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1978 Cessna 340AMulti-Engine Piston Aircraft • Westport, OK, USA

This 1978 Cessna 340A (N4579N) presents an attractive opportunity with recent major upgrades and low-time powerplants. The aircraft shows 10,780 total hours but features freshly overhauled RAM-converted Continental TSIO-520-NB engines with only 294 hours since major overhaul on both powerplants, paired with propellers showing 27 hours since overhaul. The aircraft received a fresh annual inspection and features IFR certification with a capable avionics suite including a Garmin GNS 430, Century IV autopilot with yaw damper, Stratus ESG for ADSB In/Out capability, and a BendixKing audio panel.

Recent upgrades include a 2018 paint job, 2020...

Year
1978
Make
Cessna
Series
340
Model
340A
Tail #
N4579N
Serial #
340A0479

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Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger
Flight Rules
IFR
Useful Load
1,687 lbs
Seats
5

Hours, Logs & Inspections

Total Time
10,780 hrs
Engine 1 Time
294 hrs (SMOH)
Engine 2 Time
294 hrs (SMOH)
Prop 1 Time
27 hrs (SPOH)
Prop 2 Time
27 hrs (SPOH)
Inspection Status
Fresh annual

Avionics

GPS

Garmin GNS 430

Autopilot

Century IV - IV Autopilot

Audio

BendixKing KMA-24H - Audio Panel

ADS-B Out

Stratus ESG

ADS-B In

ADSB In/Out

PFD

Horizon Flight Director

Additional Equipment

Anti-Collision Light

Whelen Orion 500 LED - LED Anti-Collision Light (2020)

Landing Light

Whelen LED Wingtip - LED Landing Light (2020)

Strobe Assembly

Cessna 402B Strobe Assembly - (2025)

Interior & Exterior

Paint Year
2018
Exterior Notes
Year Painted: 2018

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
TSIO-520-NB

Asking Price

$274,000

Aircraft Location

Westport, OK, USA

Listing Details

Used
For Sale

Price History

Jul 8, 2025: $274,000 - trade-a-plane

Contact Seller

First Seen: Jul 8, 2025

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Asking Price

$274,000