# NTSB MKC66F0538: Piper PA-23, N3301P, Iowa City, IA, April 20, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 20, 1966
- Place: Iowa City, IA · IOWA CITY, IA
- Location: 41.6557° N, 91.5309° W: Placed by OpenAirDocs: center of Iowa City, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6557&lon=-91.5309&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 12, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 171846
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC66F0538
- Page: https://openairdocs.org/ntsb/MKC66F0538

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2166  66/4/20    IOWA CITY IOWA      PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 45, 1800
        TIME - 2010                    N3301P              PX-  0  0  0  CORP/EXEC                 TOTAL HOURS, 380 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - IOWA CITY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - REDUCTION GEAR ASSEMBLY: GEARS,ACCESSORY DRIVE
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - FEATHERED WRONG ENGINE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- LEFT ENGINE CRANKSHAFT ACCESSORY DRIVE GEAR DOWEL PIN SHEARED.
```

## Aircraft

- Registration: [N3301P](https://openairdocs.org/aircraft/N3301P), registered now, S/N 23-1251, built 1958 (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)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Iowa City

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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