UH-4 Commuter/Limitations
Never Exceed Speed (Vne): 100 knots Maximum RPM: 3050 RPM Minimum RPM with collective Raised: 300 RPM Maximum Manifold Pressure: 29 in. Max Gross Weight: 1600 lb Oil: min 4 quarts, max 6 quarts Fuel: max 20 gallons of 100LL AvGas