D-Check

D-Check

What is a D-Check?

The Most Comprehensive Aircraft Maintenance

A D-Check represents the most thorough maintenance level for an aircraft, involving a complete overhaul of the airplane.

A D-Check is the most comprehensive and detailed check of an aircraft, encompassing a thorough inspection and overhaul.

• Frequency and Scope: It is performed approximately every 6-10 years, depending on the aircraft type and usage. This check involves a complete examination of the aircraft, including its structure, systems, and components.
• Process: During a D-Check, the aircraft is almost entirely disassembled for inspection and repair. This process can take several weeks to complete.
• Importance for Safety: D-Checks are critical for ensuring the long-term safety and airworthiness of the aircraft.

The D-Check represents the most extensive level of maintenance performed on an aircraft, essential for maintaining its safety and operational integrity over its lifespan.