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1978 Cessna 421CMulti-Engine Piston Aircraft • Bellefontaine, OH, USA

This 1978 Cessna 421C Golden Eagle, registration N21SS, is a well-maintained pressurized piston twin offering a modern avionics suite and a strong mechanical history. Based in Bellefontaine, Ohio, the airframe has accumulated 5,231 total hours with no known major damage history and complete, continuous logbooks. The right engine, a Continental GTSIO-520-L, was overhauled by RAM Aircraft to New Parts Limits in May 2020 and has just 231 hours since overhaul. The left engine shows 1,098 hours since major overhaul, with recent top-end work including an overhauled #3 cylinder completed in March 2024. Both Hartzell three-blade propellers were...

Year
1978
Make
Cessna
Series
421 Golden Eagle
Model
421C
Tail #
N21SS
Serial #
421C0473

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Specifications

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

Hours, Logs & Inspections

Total Time
5,231 hrs
Engine 1 Time
1,098 hrs (SMOH)
Engine 2 Time
231 hrs (SMOH)
Prop 1 Time
1,553 hrs (SNEW)
Prop 2 Time
1,553 hrs (SNEW)
Logbook Status
Complete and continuous logbooks included, with no known major damage history
Inspection Status
Annual inspection completed August 7, 2025 by Midwest Corporate Air. IFR certification completed March 21, 2026 by Achievement Aviation of Ohio

Avionics

PFD

Garmin G600 - Primary Flight Display, S/N 3M5002075

AP

Garmin GFC 600 - GFC Digital Autopilot, Installed January 2024, STC SA01844WI

Weather

Garmin GWX 75 - GWX Color Weather Radar, Installed January 2024

ADSB

Garmin GTX 345R - ADS-B In/Out, S/N 3EH023797

ADS-B In

Garmin GTX 345R - ADS-B In/Out, S/N 3EH023797

EMS

JPI EDM760-6C - JPI S/N STC SA00729SE

Additional Equipment

Air Conditioning

Air conditioning installed; compressor overhauled May 2024

Oxygen System

Oxygen system installed; hydrostatic test due March 2029

Fuel Flow System

Shadin - fuel flow system installed and operational

Exhaust System

RAM Exhaust Risers - New RAM with new gaskets and hardware fitted to the left engine

Standby Instrument

L3 ESI-500 - Electric Standby, S/N 2412

Landing Gear

Landing gear system overhauled November 2022

Hydraulic Pump

Left hydraulic pump overhauled December 2025

Lighting

Whelen Orion 650 - LED Position and Strobe Lights, Installed September 2025

Interior & Exterior

Interior Notes
Executive club arrangement with center table

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
GTSIO-520-L
Engine Power
375 HP
Propeller Model
Hartzell HC-C3YN-2UF

Asking Price

$549,000

Aircraft Location

Bellefontaine, OH, USA

Listing Details

Used
For Sale

Price History

Jun 2, 2026: $549,000 - controller

Contact Seller

First Seen: Jun 2, 2026

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Asking Price

$549,000