# NTSB CHI77FEE52: Piper PA-23, N4302Y, Morris, IL, September 27, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 27, 1977
- Place: Morris, IL · MORRIS, IL
- Location: 41.3802° N, 88.4243° W: Placed by OpenAirDocs: center of Morris, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.3802&lon=-88.4243&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 10, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 144291
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEE52
- Page: https://openairdocs.org/ntsb/CHI77FEE52

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4158  77/9/27  NR.MORRIS,IL          PIPER PA-23         CR-  0  0  2  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 1015                    N4302Y              PX-  0  0  0  DUAL                      30, 3897 TOTAL HOURS, 154
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MORRIS
        DEPARTURE POINT             INTENDED DESTINATION
          PLAINFIELD,IL               PLAINFIELD,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           AIRFRAME - FLIGHT CONTROL SURFACES: RUDDER SURFACES,ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- SEQUIN AVIATION RUDDER STC SA671SW FAILED DURING PRACTICE ENG AIRSTART.AD ISSUED.
```

## Aircraft

- Registration: [N4302Y](https://openairdocs.org/aircraft/N4302Y), registered now, S/N 23-2025, built 1961 (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: Morris

## 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 19770927042549A](https://openairdocs.org/incident/19770927042549A), Sep 27, 1977: Piper PA23160, Morris, IL, Substantial damage. Sequin aviation rudder STC SA671SW failed during practice eng airstart.AD issued.

## Other investigations on N4302Y (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 OAK71FVG90](https://openairdocs.org/ntsb/OAK71FVG90), Jun 30, 1971: Piper PA-23 (N4302Y), Elk Grove, CA, 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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