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1945 American Champion PT-28A Spacewalker IISingle-Engine Piston Aircraft • McKinney, TX, USA

This 1945 North American PT-28A Spacewalker II, registered as NX533, is a unique experimental aircraft presented as the only PT-28A in existence. With a total airframe time of 98 hours, it is powered by a Continental O-200A 100-horsepower engine with 197 hours total time and 97 hours since its last major overhaul. The aircraft features a Poly-Fiber fabric covering completed in 2020 and has always been hangared. Its useful load is 408 pounds from a gross weight of 1,500 pounds, with a reported cruise speed of 98 MPH at 75% power while burning 6 gallons of fuel per hour from a total fuel capacity of 24 gallons.

The avionics suite is equipped...

Year
1945
Make
American Champion
Series
PT-28A
Model
PT-28A Spacewalker II
Tail #
NX533
Serial #
42-0814

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Specifications

Category
Single-Engine Piston
Intended Use
Classic / Antique, Military / Warbird, Recreational
Useful Load
408 lbs
Seats
2

Hours, Logs & Inspections

Total Time
98 hrs
Engine 1 Time
197 hrs (SNEW)
Engine 2 Time
97 hrs (SMOH)

Avionics

Comms

Garmin GTR 200 - GTR Transceiver

Transponder

Garmin 327 - Transponder

ADSB

uAvionics SkyBeaconEXP - ADS-B via compatible with iFly GPS with Wingtip Strobes

ADS-B In

ADS-B in/out via uAvionics compatible with iFly GPS

encoder

ACK A-30 - ACK Altitude Encoder

ELT

ACK E-04 - ACK 406mhz ELT

Additional Equipment

Tachometer

P-1000 - Digital Electronic Tach/Hourmeter

Generator

Delco 1101890 - P/N 20 amp generator

Voltage Regulator

Zeftronics - electronic voltage regulator

Ground Power Unit

GPU Plug, Ground power plug on Engine mount (Plug and cable included)

Tires and Wheels

Cleveland 6.00X6 - Main Tires/Wheels: solid steerable tailwheel

Brakes

Hydraulic Toe Brakes, Rear Cockpit

Fuel System

15 gallons in main fuselage tank and 4.5 gallons each in left and right-side center section with individual boost pump, fuel gauge, and pump "On" light for each pump, Engine driven fuel pump

Battery Charger

Concorde - Battery Charger with Charge Plug Included

Vacuum System

2" external Venturi for Vacuum turn/bank instrument with air filter

Compass

Vertical card compass rear cockpit installation with magnetic compensation

Oil Separator

Crankcase Air-Oil Separator system installed

Power Plug

Rear cockpit 12-volt power plug

Parachute

Seat pack parachute included if preferred to rear seat cushion

Canopies

Sliding canopies (front and rear) from North American T-6 airplane with new plexiglass in 2021

Windshield

Windshield Is original T-6 Glass windshield

Safety Features

Original Emergency side panels releases installed, Turnover pilot protection structure added to original Spacewalker II structure, Tie-down rings under wings

Baggage Compartment

Locking baggage compartment

Handholds

Wingtip handholds

Decorative Features

T-6 Reflector gun sight installed on front glare shield, Browning M1919A2 machine gun barrel installed on AT-6 cowling panel ahead of windshield as on AT-6 airplane (non-functional), Hawker Hurricane lighted landing gear position indicator on front cockpit instrument panel, Rear cockpit engine starter button with hinged cover from a Supermarine Spitfire airplane, Warning light for stuck engine starter solenoid, Rear cockpit control stick grip was new/in box for a P-51D airplane

Jigs and Tools

Engine mount firewall jig and wing steel drag tubes jigs included

Documentation

Full drawing set and construction manuals included, Large 3-ring binders with all construction components information

Interior & Exterior

Interior Rating
9/10
Paint Rating
9/10
Interior Notes
Two seats, full dual control and front instruments but no brakes in front cockpit. Rear cockpit only for Solo. No cockpit heater. Rear cockpit control stick grip was new/in box for a P-51D airplane.
Exterior Notes
Poly-Fiber fabric (2020) covering. All steel structures powder-coated light gray. All steel structures TIG-welded. Steel tubing fuselage and Tail assembly. Wood and fabric (Poly-Fiber) wings. Main landing gear extended 9 inches to allow installation of a radial engine with longer propeller.

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
TCM
Engine Model
O-200A
Engine Power
100 HP
Propeller Model
McCauley 1A101/DCM6948

Asking Price

$50,000

Aircraft Location

McKinney, TX, USA

Listing Details

Used
For Sale

Price History

Apr 4, 2026: $50,000(-$25,000) - trade-a-plane

Feb 22, 2026: $75,000 - trade-a-plane

Contact Seller

First Seen: Feb 22, 2026

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Asking Price

$50,000