# NTSB CHI75FEE08: Piper PA-30, N1188Y, Chicago, IL, August 1, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 1, 1974
- Place: Chicago, IL · CHICAGO, IL
- Location: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8500&lon=-87.6501&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 3, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 134950
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FEE08
- Page: https://openairdocs.org/ntsb/CHI75FEE08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2583   74/8/1  NR.CHICAGO,ILL        PIPER PA-30         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 650
        TIME - 1614                    N1188Y              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 17 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TUSCOLA,ILL                 MANITOWOC,WIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
        FACTOR(S)
           AIRFRAME - FLIGHT CONTROL SURFACES: HORIZONTAL STABILIZER, ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  DOOR/PANEL OPEN
        REMARKS- PLT REACHED DWN TO R FOR ENROUTE CHART ACFT ENTRD STEEP DSCNDG TURN TO L.DMGD STAB,DOOR OPENED.
```

## Aircraft

- Registration: [N1188Y](https://openairdocs.org/aircraft/N1188Y), registered now, S/N 30-403, built 1964 (OpenAirDocs)
- Reported make and model: PIPER PA-30
- Registry model: [Piper PA-30](https://openairdocs.org/model/piper-pa-30) (registry code 7103002) (OpenAirDocs)
- Registry engine: [Lycoming IO-320 series](https://openairdocs.org/engine/lycoming-io-320-series) (registry code 41509, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19740801029179A](https://openairdocs.org/incident/19740801029179A), Aug 1, 1974: Piper PA30, Chicago, IL, Substantial damage. Plt reached dwn to r for enroute chart acft entrd steep dscndg turn to l.dmgd stab,door opened.

## Other investigations on N1188Y (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 CHI72DEV27](https://openairdocs.org/ntsb/CHI72DEV27), Apr 12, 1972: Piper PA-30 (N1188Y), Urbana, 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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