Final answer:
The flare cartridges should be inspected after every flight and rotated in a sequential manner or order to maintain reliability and readiness.
Step-by-step explanation:
In aviation, the flare cartridge is part of the aircraft's emergency equipment. It is used to create a visual signal by emitting bright light when activated. To ensure the reliability and readiness of the flare cartridges, they should be inspected after every flight and rotated in a sequential manner or order.