What document must a student pilot carry when soloing?

When a student pilot is preparing to solo, it is essential for them to carry specific documents to ensure compliance with regulatory requirements and to confirm their authorization to fly solo. The valid student pilot certificate is critical as it confirms the individual's status as a student pilot who is undergoing training and is allowed to pilot an aircraft solo. Additionally, having a government-issued photo ID provides further identification and verifies the pilot's identity.

This combination of a student pilot certificate and a government-issued photo ID ensures that the student pilot can demonstrate both their qualifications and identity if required by authorities. It's important for safety and legal compliance, as pilot identity must be verifiable in aviation operations.

The other options presented, while they each contain elements relevant to flying, do not accurately capture the necessary documentation required for a student pilot in solo flight. For instance, while a medical certificate is important for overall pilot certification, it is not a requirement specifically for soloing as a student pilot alone. Similarly, having a full training manual or insurance documentation does not substitute for the need to have the student pilot certificate and ID. Thus, the reliance on these specific documents underscores the necessity of regulatory adherence for student pilots flying solo.