Instrument Rating Exam · Mock exam

An alternate aerodrome must have, at the estimated time of arrival, a forecast weather that meets which criteria compared to the approach minima?

• A.Ceiling ≥ approach minima + 400 ft AND visibility ≥ 1,500 m (for an instrument approach at the alternate)
• B.Any ceiling above 1,000 ft together with a forecast visibility of at least 8 km
• C.CAVOK conditions only — no other forecast is ever acceptable for a nominated alternate
• D.Ceiling at or above the approach minima together with a visibility of at least 800 m