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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