# NTSB CHI73FEV14: Piper PA-30, N7939, Robinson, IL, October 23, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 23, 1972
- Place: Robinson, IL · ROBINSON, IL
- Location: 39.0086° N, 87.7334° W: Placed by OpenAirDocs: center of Robinson, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.0086&lon=-87.7334&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 1, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169073
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI73FEV14
- Page: https://openairdocs.org/ntsb/CHI73FEV14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2905  72/10/23   ROBINSON,ILL        PIPER PA-30         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 2530
        TIME - 1635                    N7939               PX-  0  0  2  BUSINESS                  TOTAL HOURS, 1530 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT -  ROBINSON MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          ROBINSON,ILL                NEWBURG,NY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           WHEELS-UP                                                TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: RAM AIR ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        REMARKS- ALT AIR DOOR HINGE LUGS BRKN.ALT TOO LOW FOR CMPLT GR EXTN.
```

## Aircraft

- Registration: N7939 (not matched to a registry record)
- Reported make and model: PIPER PA-30
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport:  Robinson Muni

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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