A structured reading of FAA Murphy (2008) addressing multiple independent regulatory questions without collapsing them into a single rule.
Answer: This LOI addresses multiple independent issues. Each conclusion applies only to its specific regulatory context and should not be generalized into a unified rule.
If I lost my medical can I log PIC?Can a CFI instruct without a medical?
A concise explanation of sunset, civil twilight, and the one-hour night passenger currency window pilots actually need to plan around.
Answer: Use the exact boundary that matches the task. If the goal is passenger-carrying night currency, show the one-hour rule directly. If the goal is loggable night, show civil twilight. Precision matters more than shorthand.
When does night currency start?Is night currency based on sunset or civil twilight?
