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1977 Cessna 421CMulti-Engine Piston Aircraft • Irvine, CA, USA

This 1977 Cessna 421C Golden Eagle, registration N6633T, presents as a well-cared-for example of the pressurized eight-passenger piston twin, offered at $385,000. The airframe has accumulated 4,230 total hours, with engine times of 320 hours since factory remanufacture on the left and 920 hours on the right; both are Continental GTSIO-520-L 375-horsepower units. Propeller times are 220 hours since overhaul for each. The aircraft is listed as used, configured for IFR flight, and is equipped with a Garmin GTN750 GPS/NAV/COM, a Garmin 696 panel-mounted unit, Collins VHF 25T and VIR 35T, a Garmin GTX 335 transponder with ADS-B Out, a directional...

Year
1977
Make
Cessna
Series
421 Golden Eagle
Model
421C
Tail #
N6633T
Serial #
421C-0277

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Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger
Flight Rules
IFR
Useful Load
2,218 lbs
Seats
8

Hours, Logs & Inspections

Total Time
4,230 hrs
Engine 1 Time
320 hrs (SMOH)
Engine 2 Time
920 hrs (SMOH)
Prop 1 Time
220 hrs (SOH)
Prop 2 Time
220 hrs (SOH)
Inspection Status
A very complete and timely annual inspection was completed. During the inspection, two cylinders on the 920-hour engine were found to be on the low side and were replaced with RAM-supplied overhauled cylinders. These have since been flown and broken in according to RAM instructions. The annual also included replacing brake discs, pucks, and calipers with new replacements, new tires, a new main battery, and numerous smaller items, making this aircraft ready to go to work for the new buyer. Annual was signed off January 2026.

Avionics

GPS

Garmin 750 - WAAS-Enabled GPS/Comm Providing Precision Approach Capability

Comms

Collins VHF25T - Comm, NAV

AP

Cessna Navomatic - Auto Pilot With Altitude Hold Yaw Dampner

ADSB

Garmin GTX335 - Transponder With ADS-B Out

ADS-B In

Garmin GTX335 - Transponder With ADS-B Out

EMS

Insight - Dual System

Additional Equipment

Air Conditioning

Freon Air Conditioning

Oxygen System

Fire Detection/Extinguishing

Nacelle Fire Detection & Extinguishing System

Fuel System

Long-Range Fuel System (262 Gallons)

Directional Gyro with Decision Height Light

Interior & Exterior

Interior Year
2026
Paint Year
2011
Interior Notes
In January, a completely new interior was completed while doing the very extensive annual inspection. Beautiful tan leather seats with pilot and co-pilot seats done in lambswool. New side panels with fabric inserts, new cream-colored headliner, beautiful light tan wool carpet, dual warm burlwood veneer executive tables, and dividers.
Exterior Notes
In the past 5 years: new tinted heated pilot windshield, new co-pilot windshield, and all new side windows. All windows are in very nice condition. Paint was done in 2011 and remains nice and glossy with only minor exceptions.

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
GTSIO-520-L
Engine Power
375 HP

Asking Price

$385,000

Aircraft Location

Irvine, CA, USA

Listing Details

Used
For Sale

Price History

Sep 7, 2026: $385,000 - trade-a-plane

Apr 22, 2026: $385,000(-$40,000) - controller

Jan 20, 2026: $425,000(+$20,000) - controller

+3 more price changes

Contact Seller

First Seen: Oct 31, 2025

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Asking Price

$385,000