Instrument Rating Exam · Practice

At night under IFR, which statement about descent below LSALT is correct?

• A.Night IFR operations carry no specific LSALT restrictions beyond those already applying to the same route by day
• B.The LSALT at night may be reduced by up to 500 ft as a standard operational concession, provided the current area QNH is correctly set
• C.Descent below LSALT at night is permitted only when established on a published instrument approach; the daytime visual descent provisions do not apply
• D.At night the pilot may descend below the LSALT as soon as the destination aerodrome runway lighting is in sight