# NTSB CHI72FEV08: Piper PA-30, N7696Y, Bloomington, IL, August 6, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 6, 1971
- Place: Bloomington, IL · BLOOMINGTON, IL
- Location: 40.4758° N, 88.9699° W: Placed by OpenAirDocs: center of Bloomington, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4758&lon=-88.9699&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 24, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162912
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEV08
- Page: https://openairdocs.org/ntsb/CHI72FEV08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2891   71/8/6  NR.BLOOMINGTON,ILL    PIPER PA-30         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 46, 4562
        TIME - 1550                    N7696Y              PX-  0  0  0  CORP/EXEC                 TOTAL HOURS, 3352 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CRESTWOOD,ILL               SPRINGFIELD,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  PROP/ENGINE VIBRATION
        REMARKS- L PROP BLADE FAILED NEAR HUB.SEP IN FLT.TORE ENG LOOSE FROM MOUNTS.FURTHER DMG TO L WG ON LDG ROLL
```

## Aircraft

- Registration: [N7696Y](https://openairdocs.org/deregistered/N7696Y-2012-09-05), registration cancelled 2012-09-05, S/N 30-779, built 1965 (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

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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