# NTSB CHI66F0600: Piper PA-22, N4785A, Naperville, IL, January 29, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 29, 1966
- Place: Naperville, IL · NAPERVILLE, IL
- Location: 41.7859° N, 88.1473° W: Placed by OpenAirDocs: center of Naperville, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7859&lon=-88.1473&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 4, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 178688
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI66F0600
- Page: https://openairdocs.org/ntsb/CHI66F0600

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0250  66/1/29    NAPERVILLE ILL      PIPER PA-22         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 34, 265
        TIME - 1300                    N4785A              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 4 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - NAPERVILLE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
```

## Aircraft

- Registration: [N4785A](https://openairdocs.org/deregistered/N4785A-2016-08-03), registration cancelled 2016-08-03, S/N 22-3936, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (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: Naperville

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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