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1971 Gardan GY-20Experimental Aircraft • Locarno, Ticino, Switzerland

This 1971 Gardan GY-20, registration HB-SAC, is an amateur-built example with serial number RHR1, manufactured in Switzerland by Mr. Kurt Riesen following the original drawings. Classified as a homebuilt (non-EASA), it is offered at $20,746 USD and has accumulated 1,659 total hours on the airframe. The aircraft is powered by a Continental A65 engine, serial number T-026450, with 2,178 total hours and 780 hours since overhaul, the overhaul completed in 1987 by Wili Bern. A shock load inspection was performed at 416:09 hours time since overhaul in June 2000 by Cermec-Motor following an accident that occurred on another aircraft; the engine was...

Year
1971
Make
Gardan
Series
GY-20
Model
GY-20
Tail #
HB-SAC
Serial #
RHR1

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Specifications

Category
Experimental
Intended Use
Recreational

Hours, Logs & Inspections

Total Time
1,659 hrs
Engine 1 Time
2,178 hrs
Prop 1 Time
288 hrs

Avionics

Comms

Trig TY91 - VHF COM with TC90 Controller

ADSB

Trig TT21 - Mode S Transponder with TC20 Controller

GPS

Artex ME406 - ELT

Additional Equipment

Wheel Fairings

Solar Panel

Solar Panel Battery Charger

Interior & Exterior

Interior Notes
Red and White Vinyl and Fabric
Exterior Notes
White and Red

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
A65
Propeller Model
Merville 693B

Asking Price

$20,746

Aircraft Location

Locarno, Ticino, Switzerland

Listing Details

Used
For Sale

Price History

Aug 13, 2026: $20,746(+$33) - controller

Jul 31, 2026: $20,713(-$208) - controller

May 16, 2026: $20,921(-$234) - controller

+45 more price changes

Contact Seller

First Seen: Apr 20, 2025

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Asking Price

$20,746