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

This 1977 Cessna 421C, registration N90MK (serial number 421C-0282), is a pressurized piston twin offered for sale at 205,000 USD and based in Montgomery, Texas. The airframe shows 4,726.5 hours total time, and the seller notes that hours will change slightly as the aircraft is still in use. Complete logs are included, the most recent annual was completed in February 2026, and the aircraft is described as airworthy.

Power comes from a pair of turbocharged Continental GTSIO520 engines rated at 375 horsepower each, both showing 1,428 hours since major overhaul against a 1,600-hour TBO. The engines are paired with three-blade aluminum McCauley...

Year
1977
Make
Cessna
Series
421 Golden Eagle
Model
421C
Tail #
N90MK
Serial #
421C-0282

Find similar aircraft

Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger
Flight Rules
IFR

Hours, Logs & Inspections

Total Time
4,726.5 hrs
Engine 1 Time
1,428 hrs (SMOH)
Engine 2 Time
1,428 hrs (SMOH)
Prop 1 Time
620 hrs (SMOH)
Prop 2 Time
620 hrs (SMOH)
Logbook Status
Complete logs
Inspection Status
Annual complete: 2/26

Avionics

GPS

Garmin GNS 430W

MFD

Apollo MX20

ADSB

Garmin GTX 325

EMS

JPI Engine Monitor

Additional Equipment

Auxiliary Fuel Tank

Vortex Generators

Vortex generators installed

Pressurization

Pressurized

Oxygen System

Flight Into Known Icing (FIKI)

Air Conditioning

A/C

Propeller Sync

Props sync

Interior & Exterior

Exterior Notes
Paint touch up done in 2026

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
GTSIO520
Engine Power
375 HP
Propeller Model
McCauley 3-blade Aluminum

Asking Price

$205,000

Aircraft Location

TX, USA

Listing Details

Used
For Sale

Price History

Oct 22, 2026: $205,000(-$9,999) - controller

Oct 10, 2026: $214,999(-$5,000) - controller

Oct 1, 2026: $219,999(-$4,999) - controller

+4 more price changes

Contact Seller

First Seen: Jun 2, 2026

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Asking Price

$205,000