24 calendar months. definition
24 calendar months.. One interpretation is that it means two years, e.g. January 15, 1997, to January 15, 1999. The second interpretation is that it means 24 unit months, e.g. regardless of the day in January 1997, to January 31, 1999. You state that your local Flight Standards District Office (FSDO) believes the second interpretation, 24 unit months, to be correct. You ask this office to confirm this before you change your policy.