# Accident 20121201025859A: Hansen David Daniel HANSEN RV-4, Mt Ulla, NC, December 1, 2012 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: December 1, 2012, 11:30 local time - Place: Mt Ulla, NC - Airport: Private Mcconnel Grass Strip A - Damage: Substantial damage - Phase of flight: Cruise/Level Flight - Operating rules: General operating rules (Part 91) - Location: 35.3417° N, 79.4369° W: From the FAA - Nearby events: https://openairdocs.org/map.md?lat=35.3417&lon=-79.4369&mi=10 - Aircraft: N416DH, a cancelled registration (https://openairdocs.org/deregistered/N416DH-2018-02-13) (OpenAirDocs) - Registry model: Hansen David Daniel HANSEN RV-4 (registry code 05608HR, https://openairdocs.org/model/hansen-david-daniel-hansen-rv-4) (OpenAirDocs) - Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs) - Reported make and model: HANSEN DAVID DANIEL HANSEN RV-4 - Reported engine: LYCOMING 0-320 SERIES - People aboard: 2 - Fatal injuries: 0 - Other injuries: 2 - Pilot certificates: Commercial pilot - NTSB investigation: [NTSB ERA13LA072](https://openairdocs.org/ntsb/ERA13LA072) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20121201025859A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. N416DH WAS FUELED AT LAKE NORMAN AIRPORT (14A) JUST PRIOR TO IT'S SERIES OF FLIGHTS ON DECEMBER 1, 2012. THE AIRCRAFT DEPARTED 14A ENROUTE TO LONG ISLAND AIRPARK NC26. THE RIGHT FUEL TANK WAS SELECTED FOR THIS LEG. THE AIRCRAFT LANDED AT NC26. THE PILOT IN THE REAR POSITION GOT OUT OF THE AIRCRAFT FOR A SHORT TIME AND THEN RETURNED TO THE AIRCRAFT. THE ENGINE WAS RUNNING THE ENTIRE TIME. THE TANK SELECTION REMAINED ON THE RIGHT TANK AND THE AIRCRAFT DEPARTED NC26 ENROUTE TO ROWANN COUNTY(RUQ). SHORTLY AFTER DEPARTURE AND AT AN ALTITUDE OF 3, 000FT THE AIRCRAFT BEGAN LOOSING POWER AND MISFIRING. THE PILOT IN THE REAR INSTRUCTED THE FLYING PILOT TO SWITCH TO THE LEFT TANK , APPLY CARB HEAT , BOOST PUMP ON AND MIXTURE TO RICH. THE AIRCRAFT CONTINUED TO LOOSE POWER. THE PILOT IN THE REAR POSITION TOOK CONTROL OF THE AIRCRAFT. THE AIRCRAFT CIRCLED A GRASS STRIP(PRIVATE MCCONNEL FIELD, 1965 TRIPLLET RD, MT ULLA NC) THAT THE FLYING PILOT HAD NOTICED 3 TIMES THEN LINED UP TO TO LAND IN A WESTERLY DIRECTION. THE AIRCRAFT WAS HIGH AND FAST. THE FLYING PILOT TRIED TO SLIP THE AIRCRAFT AND WAS TO TOUCH DOWN ABOUT A THIRD OF THE WAY DOWN FROM THE THRESHOLD OF THE STRIP. HE THEN NOTICED VEHICLES MOVING ABOUT, BUILDINGS AND A ROAD. THE FLYING PILOT DECIDED TO COME UP OVER A HANGAR THEN BANK THE AIRCRAFT SHARPLY TO THE LEFT IN AN EFFORT TO MAKE ANOTHER FIELD JUST BEYOND A TREE LINE. WHEN BANKING LEFT THE AIRCRAFT STALLED AND STARTED TO GO INTO A SPIN . THE PILOT RECOVERED FROM THE SPIN AS THE AIRCRAFT IMPACTED THE GROUND IN AN FLIGHT LEVEL CONDITION THEN TRAVELED 35 FEET IN A SOUTHERLY DIRECTION INTO THE TREE LINE. BOTH FUEL TANKS WERE RUPTURED AS A RESULT OF THE IMPACT HOWEVER BOTH TANKS SHOWED NO EVIDENCE OF FUEL. THE CRASH SITE DID NOT HAVE ANY DISCOLORATION OF FOLIAGE OR THE ODOR OF FUEL. THE SALVAGE COMPANY VERIFIED THAT FINDING AND FURTHER STATED NO FUEL IN THE LINE TO THE ENGINE.AT THE CRASH SITE THE FUEL SELECTOR WAS TO THE LEFT TANK, BOOST PUMP OFF, MIXTURE RICH, THROTTLE JUST OFF CLOSE STOP, MASTER OFF, MAG OFF. NOTE THE RIGHT FUEL TANK WAS REMOVED RESEALED AND REINSTALLED BY THE OWNERS PRIOR TO THIS FLIGHT. THE TOTAL TIME FROM DEPARTURE FROM 14A TO THE CRASH SITE WAS 20 MINUTES. THE TANKS WHEN DEPARTING 14A SHOULD HAVE BEEN FULL, 16 IN EACH FOR A TOTAL OF 32 WITH 2 UNUSABLE. ## 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 ERA13LA072](https://openairdocs.org/ntsb/ERA13LA072), Dec 1, 2012: Hansen David Daniel RV-4 (N416DH), Carthage, NC, substantial damage. Probable cause: A partial loss of engine power for reasons that could not be determined because postaccident examinations of the engine and fuel system revealed no anomalies that would have precluded normal… 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.