# Accident 20030201000669A: Amtr ZODIAC, Grandville, OK, February 1, 2003

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: February 1, 2003, 13:00 local time
- Place: Grandville, OK
- Damage: Substantial damage
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 34.2378° N, 98.7419° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=34.2378&lon=-98.7419&mi=10
- Aircraft: N474BG, registered now (https://openairdocs.org/aircraft/N474BG) (OpenAirDocs)
- Registry model: Gilbertson Keith G ZODIAC CH 601HDS (registry code 05614P5, https://openairdocs.org/model/gilbertson-keith-g-zodiac-ch-601hds) (OpenAirDocs)
- Registry engine: Subaru ALL MDLS A/B (registry code 59050, https://openairdocs.org/engine/subaru-all-mdls-a-b) (OpenAirDocs)
- Reported make and model: AMTR ZODIAC
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 5,000 total, 48 in this make and model, 90 in the last 90 days
- NTSB investigation: [NTSB FTW03LA091](https://openairdocs.org/ntsb/FTW03LA091) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20030201000669A

## Narrative

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

(.19) ON FEBRUARY 1, 2003, APPROXIMATELY 1235 CENTRAL STANDARD TIME, A GILBERTSON ZODIAC CH601HDS, EXPERIMENTAL AIRPLANE, N474BG, STRUCK A TERRACE DURING A FORCED LANDING FOLLOWING A LOSS OF ENGINE POWER NEAR GRANDFIELD, OKLAHOMA. THE AIRPLANE WAS BUILT, OWNED, AND OPERATED BY THE PILOT UNDER 14 CODE OF FEDERAL REGULATIONS (CFR) PART 91. THE AIRLINE TRANSPORT PILOT, SOLE OCCUPANT, WAS NOT INJURED, AND THE AIRPLANE SUSTAINED SUBSTANTIAL DAMAGE. VISUAL METEOROLOGICAL CONDITIONS PREVAILED FOR THE LOCAL FLIGHT, AND A FLIGHT PLAN WAS NOT FILED. THE TEST FLIGHT ORIGINATED FROM CHATTANOOGA, OKLAHOMA, APPROXIMATELY 1205. LOCAL AUTHORITIES AND THE PILOT REPORTED TO THE FAA INSPECTOR THAT THE AIRPLANE STRUCK THE TERRACE, THE NOSE LANDING GEAR COLLAPSED, AND THE AIRPLANE STRUCTURE TWISTED AS THE AIRPLANE CAME TO REST IN THE FIELD. DURING THE IMPACT SEQUENCE, THE FIREWALL AND ALL COMPONENTS FORWARD OF THE FIREWALL SEPARATED FROM THE AIRPLANE. THE INTEGRITY OF THE FUEL TANK WAS COMPROMISED. THE PILOT REPORTED TO THE FAA INSPECTOR THAT DURING A FLIGHT THAT MORNING, THE SUBARU ENGINE WAS RUNNING ROUGH; HOWEVER, HE LANDED THE AIRPLANE WITHOUT FURTHER INCIDENT. THE CARBURETOR SCREEN WAS REMOVED, CLEANED OF DEBRIS, AND REINSTALLED BY THE PILOT. DURING THE AFTERNOON FLIGHT, THERE WAS A TOTAL LOSS OF ENGINE POWER. THE PILOT PERFORMED THE EMERGENCY LANDING PROCEDURES. THE FAA INSPECTOR REPORTED THAT THE AIRPLANE HAD ACCUMULATED 28 OF THE REQUIRED 40 HOURS OF FLIGHT TIME UNDER THE OPERATING LIMITATIONS FOR THE HOMEBUILT AIRPLANE. (-23) FEBRUARY 1, 2003, A HOME-BUILT AIRCRAFT WAS FLYING FROM CHATANOOGA AIRPORT FOR A TEST FLIGHT. THE ENGINE LOST POWER. THE PILOT LANDED IN A FIELD AND THE AIRCRAFT RAN OVER A TERRACE BERM. THE NOSE GEAR COLLAPSED AND THE NOSE DUG INTO THE BERM. THE FIREWALL FORWARD WAS TORN FROM THE AIRCRAFT AND BOTH MAIN LANDING GEAR COLLAPSED. THE PILOT STATED THAT DURING AN EARLIER FLIGHT THE ENGINE RAN ROUGH. AFTER THE FLIGHT HE REMOVED THE CARBURETOR FROM THE SUBARU ENGINE. HE CLEANED THE CARBURETOR SCREEN AND REINSTALLED THE CARBURETOR. THIS FLIGHT BEGAN AT 12:35 CST, AND THE ENGINE QUIT AT 1300. THE PILOT WILL SUBMIT AN M OR D REPORT.

## 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 FTW03LA091](https://openairdocs.org/ntsb/FTW03LA091), Feb 1, 2003: Gilbertson Zodiac CH601HDS (N474BG), Grandfield, OK, substantial damage. Probable cause: The loss of engine power for an undetermined reason. Contributing factors were the lack of suitable terrain for the forced landing and the unfavorable wind.

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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