Instrument Rating Exam · Mock exam

Under AIP ENR 1.1, an IFR aircraft may not take off if the RVR (or visibility) is less than:

• A.500 m at all times, regardless of the particular aerodrome or the individual operator's exposition
• B.The published take-off minima for the aerodrome; where none are published a general minimum (typically 800 m) applies
• C.There are no take-off minima at all for IFR operations — departure is entirely at the pilot's discretion
• D.The published landing minima for the ILS approach serving the departure runway in use