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1980 Cessna 340AMulti-Engine Piston Aircraft • Oklahoma City, OK, USA

This 1980 Cessna 340A, registered as N4304C, presents as a well-maintained twin with a total airframe time of 3,732 hours. Its operational readiness is underscored by both Continental TSIO-520-NB engines having 204 hours since major overhaul (SMOH) in 2016, complemented by Hartzell three-blade propellers with 204 hours since new (SNEW). The aircraft is equipped for known icing conditions with excellent boots and a recent windshield hot plate, and it features American Aviation intercoolers, a JB Air (134a) air conditioning system, and vortex generators for a gross weight increase to 6,390 pounds, yielding a useful load of 1,712 pounds.

The...

Year
1980
Make
Cessna
Series
340
Model
340A
Tail #
N4304C
Serial #
1011

Find similar aircraft

Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger
Useful Load
1,712 lbs
Seats
6

Hours, Logs & Inspections

Total Time
3,732 hrs
Engine 1 Time
204 hrs (SMOH)
Engine 2 Time
204 hrs (SMOH)
Prop 1 Time
204 hrs (SNEW)
Prop 2 Time
204 hrs (SNEW)
Logbook Status
All Logs Since New

Avionics

GPS

Garmin GNS 430W - WAAS GPS/Comm

Comms

King KY-197 - Digital Comm w/Glideslope, Digital Nav, Digital DME, Digital ADF w/Flight Timer

AP

Cessna 400B IFCS - IFCS Autopilot, FD

Audio

King KMA-24 - Audio Panel

ADSB

King KT-74 - Transponder (ADSB-Out)

PFD

Sandel S3308 - HSI

Additional Equipment

Intercoolers

American Aviation Intercoolers

Air Conditioning

JB Air - JB (134a)

Ice Protection

Known Ice with excellent Boots, Recent Windshield w/Hot Plate for Known Ice

Engine Monitor

King Radar Insight G4 - Twin Engine Monitor

Hobbs Meter

Vortex Generators

VG's for Gross Weight 6390lbs.

Interior & Exterior

Interior Notes
Nice Paint & Leather Interior, Original and in Very Nice Shape, 6-Place Leather
Exterior Notes
Nice Paint, No Damage

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
TSIO-520-NB
Propeller Model
Hartzell 3-Blade PHC-C3Y

Asking Price

$309,900

Aircraft Location

Oklahoma City, OK, USA

Listing Details

Used
For Sale

Price History

Feb 4, 2026: $309,900(-$10,000) - trade-a-plane

Aug 28, 2025: $319,900(-$10,000) - trade-a-plane

Jun 3, 2025: $329,900 - trade-a-plane

Contact Seller

First Seen: Jun 3, 2025

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Asking Price

$309,900