The ICAO ADREP system is a databank of worldwide accident/incident info for large commercial aircraft. Which of the following is true about its scope?

• A. Large commercial aircraft
• B. General aviation
• C. Military aircraft
• D. Unmanned aircraft

Answer: (A)

The thing being tested is what kinds of aircraft are included in ICAO’s ADREP database. ADREP is a databank of worldwide accident and incident information for civil aviation, focused on large commercial transport aircraft. This focus means it tracks events involving big, air-transport-category airplanes used in civil operations to analyze safety trends in commercial aviation globally.

That’s why the best answer points to large commercial aircraft. The other options don’t fit because they cover areas outside civil, large-transport aviation: general aviation refers to smaller private and recreational aircraft, military aircraft cover armed forces operations, and unmanned aircraft are drones. Those categories aren’t the scope of ADREP, which centers on civil, large-scale commercial air transport.