The Younkin-Dake Mullicoupe is a two-place monoplane hybrid of a Monocoupe 90 and Mister Mulligan, a Howard DGA-6.

Famous inventor, builder, and restorer, Jim Younkin of Springdale, Arkansas with help from Bud Dake of Missouri, designed, engineered and built three Mullicoupes by 1997. The idea of this design came to Younkin and Dake in 1982 after a discussion about Younkin’s recently finished replica of the legendary racing airplane, Mister Mulligan. Bud Dake suggested they design a 2-seat aircraft which would be as fast as the Mister Mulligan but powered by a smaller P&W R-985 engine. Younkin then designed a scale model which was somewhat of a cross between the Benny Howard-designed Mister Mulligan but with the fuselage shape of a Monocoupe. The Mullicoupes are a clean-sheet design utilizing a steel tube fuselage double-covered in fabric with built up wood wings skinned in aircraft plywood. The airfoil used on the Mullicoupe is the NACA 23012 having a chord of 63″, but with an elliptical and tapered planform. The flaps are full Fowler flaps that travel on hidden hinges built into the wings, which is another Younkin original design.

Three original Mullicoupes were created and a fourth was started but has yet to be finished. At present they are owned by Mark Holliday, and Red Lerille and the Ala Doble Flying Collection. The fourth Mullicoupe, previously owned by Stein Bruch of Minnesota, is currently owned by Clu Colvin of Oklahoma. The Black/Red Mullicoupe N274Y which was completed by Bud Dake, is owned by Mark Holliday of Minnesota. Mr. Holliday is known to travel extensively with this black and red Mullicoupe, making appearances at fly-ins.

This particular Mullicoupe N273X was acquired by the Ala Doble Flying collection in 2021 directly from the estate of Jim Younkin. It went through a partial restoration not long after by Rick Atkins at Rag Time Aero in California. It currently resides at the Ala Doble Flying Ranch where it is maintained in flying condition. It is one of the more regularly flown aircraft in the flying collection.