# Accident 20050705018939A: Conaer LA4200, Conesus, NY, July 5, 2005 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: July 5, 2005, 14:00 local time - Place: Conesus, NY - Damage: Substantial damage - Phase of flight: Practice Training Manuevers - Operating rules: General operating rules (Part 91) - Location: 42.7078° N, 77.6922° W: From the FAA - Nearby events: https://openairdocs.org/map.md?lat=42.7078&lon=-77.6922&mi=10 - Aircraft: N6028V, a cancelled registration (https://openairdocs.org/deregistered/N6028V-2013-04-25) (OpenAirDocs) - Registry model: Consolidated Aeronautics LAKE LA-4-200 (registry code 2400108, https://openairdocs.org/model/consolidated-aeronautics-lake-la-4-200) (OpenAirDocs) - Registry engine: Lycoming I0360 SER A&C (registry code 41511, https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (OpenAirDocs) - Reported make and model: CONAER LA4200 - Reported engine: LYC IO360A1B - Fatal injuries: 0 - Pilot flight hours: 18,800 total, 400 in this make and model - NTSB investigation: [NTSB IAD05LA094](https://openairdocs.org/ntsb/IAD05LA094) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20050705018939A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. (-23) ON TUESDAY, JULY 5, 2005 AT 1406 EST, A LAKE AMPHIBIAN AIRCRAFT, LA-4-200 BEARING REGISTRATION NUMBER N6028V AND REGISTERED TO JUMP IN A LAKE INC., DEPARTED CONESUS LAKE IN CONESUS, NY. SHORTLY AFTER TAKEOFF, THE AIRCRAFT COLLIDED WITH TERRAIN THE TOWN OF CONESUS, NY. BOTH PERSONS ABOARD THE AIRCRAFT SUFFERED SERIOUS INJURIES AND WERE TRANSPORTED TO THE U OF R MEDICAL CENTER IN ROCHESTER, NY. THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED DURING THIS INSTRUCTIONAL FLIGHT CONDUCTED UNDER 14 CFR PART 91. STUDENT RECEIVING INSTRUCTION: ACCORDING TO THE PASSENGER OF THE AIRCRAFT, HE WAS THE BROTHER OF THE PILOT/INSTRUCTOR AND WAS RECEIVING INSTRUCTION DURING THE ACCIDENT FLIGHT. INSPECTORS ^PRIVACY DATA OMITTED^ OF THE FEDERAL AVIATION ADMINISTRATION (FAA) ROCHESTER, NY FLIGHT STANDARDS DISTRICT OFFICE COMPLETED AN INTERVIEW OF THE STUDENT PILOT AT THE U OF R MEDICAL CENTER HOSPITAL LOCATED IN ROCHESTER, NY ON JULY 6, 2005. HE WAS IN A NECK BRACE AND SUFFERED A COLLAPSED LUNG ALONG WITH MULTIPLE LACERATIONS THROUGHOUT HIS BODY. ACCORDING TO HIM, HE AND HIS BROTHER WERE PLANNING TO COMPLETE A LOCAL FLIGHT, DEPARTING FROM CONESUS LAKE FOLLOWING SOME WATER WORK, THEN C LIMBING TO A CRUISE ALTITUDE, COMPLETING SOME AIRWORK AND MANEUVERS, THEN LAND AT NEARBY DANSVILLE MUNICIPAL AIRPORT TO REFUEL. HE ADDED THAT FOLLOWING THE REFUELING, THEY PLANNED TO RETURN TO HIS BROTHER'S HOUSE ON CONESUS LAKE WHERE HIS BROTHER LATER PLANNED TO DEPART FOR NORTH CAROLINA LATER THAT EVENING. ACCORDING TO HIM THIS WAS TO BE AN INSTRUCTIONAL FLIGHT BECAUSE HIS BROTHER WAS TEACHING HIM TO FLY. AS A RESULT, HE STATED THAT THEY BEGAN BY TAXIING BACK AND FORTH DOWN THE LAKE SO HE COULD BECOME ACCUSTOMED TO THE AIRCRAFT HANDLING CHARACTERISTICS IN THE WATER, "LEARNING THE FEEL ON WATER." THEY THEN DEPARTED SOUTHBOUND AND CONTINUED THE CLIMB SOUTHBOUND OVER THE MARSH AREA LOCATED AT THE SOUTH END OF CONESUS LAKE. HE STATED THAT EVERYTHING APPEARED TO BE NORMAL; HE RETARDED THE THROTTLE TO THE APPROPRIATE MANIFOLD SETTING AS INSTRUCTED BY HIS BROTHER AND THEN ALSO ADJUSTED THE PROPELLER TO THE APPROPRIATE RPM SETTING. HE ADDED THAT HE THEN ALSO SET THE TRIM. HE STATED THAT THE CLIMB WAS COMPLETED AT AN AIRSPEED OF 65 KNOTS. WHILE STILL IN THE CLIMB, HE EXPLAINED THAT HIS BROTHER INSTRUCTED HIM TO COMPLETE A LEFT TURN IN AN EASTERLY HEADING. AFTER ENCOUNTERING RISING TERRAIN, HIS BROTHER INSTRUCTED HIM TO COMPLETE A RIGHT TURN IN A SOUTHERLY HEADING. HE FELT THE AIRCRAFT WOULD NOT CLIMB. ACCORDING TO HIM, AT THIS TIME HIS BROTHER "TOOK OVER" AND THEN THEY CRASHED. ^PRIVA^ CRAWLED OUT OF THE WRECKAGE AND RAN UP A HILL TO SEEK ASSISTANCE. HE RECALLS THAT IT WAS SUNNY DURING THE COURSE OF THEIR FLIGHT, BUT HE DOES REMEMBER HEARING THUNDER AS HE WORKED HIS WAY UP THE HILL SEEKING ASSISTANCE. HE ALSO REMEMBERS THAT IT WAS RAINING SHORTLY AFTER THE ACCIDENT BUT CANNOT RECALL THE AMOUNT OF TIME THAT TRANSPIRED BETWEEN THE ACCIDENT AND THE RAIN COMMENCED. HE DOES NOT RECALL EXPERIENCING ANY CONTROL PROBLEMS WITH THE AIRCRAFT OR ANOMALIES WITH THE ENGINE, JUST THAT IT DID NOT SEEM TO CLIMB, IN FACT "IT SEEMED LIKE IT WAS DESCENDING IN THE RIGHT TURN." HE FURTHER DOES NOT RECALL HEARING ANY CHANGE IN ENGINE POWER OR RECALL IF HIS BROTHER HAD MADE ANY ADJUSTMENTS TO THE POWER SETTING BEFORE IMPACT. HOWEVER, HE DOES RECALL HIS BROTHER ADJUSTING THE PROPELLER CONTROL JUST BEFORE IMPACT. HE ALSO ADDED THAT HE AND HIS BROTHER (IN PREPARATION FOR THEIR FLIGHT A DAY EARLIER ON MONDAY) USED A MEASURING DEVICE TO DETERMINE TAHT THERE WERE 17 GALLONS OF FUEL ABOARD THE AIRCRAFT. HE ADDED THAT ON THE MORNING OF THE ACCIDENT FLIGHT, HE HAD DRIVEN TO NEARBY DANSVILLE MUNICIPAL AIRPORT AND FILLED A FIVE-GALLON GAS CAN WITH AV-GAS. UPON RETURNING TO THE AIRCRAFT BEFORE THEIR FLIGHT, THEY ADDED THE FIVE GALLONS TO THE EXISTING 17. HE ALSO EXPLAINED THAT THE AIRCRAFT HAD UNDERGONE MAINTENANCE AT THE REPAIR STATION CB AVIATION AT THE CANANDAIGUA AIRPORT IN CANANDAIGUA, NY THE PREVIOUS FRIDAY, JULY 1, 2005. HE RECALLS THAT THE REPAIR STATION HAD COMPLETED REPAIRS TO THE HYDRAULIC SYSTEM OF THE AIRCRAFT. HE ALSO RECALLED HIS BROTHER EXPLAINING TO HIM THAT THE LANDING GEAR WOULD CONTINUE CYCLING OCCASIONALLY AS A RESULT OF THE RECENT MAINTENANCE TO THE HYDRAULIC SYSTEM. HIS BROTHER HAD EXPLAINED THAT EMPLOYEES OF THE REPAIR STATION HAD STATED THAT WAS NORMAL AS THE AIR WAS PURGED FROM THE HYDRAULIC SYSTEM. ## 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 IAD05LA094](https://openairdocs.org/ntsb/IAD05LA094), Jul 5, 2005: Consolidated Aeronautics Lake LA-4-200 (N6028V), Conesus, NY, substantial damage. Probable cause: The pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall and collision with terrain. 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.