1/2 Share – Thorp S-18
$NZD75,000
This is a rare opportunity to purchase a ½ share in an Ardmore-based Thorp S-18 (180HP) — a fast, efficient cross-country performer cruising at 150–155 KTAS.
The syndicate for MBY was formed in 2017 and has operated successfully with 2 owners. One owner now has moved away, creating this opportunity to join a well-established partnership. Hangar space at Ardmore is difficult to secure, making this share even more valuable.
MBY is set up for cross-country VFR flying in controlled and uncontrolled airspace. It’s ideal for pilots wanting to build experience and hours efficiently.
The aircraft is in the Amateur Built category, meaning replacement parts or newly fitted parts do not need to be certified — helping keep ongoing costs manageable.
💰 Ownership & Costs
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Fixed costs: $1,400 per month (includes hangar, insurance, maintenance)
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Flying cost: $175 per hour (includes fuel)
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Healthy engine bank balance of over $6,000 included in sale
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Aircraft and engine hours subject to change (regularly flown)
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Engine in airworthy condition
Performance & Weights
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Cruise: 140 KIAS (approx. 150–155 KTAS at altitude)
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Fuel burn: approx. 33 litres/hour in cruise
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1,300 fpm climb
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Gross weight: 1,800 lbs (817 kg)
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Useful load: 550 lbs (283 kg)
Fuel System
Additional Features
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Converted from nosewheel to tailwheel in 2020
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Night VFR capable
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Corrosion free
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First flight: 6 October 2007
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Maintained to high standard by AeroTech at Ardmore
🎥 Video
Aircraft video available here:
👉 https://www.trademe.co.nz/a/motors/aircraft/aircraft/listing/5778122883?bof=L4jIbdPU
Location
Ardmore, Auckland, New Zealand
Engine Specifications
Lycoming O-360-A1A (180HP)
Propeller Specifications
Fixed pitch wooden propeller
Avionics
Garmin G5 x2 (Primary flight display + heading/compass linked to GPS)
Garmin Aera 660 Touchscreen GPS
Grand Rapids EIS Model 2000 engine monitor
Trig Avionics radio
Trig Avionics transponder with ADS-B Out
ADS-B In (via tablet or phone)
EZ Pilot wing-leveler autopilot (follows GPS course)