What is a CDL? What does it tell us?

What is a CDL? What does it tell us?

• A. Configurations Deviations List. Tells us what equipment is allowed to be inoperative on the inside of the aircraft.
• B. Cargo Deviation Language. Tells us what cargo is allowed.
• C. Configuration Data Ledger. Tells flight routes.
• D. Configurations Deviations List. Tells us what equipment is allowed to be inoperative on the outside of the aircraft.

Answer: (D)

A CDL identifies what exterior equipment on the aircraft may be inoperative and still allow the airplane to be dispatched. The key idea is that it covers deviations from the normal exterior configuration and specifies the conditions under which those deviations are acceptable for flight. This helps crews determine when a flight can proceed despite certain exterior items not functioning, within the rules and limitations set by the operator and applicable regulations. It’s different from items that would be covered by internal systems, cargo rules, or route data, which are governed by other documents.

A CDL identifies what exterior equipment on the aircraft may be inoperative and still allow the airplane to be dispatched. The key idea is that it covers deviations from the normal exterior configuration and specifies the conditions under which those deviations are acceptable for flight. This helps crews determine when a flight can proceed despite certain exterior items not functioning, within the rules and limitations set by the operator and applicable regulations. It’s different from items that would be covered by internal systems, cargo rules, or route data, which are governed by other documents.