# NTSB CHI69F0063: Piper PA-23, N4145P, Indianapolis, IN, July 3, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 3, 1968
- Place: Indianapolis, IN · INDIANAPOLIS, IN
- Location: 39.7684° N, 86.1580° W: Placed by OpenAirDocs: center of Indianapolis, IN, within about 11 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7684&lon=-86.1580&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 25, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 109527
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69F0063
- Page: https://openairdocs.org/ntsb/CHI69F0063

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2934   68/7/3    INDIANAPOLIS,IND    PIPER PA-23         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 2145                    N4145P              PX-  0  0  0  DUAL                      AGE 54, 10000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 100 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - WEIR COOK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           DUAL STUDENT - INADVERTENTLY RETRACTED GEAR
```

## Aircraft

- Registration: [N4145P](https://openairdocs.org/aircraft/N4145P), registered now, S/N 23-1626, built 1959 (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: Weir Cook

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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