# Accident 20230511006919A: Krupa Vernon J 5151 MUSTANG, Hector, MN, May 11, 2023 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: May 11, 2023, 12:17 local time - Place: Hector, MN - Airport: Hector Municipal - Damage: Substantial damage - Phase of flight: Landing: Approach - Operating rules: General operating rules (Part 91) - Location: 44.7496° N, 94.7350° W: From the FAA - Nearby events: https://openairdocs.org/map.md?lat=44.7496&lon=-94.7350&mi=10 - Aircraft: N91026, a cancelled registration (https://openairdocs.org/deregistered/N91026-2024-05-18) (OpenAirDocs) - Registry model: Krupa Vernon J 5151 MUSTANG (registry code 05610PU, https://openairdocs.org/model/krupa-vernon-j-5151-mustang) (OpenAirDocs) - Registry engine: Bombardier ROTAX (ALL) (registry code 09050, https://openairdocs.org/engine/bombardier-rotax-all) (OpenAirDocs) - Reported make and model: KRUPA VERNON J 5151 MUSTANG - Reported engine: BOMBARDIER ROTAX (ALL) - People aboard: 1 - Fatal injuries: 0 - Other injuries: 0 - Pilot certificates: Commercial pilot - NTSB investigation: [NTSB CEN23LA182](https://openairdocs.org/ntsb/CEN23LA182) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20230511006919A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. EXPERIMENTAL AMATEUR BUILT 5151 MUSTANG EMERGENCY LANDING SHORT OF RUNWAY 12. PIC HAD JUST COMPLETED A FUEL TANK MODIFICATION. AFTER GROUND RUNNING AIRCRAFT AT A HIGH-POWER SETTING FOR APPROXIMATELY 30 MINUTES A TEST FLIGHT WAS PERFORMED. DURING THIS TEST FLIGHT THE ENGINE LOST POWER BUT WAS STILL RUNNING. THE PIC CALLED ANOTHER AIRCRAFT THAT WAS ON APPROACH TO LAND. THE PIC OF THE OTHER AIRPLANE STATED HE WAS ABOUT 3 MINUTES OUT. THE ACCIDENT PILOT BELIEVED THAT HE HAD ENOUGH POWER TO MAINTAIN FLIGHT AND LET THE OTHER AIRCRAFT LAND FIRST. AFTER THE OTHER AIRCRAFT LANDED THE ACCIDENT PILOT WAS ATTEMPTING TO MAKE THE FINAL TURN TO RUNWAY 12 BUT WAS UNABLE TO MAINTAIN ALTITUDE AN IMPACTED THE GROUND IN A SOFT FIELD 250 FEET FROM THE END OF THE RUNWAY BOUNCING AND BREAKING OFF THE MAIN LANDING GEAR. NO INJURIES, SUBSTANTIAL DAMAGE. THE PIC RECOVERED THE AIRCRAFT AND PLACED IN A HANGAR PRIOR TO NOTIFYING THE FAA. THE PIC STATED THAT HE HAD SELECTED THE NEWLY INSTALLED FUEL TANK DURING RUNUP AND FLIGHT AND THAT THERE COULD BE A PROBLEM WITH THE FUEL TANK VENT THAT CAUSED FUEL STARVATION. DURING POST RECOVERY INSPECTION THE FOLLOWING DAMAGE WAS NOTED: 2 PROPELLER BLADES BROKEN WITH GRASS IN BREAK, 2 PROPELLER BLADES APPEAR UNDAMAGED DAMAGE TO LOWER COWLING FIREWALL AND OIL COOLER MAIN LANDING GEAR BROKEN OFF HOLE IN LEFT UPPER WING SKIN NEAR GEAR ATTACH POINT (THE PIC STATED HE CUT THE HOLE TO INSPECT FOR DAMAGE) BROKEN WING RIB AND LOWER SPAR CAP DAMAGE AT LEFT MAIN GEAR ATTACH POINT UNABLE TO INSPECT THE RIGHT WING FOR DAMAGE DUE TO AIRCRAFT POSITION DAMAGE TO LOWER FUSELAGE STRUCTURE AFT OF THE WINGS (THE PIC STATED THIS DAMAGE OCCURRED WHEN HE PUT A STRAP AROUND THE AIRCRAFT AND LIFTED IT WITH A FORKLIFT DURING RECOVERY) ALSO, THE FRONT CARBURETOR WAS FOUND OUT OF ITS MOUNTING FLANGE. THE CLAMP SECURING IT WAS LOOSE ENOUGH THAT CARBURETOR WAS ABLE TO PUT IT BACK IN THE FLANGE AND REMOVE IT WITHOUT LOOSENING THE CLAMP. ## 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 CEN23LA182](https://openairdocs.org/ntsb/CEN23LA182), May 11, 2023: Loehle Acft 5151 Mustang (N91026), Hector, MN, substantial damage. Probable cause: A total loss of engine power due to fuel starvation as a result of the pilot’s modifications to the fuel system. Contributing to the accident was the pilot’s decision to continue the takeoff despite… 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.