# Accident 19980929027459A: Beech 35B33, Point Lookout, MO, September 29, 1998

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 29, 1998, 16:20 local time
- Place: Point Lookout, MO
- Airport: M Graham Clark Airport
- Damage: Substantial damage
- Phase of flight: Forced Landing
- Operating rules: General operating rules (Part 91)
- Location: 36.6259° N, 93.2289° W: Placed by OpenAirDocs at , within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.6259&lon=-93.2289&mi=10
- Aircraft: N8946M, a cancelled registration (https://openairdocs.org/deregistered/N8946M-2013-07-17) (OpenAirDocs)
- Registry model: Beech 35-B33 (registry code 1151406, https://openairdocs.org/model/beech-35-b33) (OpenAirDocs)
- Registry engine: Continental I0-470 series (registry code 17027, https://openairdocs.org/engine/continental-i0-470-series) (OpenAirDocs)
- Reported make and model: BEECH 35B33
- Reported engine: CONT IO470K
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 1,312 total, 22 in this make and model, 22 in the last 90 days
- NTSB investigation: [NTSB CHI98LA366](https://openairdocs.org/ntsb/CHI98LA366) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19980929027459A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ACFT EXPERIENCED A LOSS OF POWER ON TAKEOFF, RETURNED TO THE APRT, AND SUSTAINED SUBSTANTIAL DAMAGE. (-23)THE MIXTURE CONTROL WAS IMPROPERLY RIGGED.  THE PILOT ELECTED TO ATTEMPT A SECOND DEPARTURE EVEN AFTER BEING TOLD AND SHOWN THE DISCREPANCY WITH THE MIXTURE CONTROL.  THE PILOT LOST CONTROL OF THE AIRCRAFT IN THE FINAL FEW SECONDS OF THE FLIGHT.                       (.4) THE AIRCRAFT IMPACTED TERRAIN, WHILE RETURNING TO RUNWAY 29 AT M. GRAHAM CLARK AIRPORT, POINT LOOKOUT, MISSOURI, AFTER EXPERIENCING A PARTIAL LOSS OF ENGINE POWER.  THE PILOT REPORTED THAT THE MECHANIC, WHO INSPECTED THE MIXTURE CONTROL, HAD REPLACED THE OUTER MIXTURE CONTROL CLAMPS.  THE PILOT ALSO STATED THAT THE MECHANIC RECOMMENDED TO LEAVE THE CONTROL FULL RICH UNTIL A MECHANIC COULD TROUBLESHOOT THE REASON THAT THE CONTROL LINKAGE ALLOWED THE MIXTURE TO GO OVER CENTER.  THE PILOT STATED THAT NO PAPERWORK WAS GENERATED ON THE CLAMP REPLACEMENT AND THAT THE MECHANIC DID NOT WANT TO CHARGE FOR THE WORK. THE MECHANIC STATED, THAT HE HAD REPLACED A CABLE HOUSING CLAMP AND RIGGED THE MIXTURE CONTROL TO THE FULL RICH STOP.  HE ALSO TOLD THE PILOT THAT IT WAS STILL NOT RIGGED CORRECTLY AND WOULD TAKE A WEEK TO  TROUBLESHOOT AND REPAIR. THE MECHANIC FURTHER REPORTED, THAT HE SHOWED THE DISCREPANCY TO THE PILOT AND TOLD HIM HE COULD DO WHATEVER HE WANTED TO DO. INSPECTION OF THE AIRCRAFT REVEALED THAT THERE WAS FUEL PRESENT IN BOTH FUEL TANKS. BOTH MAGNETOS WERE TESTED AND NO ANOMALIES WERE NOTED. INSPECTION OF THE MIXTURE CONTROL REVEALED THAT IT WAS NOT TRAVELING TO THE IDLE CUT-OFF STOP AND THAT THE FULL RICH STOP PIN WAS NOT IN PLACE.

## The NTSB's investigation of this event (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 CHI98LA366](https://openairdocs.org/ntsb/CHI98LA366), Sep 29, 1998: Beech BE-35 (N8946M), Point Lookout, MO, substantial damage. Probable cause: The pilot's continued flight with a known deficiency in equipment. Contributing to the accident was the maintenance adjustment that was not completed by the mechanic.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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