1977 Cessna 421CMulti-Engine Piston Aircraft • Conroe , TX USA

This 1977 Cessna 421C, registration N90MK, is offered for $259,999 and based in Conroe, Texas (KCXO). The airframe has accumulated 4,726.5 total hours, with both left and right engines at 1,428.8 hours since major overhaul. Both propellers show 620.4 hours SMOH, and the heater has 1,002.2 hours. The aircraft underwent a complete annual inspection in February 2026.

Described as a very mechanically sound airplane, it is equipped with factory air conditioning, a GNS 430W, Apollo MX20, GTX 325 transponder, and a JPI engine monitor. Fuel capacity is 234 gallons. The seller notes that the aircraft has been flown extensively across the United...