From The Internet Movie Plane Database
Mel Gibson (Sgt. Martin Riggs)
Danny Glover (Sgt. Roger Murtaugh)
Gary Busey (Mr. Joshua)
Mitch Ryan (Gen. Peter McAllister)
Tom Atkins (Michael Hunsaker)
Darlene Love (Trish Murtaugh)
Sgt. Riggs is on the verge of of a complete breakdown when he is partnered with an ageing homicide veteran, Sgt. Murtaugh. Although their first case appears to be a clear cut, it soon turns into a hail of bullets and madness which leaves both Riggs and Murtaugh on a personal mission.
First used by Shadow Company to assassinate Michael Hunsaker, and later appears in the scene in the desert. Registration N230CA, Serial 2779. Same aircraft in other movies at IMPDb: Frequently Seen Aircraft.