What should be done if an aircraft is unable to couple for a mode I approach?

When an aircraft is unable to couple for a mode I approach, the appropriate course of action is to continue with alternative modes of approach. In this scenario, mode 2, ICLS (Instrument Carrier Landing System), or mode 3 approaches serve as viable alternatives that can facilitate a safe landing under the circumstances where a mode I cannot be utilized.

These alternative modes provide different methods for the pilot to receive guidance and maintain situational awareness during the landing phase, ensuring that operations can continue efficiently. Mode 2 and ICLS are designed to support landings even in less than ideal conditions, while mode 3 often involves using radar assistance from air traffic control to guide the aircraft safely to the carrier. Utilizing these options helps to enhance safety and maintain operational flow, which is crucial in carrier operations, particularly during periods of high traffic or during challenging weather situations.

Attempting a visual approach, returning to base, or requesting guidance from CATCC could be options depending on the specific circumstances, but continuing with alternative modes remains the primary protocol for ensuring that the aircraft can land safely.