Sea level engine Regulation
Sea level engine means a reciprocating aircraft engine having a rated takeoff power that is producible only at sea level.
Also defined in 2 more sources
A reciprocating engine whose rated takeoff power can be produced only at sea level.
Guidance: Aviation Maintenance Technician Handbook — Airframe, p. G-30
A reciprocating aircraft engine having a rated takeoff power that is producible only at sea level.
Guidance: Pilot's Handbook of Aeronautical Knowledge, p. G-26