Originally Posted by sabbasolo

Here are the official restrictions on night flight:

NIGHT FLYING RESTRICTIONS
RWY 30 is not available for take-off between 2300-0600LT, unless approved, in exceptional circumstances, by APT manager.
Other RWYs: ACFT shall not take off between 0140-0530LT during winter season, and 0140-0500LT during summer season. Take-off between 0140-0200LT shall be approved, only in exceptional circumstances, by APT manager.
Take-off between 0530-0600LT during winter season, and 0500-0600LT during summer season, shall be approved in one of the following conditions: 1) The noise level will not exceed a "Reduced Noise Level" as recorded by the Noise monitoring terminals (NMT). "Reduced Noise Level", for this matter, is a noise level that will not exceed the maximum noise level of -3 dbA, approved for departures of ACFT with MAX take-off weight of less than 300t. (Refer to chart LLBG 10-4). 2) Flights, scheduled to depart before the night take-off restriction, and were delayed, may be approved by APT manager, without the restriction above.
Exceptions: - ACFT rendering medical assistance; - Firefighting ACFT; - Cloud-seeding flights; - Other special flights only by prior permission from CAAI.