Pure glider JS3. 15m and 18m tips. Pristine condition - no scratches, no dings. Brand new mylar professionally installed. Sealed, quiet, fast. LxNav system with biggest display, LX9070, includes Hawk high performance inertial variometer option. V8 vario plus spare V8 in the box. ClearNav display doubles as backup computer, backup vario and features outstanding thermal directing functionality. Three Lithium batteries - switch any instrument to any battery. EDS oxygen with carbon fiber 3000 PSI Mountain High bottle. Cobra aluminum top trailer with numerous options: drawer, anti-sway hitch, aft support jacks, roll off workshop ramps, wing stands, tow out gear etc . Two canopy covers - a tie-down cover plus a light canopy cap for staging. Pee tube. Water ballast loading system pumps water into both wings and tail at the same time. Miscellaneous JS3 spares included. World speed record: 1000K triangle. Buy a pristine soaring machine today spec'd to the max. Huge discount to factory order and with zero manufacturing and shipping wait.
More Information
Make Jonker Sailplanes
Model JS3-18
Marketplace Status Sold
Marketplace Currency USD
Type Pure Sailplane
Seats 1
FAI Class 18m
Canopy Cover Yes
Full Covers No
Oxygen EDS electronic delivery; high capacity carbon fiber bottle
Ground Handling tail dolly tow out gear, wing wheel, wing stands
CG Release Yes
Nose Release Yes
Trailer Condition Rating
Trailer 2019 Aluminum top Cobra very large front storage, drawer, anti-sway, aft jack supports
Other 1 Air Avionics traffic display ATD-57: Flarm and ADS-b traffic (Flarm ADS-R option)
Other 2 phone holder with USB-C power
Nav 1 LXNav LX9070 / V8 vario (including 1 spare V8 vario)
Nav 2 ClearNav vario with outstanding thermal guidance function
Transponder Trig TT22 (high power version) with ADS-b functionality
Radio Trig TY91
Flight Computer LXNav 9070 with Hawk high performance inertial option
Compass none
Altimeter Altitude plus AGL altitude on LX9070; Altitude on ClearNav
Vario LXNav V8 (with spare) + ClearNav vario
Air Speed Winter
Engine Unburdened by maintenance, fueling, inspections. Full wing loading range!
Aircraft Exterior
Aircraft Interior
Last Inspection 3/1/2026
Total Time 405
Year 2019
Certificate Type Experimental
S/N 03-034
Registration N33GW
Flarm Core
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You're reviewing:Jonker Sailplanes JS3-18
SOLD ON: 2026-04-13 00:00:00
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