# NTSB CHI70FBM12: Aero Comdr 680-FL, N847, Knox, IN, April 6, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 6, 1970
- Place: Knox, IN · KNOX, IN
- Location: 41.2910° N, 86.6212° W: Placed by OpenAirDocs: center of Knox, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2910&lon=-86.6212&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report August 5, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 134867
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70FBM12
- Page: https://openairdocs.org/ntsb/CHI70FBM12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0615   70/4/6    KNOX,IND            AERO COMDR 680-FL   CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 34, 4646
        TIME - 1100                    N847                PX-  0  0  3  CORP/EXEC                 TOTAL HOURS, 1777 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KNOX,IND                    TRAVERSE CITY,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: FUEL INJECTION SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE,NONE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- R ENG LOST FUEL PRESSURE,CAUGHT FIRE,WHEN PRESS REGULATOR CAME LOOSE FROM FUEL INJECTOR BODY.
```

## Aircraft

- Registration: [N847](https://openairdocs.org/deregistered/N847-1977-12-22), registration cancelled 1977-12-22, S/N 11140 (OpenAirDocs)
- Reported make and model: AERO COMDR 680-FL
- Registry model: [Rockwell Commander 690A](https://openairdocs.org/model/rockwell-commander-690a) (registry code 7630521) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N847 (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 CHI77FA040](https://openairdocs.org/ntsb/CHI77FA040), Apr 23, 1977: Aero Comdr 690A (N847), Chicago, IL, destroyed, 4 fatal

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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