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

This 1977 Cessna 421C, registration N6633T, is positioned as a ready-to-put-in-service example of what is often considered the Rolls Royce of piston twins. The airframe shows a total time of 4,230 hours with no known damage history. Power comes from two engines; engine one has 920 hours since major overhaul (SMOH) against a 1,600-hour TBO, while engine two has 320 hours SMOH against the same TBO. The propellers were overhauled 220 hours ago.

The avionics suite is anchored by a Garmin GTN 750 and a Garmin 696 panel-mounted unit, paired with Collins VHF-25T and VIR-35T radios, a directional gyro with decision height light, a Garmin GTX 335...

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
Seats
8

Hours, Logs & Inspections

Total Time
4,230 hrs
Engine 1 Time
920 hrs (SMOH)
Engine 2 Time
320 hrs (SMOH)
Prop 1 Time
220 hrs
Inspection Status
Fresh February 2026 Annual inspection

Avionics

GPS

Garmin GTN 750

Comms

Collins VHF 25T

AP

Cessna Navomatic - Auto Pilot With Altitude Hold And Yaw Damper

EMS

Insight Graphic Engine Monitoring System - Dual

ADSB

Garmin GTX 335 - GTX Transponder W/ADSB Out

Additional Equipment

Directional Gyro with Decision Height Light

Cessna 421C Specific Equipment

Garmin 696 - panel mounted

Collins VIR 35T

Interior & Exterior

Interior Notes
Brand new, Beautiful Tan leather 8 place Interior, new Carpet, new side panels and new headliner.
Exterior Notes
Beautiful glossy paint

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Model
IO-540

Asking Price

$385,000

Aircraft Location

Irvine, CA, USA

Listing Details

Used
For Sale

Price History

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

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

Dec 4, 2025: $405,000(-$10,000) - controller

+2 more price changes

Contact Seller

First Seen: Oct 31, 2025

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Asking Price

$385,000