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Single-Engine Piston

1971 GARDAN GY-20

$20,803 fyiEstimate $207,500–$212,500 How this estimate is built

Starts from the median asking price of 3243 comparable Single-Engine Piston listings ($275,000), then adjusts for:

  • Year -30 vs comparable listings -20.0%
  • Engine time +1,502 hr vs comps -4.5%

Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.

1971
HB-SAC
RHR1
1
📍 Gordola, Switzerland

Overview

Make / ModelGARDAN GY-20
TypeSingle-Engine Piston
Airframe time
Engine time2,178 STOH
Avionics / OtherTrig TY91

Description

Total Time: 1659 hours Engine Continental A65, Serial Number T-026450 (hand start) Total Time: 2178 hours SOH: 780 hours Overhauled in 1987 by Wili Bern Shock load inspection performed at TSOH: 416:09 in June 2000 by Cermec-Motor after accident occurred on another aircraft Reassembled in August 2001 Installed on HB-SAC in August 2001 Compression values taken in May 2021: 1: 76/80, 2: 74/80, 3: 76/80, 4: 76/80 Wood Propeller Merville 693B, Serial Number N 17506 TSOH: 288 hours Manufactured in 1962 Overhauled in 2006

Modifications

Wheel Fairings Solar Panel Battery Charger

Avionics

VHF COM Trig TY91 with TC90 Controller Trig TT21 Mode S Transponder with TC20 Controller Artex ME406 ELT (Battery expires 06/2026)

General

Year1971
ManufacturerGARDAN
ModelGY-20
Registration #HB-SAC
Serial NumberRHR1
ConditionUsed
Total Time1,659

Engine

Engine 1 Time2,178 STOH

Avionics

Avionics/RadiosVHF COM Trig TY91 with TC90 Controller Trig TT21 Mode S Transponder with TC20 Controller Artex ME406 ELT (Battery expires 06/2026)

Additional Equipment

Additional EquipmentWheel Fairings Solar Panel Battery Charger