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1978 Cessna 340AMulti-Engine Piston Aircraft • Upland, CA, USA

This 1978 Cessna 340A, registered as N15WM, presents a well-equipped pressurized twin with 3,670 hours total time on the airframe. The aircraft features a RAM VI conversion to 335 HP and benefits from recently overhauled powerplants, with both engines showing 1,630 hours since major overhaul and both propellers at 1,630 hours since overhaul, all completed in early 2020. The aircraft carries a useful load of 1,779 pounds and is configured for IFR flight with six seats.

The panel has been comprehensively upgraded with a modern avionics suite including a Garmin GTN 750XI, Garmin 430W, Aspen EFD 1000 PFD, and Avidyne EX500 MFD. The aircraft is...

Year
1978
Make
Cessna
Series
340
Model
340A
Tail #
N15WM
Serial #
340A0523

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Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger
Flight Rules
IFR
Useful Load
1,779.02 lbs
Seats
6

Hours, Logs & Inspections

Total Time
3,670 hrs
Engine 1 Time
163 hrs (SMOH)
Engine 2 Time
163 hrs (SMOH)
Prop 1 Time
163 hrs (SOH)
Prop 2 Time
163 hrs (SOH)
Logbook Status
Complete Logs No Known Damage History
Inspection Status
Annual Inspection Due 08/2026, IFR Pitot/Static Test Due, ELT Due 06/2027

Avionics

GPS

Garmin GTN 750XI - GTN GPS Nav Comm, GTN GPS Nav Comm

PFD

Aspen EFD-1000 - Pro PFD

MFD

Avidyne EX500 - MFD

Autopilot

Garmin GFC 600 - GFC Auto Pilot

Audio

Garmin GMA 35 - GMA Audio Panel

ADS-B Out

Garmin GTX 330ES - Transponder ADS-B

EMS/EIS

JPI EDM 960 - JPI EDM Primary Engine Data Management System

Comms

Garmin GTN 750XI - GTN GPS Nav Comm, GTN GPS Nav Comm

Additional Equipment

Air Conditioning

Cessna Air Conditioning System STC to 134A Refrigerant

ELT

Artex ME406 - ELT

Clock

Davtron M811B - Clock

Spoilers

Spoilers per STC SA4948NM

Synchrophaser

RAM Synchrophaser

Vortex Generators

IFR Approved Micro VG's with 5% Take off Weight Increase

Sun Visors

Rosin Sun Visors

Interior & Exterior

Interior Notes
Nice Paint White with White and Grey Stripes Upholstery Very Clean Leather Grey
Exterior Notes
Nice Paint White with White and Grey Stripes

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
TSIO-520-JcNcNB
Engine Power
335 HP
Propeller Model
Hartzell PHC-C3YF-2VF Blade Model FC-7663DB-2Q

Asking Price

$431,999

Aircraft Location

Upland, CA, USA

Listing Details

Used
For Sale

Price History

Nov 28, 2025: $431,999 - controller

Nov 25, 2025: $431,999(-$24,000) - trade-a-plane

Oct 28, 2025: $455,999 - trade-a-plane

+3 more price changes

Contact Seller

First Seen: Oct 11, 2025

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Asking Price

$431,999