🏷️ Basic Information Identification Make: Robinson Helicopter Company Model: R22 Year: N/A (Manual covers all production years) Generation: N/A (Manual covers all R22 variants) 📋 Manual Details Description Manual Type: Maintenance Manual Language: English Format Format: PDF Access Downloadable: Instant High Speed Download Features Printable: Yes Compatibility: Windows, Mac, Linux Requirements Reader Requirement: Adobe PDF Reader Navigation Ease Of Navigation: Extremely Easy to Navigate ⚙️ Engine Specifications Engine Details Engine Type: Lycoming O-320-B2C (typically) Engine Configuration: Horizontally Opposed, 4-Cylinder Displacement Displacement: 320 cubic inches (5.2 Liters) Power Output Max Takeoff Power: 150 hp Continuous Power: 131 hp 🔧 Transmission Rotor System Main Rotor System: Two-bladed, rigid, teetering Tail Rotor System: Two-bladed, pusher configuration 📐 Dimensions Overall Dimensions Fuselage Length: 23.7 ft (7.2 m) Main Rotor Diameter: 25.0 ft (7.6 m) Weight Empty Weight: Approx. 1,100 lbs (499 kg) Gross Weight Max: 1,500 lbs (680 kg) 🔧 Maintenance Service Schedule Recommended Overhaul Interval: 2,200 flight hours or 12 years Lubrication Engine Oil Type: Refer to Engine Manufacturer's Manual (typically aviation grade 50W or 20W-50) Engine Oil Capacity: 6 US quarts (5.7 Liters) 📄 Performance Speed Max Cruise Speed: 90 knots (104 mph, 167 km/h) Range Max Range: Approx. 250 nm (288 mi, 463 km) Hover Hover Ceiling Ige: Approx. 6,150 ft (1,875 m) at max gross weight 📄 Certifications Regulatory Certification Basis: FAA Part 27