What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The flight was to view a football game in bozeman, MT. The intended flight plan
Was a VFR flight from kbkx to krap for fuel, then from krap to kbzn via an IFR
Flight plan. A preflight check was performed prior to departure. No
Abnormalities were seen on preflight. 0.5 qts of phillips 20W-50 x/c aviation oil
Was added to the engine, this resulted in a full sump of 10 qts. Fuel on board the
Aircraft was 50 gallons. The airplane was loaded with the passengers and was
Within the weight and balance limits of the airplane. The mtow was 3,050 lbs at
Departure. The engine started normally and all engine instruments were checked
Normal. The airplane taxied to runway 30 for runup, which was performed with no
Abnormalities detected. The aircraft taxied onto the runway for departure and full
Throttle was slowly added. All engine instuments and observations were normal.
The aircraft was lifted off at 78 mph and a normal climb began. The climb was set
Up for a cruise climb, with the propellar RPM adjusted back to 2500. The landing
Gear was not retracted yet. At approximately 200-400 ft AGL, a moderate to
Severe engine vibration was felt. The engine monitor was not showing emergency
Warnings, however, the RPM was dropping to 2300 RPM. The mixture was
Confirmed full rich, the throttle confirmed full throttle, and the propellar RPM
Moved back to the full RPM position. It was determined that the power plant was
Producing partial power, so the aircraft was leveled out and a wide left turn was
Started to return immediately to the runway. When perpendicular to the runway
Heading, the stall warning horn was audible. Upon hearing the stall warning horn,
The aircraft was leveled out and pitched down to prevent a stall. A flat, grassy area
Was selected for a forced landing. The airplane impacted the ground and slid to a
Stop. A post-impact fire ensued and the crew and passengers egressed from the
Aircraft. The fire eventually engulfed the entire fuselage of the aircraft. The EMS
Was contacted immediately. The Brookings police, fire department, and
Ambulance services responded to the incident. All on board were taken to the
Brookings regional hospital for medical attention. Two people were both airlifted to sioux falls, SD for further medical attention.
As the FAA filed it
THE FLIGHT WAS TO VIEW A FOOTBALL GAME IN BOZEMAN, MT. THE INTENDED FLIGHT PLAN
WAS A VFR FLIGHT FROM KBKX TO KRAP FOR FUEL, THEN FROM KRAP TO KBZN VIA AN IFR
FLIGHT PLAN. A PREFLIGHT CHECK WAS PERFORMED PRIOR TO DEPARTURE. NO
ABNORMALITIES WERE SEEN ON PREFLIGHT. 0.5 QTS OF PHILLIPS 20W-50 X/C AVIATION OIL
WAS ADDED TO THE ENGINE, THIS RESULTED IN A FULL SUMP OF 10 QTS. FUEL ON BOARD THE
AIRCRAFT WAS 50 GALLONS. THE AIRPLANE WAS LOADED WITH THE PASSENGERS AND WAS
WITHIN THE WEIGHT AND BALANCE LIMITS OF THE AIRPLANE. THE MTOW WAS 3,050 LBS AT
DEPARTURE. THE ENGINE STARTED NORMALLY AND ALL ENGINE INSTRUMENTS WERE CHECKED
NORMAL. THE AIRPLANE TAXIED TO RUNWAY 30 FOR RUNUP, WHICH WAS PERFORMED WITH NO
ABNORMALITIES DETECTED. THE AIRCRAFT TAXIED ONTO THE RUNWAY FOR DEPARTURE AND FULL
THROTTLE WAS SLOWLY ADDED. ALL ENGINE INSTUMENTS AND OBSERVATIONS WERE NORMAL.
THE AIRCRAFT WAS LIFTED OFF AT 78 MPH AND A NORMAL CLIMB BEGAN. THE CLIMB WAS SET
UP FOR A CRUISE CLIMB, WITH THE PROPELLAR RPM ADJUSTED BACK TO 2500. THE LANDING
GEAR WAS NOT RETRACTED YET. AT APPROXIMATELY 200-400 FT AGL, A MODERATE TO
SEVERE ENGINE VIBRATION WAS FELT. THE ENGINE MONITOR WAS NOT SHOWING EMERGENCY
WARNINGS, HOWEVER, THE RPM WAS DROPPING TO 2300 RPM. THE MIXTURE WAS
CONFIRMED FULL RICH, THE THROTTLE CONFIRMED FULL THROTTLE, AND THE PROPELLAR RPM
MOVED BACK TO THE FULL RPM POSITION. IT WAS DETERMINED THAT THE POWER PLANT WAS
PRODUCING PARTIAL POWER, SO THE AIRCRAFT WAS LEVELED OUT AND A WIDE LEFT TURN WAS
STARTED TO RETURN IMMEDIATELY TO THE RUNWAY. WHEN PERPENDICULAR TO THE RUNWAY
HEADING, THE STALL WARNING HORN WAS AUDIBLE. UPON HEARING THE STALL WARNING HORN,
THE AIRCRAFT WAS LEVELED OUT AND PITCHED DOWN TO PREVENT A STALL. A FLAT, GRASSY AREA
WAS SELECTED FOR A FORCED LANDING. THE AIRPLANE IMPACTED THE GROUND AND SLID TO A
STOP. A POST-IMPACT FIRE ENSUED AND THE CREW AND PASSENGERS EGRESSED FROM THE
AIRCRAFT. THE FIRE EVENTUALLY ENGULFED THE ENTIRE FUSELAGE OF THE AIRCRAFT. THE EMS
WAS CONTACTED IMMEDIATELY. THE BROOKINGS POLICE, FIRE DEPARTMENT, AND
AMBULANCE SERVICES RESPONDED TO THE INCIDENT. ALL ON BOARD WERE TAKEN TO THE
BROOKINGS REGIONAL HOSPITAL FOR MEDICAL ATTENTION. TWO PEOPLE WERE BOTH AIRLIFTED TO SIOUX FALLS, SD FOR FURTHER MEDICAL ATTENTION.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N1310A · 2
Matched to the same aircraft by N-number and date.