Owner-Assisted Annual Savings Calculator

Supply labour under the supervising mechanic's direction: opening and closing panels, removing seats and interior, cleaning, servicing per Part 43 Appendix A preventive-maintenance items, and reassembly the supervisor inspects. The annual INSPECTION itself — the Appendix D scope, the determinations, the sign-off — belongs to the IA alone and no owner participation changes that. Shops vary in appetite; the arrangement only works where it's agreed explicitly up front.

Typically the access-labour share: on a simple fixed-gear single, 8–16 shop hours of opening/cleaning/closing is common, which at prevailing rates is real money against a base annual. Complex aircraft scale up. What it doesn't do is discount the inspection, parts or repairs — owners promised '50% off your annual' are being sold the wrong mechanism, which is why this calculator prices hours rather than percentages.

It's the better half of the deal, per most IAs who welcome assistance: an owner who has had every panel open knows where the fuel stains, chafe points and corrosion-prone seams are, notices changes between annuals, and writes better squawks all year. That knowledge compounds into earlier, cheaper fixes — a return the hourly arithmetic can't capture but every shop sees in which aircraft arrive with surprises.

Clearing site data deletes locally stored entries — that's the price of a genuinely private, server-free design. Protect yourself with the one-click CSV download before any cleanup, OS reinstall or device change: re-importing history later beats reconstructing it from memory.

Yes — one click exports your complete annual plan as a CSV file that opens in Excel, Google Sheets or Numbers. The export preserves every column exactly as entered, so you can print it, attach it to paperwork, or hand it to an inspector, buyer or insurance underwriter as a supporting summary alongside your official records.