Understanding AD Compliance in 2025: What Every Aircraft Owner Needs to Know
Airworthiness Directives are one of the most misunderstood — and most consequential — parts of aircraft ownership. Here's a practical guide to staying legal without losing your weekends.
Understanding AD Compliance in 2025
Airworthiness Directives (ADs) are legally enforceable regulations issued by the FAA to correct unsafe conditions that exist in a product. For aircraft owners, AD compliance is not optional — it is the single most common cause of aircraft being grounded during an annual inspection.
What is an Airworthiness Directive?
The FAA issues an AD when a condition is found to exist that is unsafe, and that condition is likely to exist in other products of the same type design. ADs apply to the aircraft, engine, propeller, or appliance regardless of whether the owner has actually observed the unsafe condition.
The three things every owner needs to track
1. Applicability — Does this AD apply to your specific aircraft by serial number, model, or engine?
2. Compliance method — What action is required (inspection, part replacement, modification)?
3. Compliance interval — Is it a one-time action or recurring? Calendar-based or hours-based?
How myaircraft.us helps
Upload your logbooks and aircraft registration, and our AI cross-references every open AD for your make, model, and serial against the work actually performed in your records. Missed compliance items are flagged before your next annual — not during it.