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1939 Porterfield CP-50Single-Engine Piston Aircraft • Cashmere, WA, USA

This 1939 Porterfield CP-50, registration N25422, serial number 596, is a rare pre-war classic presented by Seitz Aviation. The airframe shows 1,270 hours total time and retains its original logbooks from 1939. Power comes from a 50-horsepower Continental A50 overhauled in 2022, now showing 5 hours since major overhaul against an 1,800-hour TBO, with maximum engine speed of 1,900 RPM; propeller time is unknown.

The aircraft's history is noteworthy: it last flew in 1948, when it was flown to Yakima and its engine removed for overhaul. During the engine work a windstorm overturned the aircraft and caused substantial damage, and the owner...

Year
1939
Make
Porterfield
Series
CP-50
Model
CP-50
Tail #
N25422
Serial #
596

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Specifications

Category
Single-Engine Piston
Intended Use
Classic / Antique, Recreational
Flight Rules
VFR
Seats
2

Hours, Logs & Inspections

Total Time
1,270 hrs
Engine 1 Time
5 hrs (SMOH)
Logbook Status
Original logbooks from 1939

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
A50
Engine Power
50 HP

Asking Price

$36,500

Aircraft Location

Cashmere, WA, USA

Listing Details

For Sale

Price History

Oct 24, 2026: $36,500 - aircraftforsale

Oct 22, 2026: $36,500 - trade-a-plane

Contact Seller

First Seen: Oct 22, 2026

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Asking Price

$36,500