Lycoming O-360-J2A
The factory-derated 145-horsepower O-360 model installed in Robinson R22 Beta II and Mariner II helicopters.
Identity
- Aliases
- O-360-J2A
- Domains
- aviation
- Identity Level
- variant
- Kind
- piston-engine
- Name
- Lycoming O-360-J2A
- Status
- active
Details
- Description
- The factory-derated 145-horsepower O-360 model installed in Robinson R22 Beta II and Mariner II helicopters.
- Developers
- Family
- Manufacturers
- Piston Specs
- Aspiration
- naturally aspirated
- Configuration
- horizontally opposed
- Cylinder Count
- 4
- Displacement L
- 5.92
- Max Power Kw
- 108.1
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 23:30:41 UTC
- Updated Time
- July 29, 2026 at 23:32:07 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Note
- Defines the O-360 product family and includes operating data for the O-360-J2A model.
- Publisher
- Lycoming Engines
- Title
- Operator’s Manual — O-360 and Associated Models
- Accessed Date
- 2026-07-29
- Note
- Maps O-320-A2B/A2C to standard R22 aircraft, O-320-B2C to R22 HP/Alpha/Beta, and O-360-J2A to Beta II/Mariner II; publishes their rated and derated power.
- Publisher
- Robinson Helicopter Company
- Title
- R22 Maintenance Manual — Chapter 6, Powerplant