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

This 1971 Gardan GY-20, registered as HB-SAC with serial number RHR-1, is an amateur-built example with 1,659 total hours on the airframe. The empty weight is 338.5 kg against a maximum takeoff weight of 515 kg. It is powered by a Continental A65 engine (serial T-026450) with 2,178 total hours, overhauled in 1987 by Wili Bern and featuring 780 hours since overhaul. The engine underwent a shock load inspection at 416 hours since major overhaul in June 2000 by Cermec-Motor after an accident occurred on another aircraft, and was reassembled and installed on this airframe in August 2001. Compression values taken in May 2021 are 76/80 on...

Year
1971
Make
Gardan
Series
GY-20-1
Model
GY-20
Tail #
HB-SAC
Serial #
RHR1

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Specifications

Category
Experimental
Intended Use
Recreational
Cruise Speed
85 kts

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

Traffic

Trig TT21 - Mode S Transponder with TC20 Controller

ADSB

Trig TT21 - Mode S Transponder with TC20 Controller

Additional Equipment

Wheel Fairings

Installed

Solar Panel Battery Charger

Installed

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

$20,921

Aircraft Location

Locarno, Ticino, Switzerland

Listing Details

Used
For Sale

Price History

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

May 7, 2026: $21,155(+$47) - controller

May 1, 2026: $21,108(+$338) - controller

+43 more price changes

Contact Seller

First Seen: Apr 20, 2025

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Asking Price

$20,921