Final answer:
Yes, proof of insurance for the aircraft must be on board for each flight. Failure to have proof of insurance could result in penalties for the operator.
Step-by-step explanation:
Yes, proof of insurance for the aircraft must be on board for each flight. This is a legal requirement in order to ensure that the aircraft is adequately insured in case of any accidents or damages. Failure to have proof of insurance on board could result in penalties for the operator.
For example, in the United States, the Federal Aviation Administration (FAA) mandates that all aircraft operators must carry proof of insurance on board for each flight. This is to protect the interests of passengers, crew members, and any affected parties in the event of an incident.
Therefore, it is crucial for aircraft operators to always have the necessary insurance documentation readily available on board to comply with this legal requirement.