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1978 Cessna 421CMulti-Engine Piston Aircraft • Billings, MT, USA

This 1978 Cessna 421C Golden Eagle, registered as N421MD, presents a comprehensively upgraded piston twin maintained for reliable IFR flight. With 7,304 hours total time on the airframe, the aircraft features engines that were overhauled or installed as new in 2020, with both Continental GTSIO520 powerplants showing 537 hours since factory overhaul and 1,063 hours remaining until TBO. The aircraft is equipped with MT 4-blade composite swept blade propellers with 537.1 hours since new and a RAM Aircraft prop synchrophaser. Key performance features include a useful load of 2,285 pounds, FIKI certification, and PowerPak wing spoilers.

The...

Year
1978
Make
Cessna
Series
421 Golden Eagle
Model
421C
Tail #
N421MD
Serial #
421C0516

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Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger
Flight Rules
IFR
Useful Load
2,285 lbs
Seats
8

Hours, Logs & Inspections

Total Time
7,304 hrs
Engine 1 Time
537 hrs
Engine 2 Time
537 hrs
Prop 1 Time
537.1 hrs (SNEW)
Prop 2 Time
537.1 hrs (SNEW)
Logbook Status
Complete Logs
Inspection Status
Annual Completed April 2025; F.A.R. 91.411 & F.A.R. 91.413 c/w March 2024; ELT Battery Pack Due Replacement June 2027; New O2 Bottle Feb 2022; O2 Bottle Hydrostatically Tested 4/2025 - Next Due April 2028; Nitrogen Gear Blowdown Bottle O/H + Hydro Test Feb 2022; LH Nacelle Fire Extinguisher Bottle Hydro Test March 2023; RH Nacelle Fire Extinguisher Bottle Hydro Test March 2023

Avionics

GPS

Garmin GTN 750 - GTN and GTN GPS Units

PFD

Garmin G600 TXI - TXI Primary Flight Display and GDU Primary Flight Display

MFD

Garmin G600 TXI - TXI Multi-Function Display

Autopilot

Garmin GFC 600 - GFC Autopilot with Yaw Damper

Weather

Garmin GWX-70 - Weather Radar with 12" Array

Traffic

BF Goodrich SKY497 - Active Traffic with BF TAS Blended with ADS-B TIS-B

ADS-B Out

Garmin GTX 345R - GTX and GTX Transponders

Audio

Garmin GMA-35c - with Bluetooth for Cell Phone Use

EMS/EIS

L-3 EIS-500 - Engine Monitor with Standby EFIS with ADAHRS

Additional Equipment

Pressurized

Pressurized Cabin

Oxygen System

Oxygen System with New O2 Bottle Feb 2022

Flight Into Known Icing

FIKI Certified with Like-New Boots Throughout and FIKI DC Heated Windshield

Air Conditioning

Keith Air Conditioning - System

Radar Altimeter

Bendix/King KRA-10A - Radar Altimeter

DME

Bendix/King KN-63 - Remote DME Displayed on Both PFDs

Satellite Weather

Garmin GDL-69A - FIS and Sirius/XM Music for Crew and Passengers

Spoilers

PowerPak Wing Spoilers

Vortex Generators

ATS Vortex Generators

Alternators

PlanePower Alternators - High Capacity

ELT

Ack 406 - ELT with GPS Position

Interior & Exterior

Interior Notes
Eight Belted Seats Including Lav/Potty Seat and Aft Jump Seat; Lav with Privacy Curtain and Aft Full Refreshment Cabinet; Working B&D Cabin Display and Chronometer; USB Charge Ports for Crew and at Both Cabin Entertainment Tables; Tinted Cabin Windows; Avion Padded Control Yokes with Revised O/H Maplight Rheostats
Exterior Notes
Aircraft Has Been Repainted; See Photos for Paint Scheme; All External LEDs; MT 4-Blade Composite Props; Aft Fuselage Strakes; Main Gear Wheel Speedhubs

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
GTSIO-520
Engine Power
375 HP
Propeller Model
MTV-16-1-E

Asking Price

$725,000

Aircraft Location

Billings, MT, USA

Listing Details

Used
For Sale

Price History

Nov 19, 2025: $725,000 - controller

Contact Seller

First Seen: Nov 19, 2025

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Asking Price

$725,000