What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Airman used tach time for fuel monitoring purposes. Didn't realize the differnce in hobbs vs tach time for fuel /flight monitoring purposes. Airman didn't understand that the replacement engine, being 180 HP vs 160 HP used more fuel and miscalculated his fuel furn at 10 gph when it was closer to 13GPH. Airman made a fuel stop at sac city, IA, kski. Aiport was notamed no fuel available and he did not see that NOTAM until he landed there. That cost him fuel additional fuel that he didn't have for this trip.
As the FAA filed it
AIRMAN USED TACH TIME FOR FUEL MONITORING PURPOSES. DIDN'T REALIZE THE DIFFERNCE IN HOBBS VS TACH TIME FOR FUEL /FLIGHT MONITORING PURPOSES. AIRMAN DIDN'T UNDERSTAND THAT THE REPLACEMENT ENGINE, BEING 180 HP VS 160 HP USED MORE FUEL AND MISCALCULATED HIS FUEL FURN AT 10 GPH WHEN IT WAS CLOSER TO 13GPH. AIRMAN MADE A FUEL STOP AT SAC CITY, IA, KSKI. AIPORT WAS NOTAMED NO FUEL AVAILABLE AND HE DID NOT SEE THAT NOTAM UNTIL HE LANDED THERE. THAT COST HIM FUEL ADDITIONAL FUEL THAT HE DIDN'T HAVE FOR THIS TRIP.
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 N1374F · 1
Matched to the same aircraft by N-number and date.