# NTSB CHI73FEV31: Piper PA-23, N4506P, Springfield, IL, June 27, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 27, 1973
- Place: Springfield, IL · SPRINGFIELD, IL
- Location: 39.8017° N, 89.6437° W: Placed by OpenAirDocs: center of Springfield, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8017&lon=-89.6437&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 14, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 190263
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI73FEV31
- Page: https://openairdocs.org/ntsb/CHI73FEV31

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1584  73/6/27    SPRINGFIELD,ILL     PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1052                    N4506P              PX-  0  0  1  CORP/EXEC                 28, 3542 TOTAL HOURS, 43
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CAPITAL
        DEPARTURE POINT             INTENDED DESTINATION
          WHEELING,ILL                SPRINGFIELD,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADVERTENTLY RETRACTED GEAR
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
        REMARKS- ACFT LDG GR AND SYS CK,DWN-LOCK MECHANISM AND INDICATOR LGTS OK.PROPER CLNC GR ANTI-RETRACT VALVE.
```

## Aircraft

- Registration: [N4506P](https://openairdocs.org/deregistered/N4506P-2012-11-09), registration cancelled 2012-11-09, S/N 27-9, built 1960 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Capital

## 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 19730627018159A](https://openairdocs.org/incident/19730627018159A), Jun 27, 1973: Piper PA23250, Springfield, IL, Substantial damage. Acft ldg gr and sys ck,dwn-lock mechanism and indicator lgts ok. Proper clnc gr anti-retract valve.

## Other investigations on N4506P (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 UNK64X0882](https://openairdocs.org/ntsb/UNK64X0882), Mar 11, 1964: Piper PA23 (N4506P), Wheeling, IL, 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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