# Accident 20011217033759A: Amtr SONERAI2, Camarillo, CA, December 17, 2001 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: December 17, 2001, 11:50 local time - Place: Camarillo, CA - Airport: Camarillo Airport - Damage: Substantial damage - Phase of flight: Roll-Out (Fixed Wing) - Operating rules: General operating rules (Part 91) - Location: 34.2000° N, 119.0833° W: From the FAA - Nearby events: https://openairdocs.org/map.md?lat=34.2000&lon=-119.0833&mi=10 - Aircraft: N6399D, a cancelled registration (https://openairdocs.org/deregistered/N6399D-2005-06-15) (OpenAirDocs) - Registry model: Flippo Robert Vernon SONERAI II (registry code 05607KK, https://openairdocs.org/model/flippo-robert-vernon-sonerai-ii) (OpenAirDocs) - Registry engine: Revmaster 2100 (registry code 52550, https://openairdocs.org/engine/revmaster-2100) (OpenAirDocs) - Reported make and model: AMTR SONERAI2 - Reported engine: AMTRVW VW2100VOLKS - People aboard: 1 - Fatal injuries: 0 - Pilot flight hours: 400 total, 5 in this make and model, 2 in the last 90 days - NTSB investigation: [NTSB LAX02LA051](https://openairdocs.org/ntsb/LAX02LA051) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20011217033759A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. (.19) ON DECEMBER 17, 2001, ABOUT 1150 HOURS PACIFIC STANDARD TIME, A VERNON SONERAI II, N6399D, AN EXPERIMENTAL AIRPLANE, LOST DIRECTIONAL CONTROL ON THE LANDING ROLL OUT ON RUNWAY 26, AND CAME TO REST INVERTED IN AN ADJACENT FIELD AT THE CAMARILLO AIRPORT, CAMARILLO, CALIFORNIA. THE AIRPLANE, OPERATED BY THE OWNER UNDER THE PROVISIONS OF 14 CFR PART 91, SUSTAINED SUBSTANTIAL DAMAGE. THE PRIVATE PILOT, THE SOLE OCCUPANT, WAS NOT INJURED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED FOR THE LOCAL AREA FLIGHT AND NO FLIGHT PLAN HAD BEEN FILED. THE AIRPLANE DEPARTED CAMARILLO ABOUT 1020 THE DAY OF THE ACCIDENT. THE SAFETY BOARD INVESTIGATOR INTERVIEWED THE PILOT. THE PILOT STATED THAT THE PURPOSE OF THE FLIGHT WAS TO PRACTICE MANEUVERS, AS WELL AS TO FULFILL THE EXPERIMENTAL CERTIFICATE OPERATING LIMITATIONS INITIAL 40-HOUR REQUIREMENT. HE INDICATED THAT HE HAD ACCRUED 5 HOURS OF FLIGHT TIME IN THE AIRPLANE, WHICH WAS ALSO THE TOTAL TIME ON THE AIRPLANE. AFTER DEPARTING CAMARILLO AIRSPACE, THE PILOT FLEW TOWARDS SANTA PAULA, ABOUT 10 MILES AWAY, TO PRACTICE MANEUVERS. HE FLEW ABOUT 1.5 HOURS BEFORE RETURNING TO CAMARILLO FOR LANDING. HE NOTED A SLIGHT CROSSWIND ON LANDING, BUT NOTHING UNUSUAL. HE LANDED THE AIRPLANE NORMALLY AND ON THE LANDING ROLLOUT, THE AIRPLANE STARTED TO GROUND LOOP. IT DEPARTED THE RUNWAY AND WENT INTO A FURROWED FIELD. THE NOSE GEAR COLLAPSED AND THE AIRPLANE NOSED OVER. THE PILOT STATED THAT HE NOTED NO DISCREPANCIES WITH THE AIRPLANE. (-23) N6399D, A VERNON SONERAI II EXPERIMENTAL AIRPLANE, LOST DIRECTIONAL CONTROL ON THE LANDING ROLL OUT ON RUNWAY 26 AND CAME TO REST INVERTED IN AN ADJACENT FIELD AT THE CAMARILLO AIRPORT, CAMARILLO, CA. THE OWNER/BUILER/PILOT OF THE AIRPLANE STATED THE LOSS OF CONTROL WAS A RESULT OF THE INHERENT AERODYNAMIC INSTABILITY THE AIRCRAFT POSSESSES, AND THE POSITION OF THE CENTER OF GRAVITY IN RELATION TO IT'S MAIN LANDING GEAR. HOWEVER, THE AIRCRAFT HAS BEEN PREVIOUSLY FLOWN AND LANDED SUCCESSFULLY BY THIS PILOT, ^PRIVACY DATA OMITTED^ THE PILOT STATED THAT HE INTENDS NOT TO FLY UNTIL HE REBUILDS THIS AIRCRAFT WITH A NEW TRICYCLE LANDING GEAR. HE REQUESTED THAT A RE-EXAMINATION BE PUT OFF UNTIL THAT TIME. LEGAL COUNSEL WAS CONSULTED IN ACCORDANCE WITH ORDER 8700.1, VOL. II, CHAPTER 1, SECTION 10, PARAGRA PH B. IN ACCORDANCE WITH LEGAL COUNSEL, THE PILOT, MR. FLIPPO, VOLUNTARILY DEPOSITED HIS AIRMAN CERTIFICATE PENDING SUCCESSFUL COMPLETION OF A 44709 RIDE. HE WAS ISSUED A TEMP PRIVATE PILOT WITH ASEL, STUDENT PURPOSES ONLY. ## 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 LAX02LA051](https://openairdocs.org/ntsb/LAX02LA051), Dec 17, 2001: Vernon Sonerai IIL (N6399D), Camarillo, CA, substantial damage. Probable cause: Failure of the pilot to maintain directional control on the landing rollout. Factors were the owner/pilot's inadequate remedial design changes and the freshly plowed field. ## Other reports on N6399D (1) Matched to the same aircraft by N-number and date. - [Incident 20040518007879I](https://openairdocs.org/incident/20040518007879I), May 18, 2004: Amtr SONERAI2 (N6399D), Camarillo, CA, Minor damage. (-23) Departed Camarillo, California airport runway 26, lost engine power when 100 feet AGL and force landed in dirt drainage area off the end of the runway.… 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. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.