Who it is for
Owners, buyers, sellers, and brokers who need a supportable figure for a specific airframe before a negotiation.
Overview
What Windsock does
Windsock values general aviation aircraft and shows the market data sitting behind the number. A tail number is the starting point: from an N-number it returns an estimated current value, a set of comparable aircraft, and how prices for that make and model have been moving.
Follow-up questions can address the factors that push a value around, among them avionics fit, hours since engine overhaul, damage history, and where the aircraft is based, as well as how long comparable airframes tend to sit before selling. The app also reaches FAA registry records, airworthiness directives, and airport level detail down to current weather and forecast fuel prices.
Windsock states plainly that its figures are model generated and meant for information. They are not a certified appraisal.
What stands out
The estimate arrives with its supporting evidence attached, comparables and price trends and FAA records, along with a clear statement that it is not an appraisal.
Availability
Where Windsock is listed
Windsock is listed in the ChatGPT apps directory only. Windsock has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.
ChatGPT listing
In the ChatGPT apps directory
- Developer
- Windsock
- Filed under
- Data & Analytics
- Listed since
- June 2026
- Authentication
- Authenticates when installed
- Website
- windsock.ai
- Policies published
- Privacy policy · Terms of service
- Official listing
- Open in ChatGPT
- Snapshot
- August 2026
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This is an independent catalogue entry compiled by Node8 from Windsock's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Windsock, and inclusion here is not an endorsement.
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