What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The pilot and flight instructor were on a night IFR training flight in VMC conditions. The flight was from kojc, johnson county executive airport, olathe, Kansas to ktul, Tulsa International Airport, Tulsa Oklahoma.
Approximately 30 minutes from ktul the alternator warning light illuminated. The pilot performed loss of power procedures listed in the POH. The alternator did not reset and the alternator warning light remained illuminated.
The pilot started reducing the electrical load to battery to save electrical power. Tulsa approach was contacted and informed of the electrical failure. Tulsa approach offered runway 36R for landing.
During the downwind leg for 36R the landing gear was selected down. The gear started down but there was a complete electrical failure and the pilot was unable to verify the landing gear was down and locked. The pilots attempted to manual extend the landing gear the emergency landing gear handle would only turn a few turns. After the few turns on the emergency gear handle the pilot continued his landing. The tower was unable to verify the landing gerar was down due to night conditions.
Tulsa tower shot the green light from the tower allowing the pilot to land.
During the aircraft landing the landing gear was only partially extended and collapsed on touch down. The propeller struck the runway and damaged the propeller by bending the blades aft.
Plane was towed on a flatbed from runway to Tulsa air, the Beechcraft service center on the field.
The aircraft was lifted from the ground and the landing gear emergency gear handle was used the lower the landing gear. The main landing gear came down with the emergency gear handle but the nose landing gear control rods were damaged and had to be disconnected to lower the nose gear. The landing gear emergency system seemed to function properly.
The external connections and mounting of the alternator seemed to be properly installed.
The cause of the electrical failure was not determined.
As the FAA filed it
THE PILOT AND FLIGHT INSTRUCTOR WERE ON A NIGHT IFR TRAINING FLIGHT IN VMC CONDITIONS. THE FLIGHT WAS FROM KOJC, JOHNSON COUNTY EXECUTIVE AIRPORT, OLATHE, KANSAS TO KTUL, TULSA INTERNATIONAL AIRPORT, TULSA OKLAHOMA.
APPROXIMATELY 30 MINUTES FROM KTUL THE ALTERNATOR WARNING LIGHT ILLUMINATED. THE PILOT PERFORMED LOSS OF POWER PROCEDURES LISTED IN THE POH. THE ALTERNATOR DID NOT RESET AND THE ALTERNATOR WARNING LIGHT REMAINED ILLUMINATED.
THE PILOT STARTED REDUCING THE ELECTRICAL LOAD TO BATTERY TO SAVE ELECTRICAL POWER. TULSA APPROACH WAS CONTACTED AND INFORMED OF THE ELECTRICAL FAILURE. TULSA APPROACH OFFERED RUNWAY 36R FOR LANDING.
DURING THE DOWNWIND LEG FOR 36R THE LANDING GEAR WAS SELECTED DOWN. THE GEAR STARTED DOWN BUT THERE WAS A COMPLETE ELECTRICAL FAILURE AND THE PILOT WAS UNABLE TO VERIFY THE LANDING GEAR WAS DOWN AND LOCKED. THE PILOTS ATTEMPTED TO MANUAL EXTEND THE LANDING GEAR THE EMERGENCY LANDING GEAR HANDLE WOULD ONLY TURN A FEW TURNS. AFTER THE FEW TURNS ON THE EMERGENCY GEAR HANDLE THE PILOT CONTINUED HIS LANDING.THE TOWER WAS UNABLE TO VERIFY THE LANDING GERAR WAS DOWN DUE TO NIGHT CONDITIONS.
TULSA TOWER SHOT THE GREEN LIGHT FROM THE TOWER ALLOWING THE PILOT TO LAND.
DURING THE AIRCRAFT LANDING THE LANDING GEAR WAS ONLY PARTIALLY EXTENDED AND COLLAPSED ON TOUCH DOWN. THE PROPELLER STRUCK THE RUNWAY AND DAMAGED THE PROPELLER BY BENDING THE BLADES AFT.
PLANE WAS TOWED ON A FLATBED FROM RUNWAY TO TULSA AIR, THE BEECHCRAFT SERVICE CENTER ON THE FIELD.
THE AIRCRAFT WAS LIFTED FROM THE GROUND AND THE LANDING GEAR EMERGENCY GEAR HANDLE WAS USED THE LOWER THE LANDING GEAR. THE MAIN LANDING GEAR CAME DOWN WITH THE EMERGENCY GEAR HANDLE BUT THE NOSE LANDING GEAR CONTROL RODS WERE DAMAGED AND HAD TO BE DISCONNECTED TO LOWER THE NOSE GEAR. THE LANDING GEAR EMERGENCY SYSTEM SEEMED TO FUNCTION PROPERLY.
THE EXTERNAL CONNECTIONS AND MOUNTING OF THE ALTERNATOR SEEMED TO BE PROPERLY INSTALLED.
THE CAUSE OF THE ELECTRICAL FAILURE WAS NOT DETERMINED.
Other reports on N66801 · 1
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