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1939 Porterfield CollegiateSingle-Engine Piston Aircraft • Cashmere, WA, USA

This 1939 Porterfield Aircraft Company Collegiate, 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 original logbooks dating back to 1939. Power comes from a 50-horsepower Continental A50 overhauled in 2022 and now showing 5 hours since major overhaul; propeller time is unknown. The seller states the aircraft is believed to be the only known flying example in the United States and one of only four known to exist worldwide, with another reportedly flying in London, one displayed at the Western Antique Aeroplane & Automobile Museum in Hood...

Year
1939
Make
Porterfield
Series
CP50
Model
Collegiate
Tail #
N25422
Serial #
596

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Specifications

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

Hours, Logs & Inspections

Total Time
1,270 hrs
Engine 1 Time
5 hrs (SMOH)
Logbook Status
Original logbooks from 1939; digital logbooks available upon inquiry
Inspection Status
Restoration completed June 2024, returned to flying condition

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

Used
For Sale

Price History

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

Contact Seller

First Seen: Oct 22, 2026

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Asking Price

$36,500