Small Aircraft
Flight Crew Flight Instructor; Flight Crew Commercial
Flight Crew Last 90 Days 70; Flight Crew Total 330
Troubleshooting; Time Pressure; Confusion; Distraction
ATC Issue All Types; Aircraft Equipment Problem Critical
Flight Crew Landed in Emergency Condition; Flight Crew Returned To Departure Airport
Aircraft
Engine was not producing normal power during initial climb through 2;000 feet at full power input; oil temperature and pressure indications normal during takeoff roll; but out of normal range during remainder of flight; including landing. [Requested immediate return] to obtain landing priority; since tower controller attempted to sequence our aircraft behind traffic we could not see at the moment. Landed without incident; other traffic was instructed to go around.
A GA Pilot's engine was not producing normal power during initial climb even at full power input. All engine indications were normal during takeoff roll but were out of normal range for the remainder of the flight. The Pilot returned to land without incident.