Cessna 140
Flight Crew Private
Flight Crew Last 90 Days 20; Flight Crew Total 1500; Flight Crew Type 70
Time Pressure
Aircraft Equipment Problem Critical
Flight Crew Landed in Emergency Condition
Aircraft
Engine lost RPM's during flight to ZZZ. Could not maintain altitude. [Notified ATC]. Was in contact with [TRACON]. Landed in a hayfield with no injury and no damage to aircraft.
C140 pilot reported engine losing power and landing off-airport.