This is a colloquial term meaning the pilot meets all theoretical knowledge requirements for an ATPL but lacks the required flight experience (typically 1,500 total flight hours, including specific hours as Pilot-in-Command and cross-country time). Once a pilot accrues the required hours—usually achieved during their time as a First Officer—the license "unfreezes," and they are legally eligible to act as Captain.

14 subjects. One goal.

If you’re in the middle of GS right now: