Huey Leader: 4 OH-13 and F11

The Huey Leader Expansion #4: Ghost Riders for the Dan Verssen Games (DVG) board game adds a new fixed-wing and a new rotary-wing aircraft, along with new pilots, missions, and objectives to the core game. 

Based on general details about the Huey Leader expansions, each typically includes:

One new fixed-wing aircraft

One new rotary-wing (helicopter) aircraft

A mix of new pilots, missions, and objectives 

The Huey Leader game itself is a solitaire wargame where players command a squadron of US helicopters and supporting fixed-wing aircraft during the Vietnam War. The "Ghost Riders" expansion specifically enhances this experience with more content to vary gameplay.