02:00 am to 10:00 am and 11:30 pm to 00:00 am with occupancy periods for aircraft are reduced from 110 seconds to 90 seconds of takeoff and from 65 seconds to 50 seconds for landing. The low time is from 04:00pm to 10:00pm with only maximum 32 flights/hour. By 2015, IRC 72 will become IRC 86 with the opening of the new terminal. As a comparison, London Heathrow Airport, which has 2 runways like SHIA, can handle 100 flights per hour, so the target for SHIA has been revised to 92 flights per hour by 2015. As of July 2017, maximum flight frequency at Soekarno–Hatta International Airport had been increased to 81 take-offs and landings per hour to accommodate increasing demand from aviation companies. Airport facilities Terminals 1 and 2 were designed to resemble a traditional joglo Javanese construction. The approach has been emphasized by the inclusion of well-maintained gardens located near all boarding areas. Terminal 3 and other new airport buildings use an eco-friendly and modern design. Aircraft maintenance Maintenance facilities for aircraft in Soekarno–Hatta International Airport are supported by GMF AeroAsia (Garuda Maintenance Facility). They include of built-up structures, including four hangars, a spares warehouse, workshops, utility buildings, a ground support equipment building, chemical stores, an engine test cell, and management offices. In addition, GMF AeroAsia has an apron capable of handling up to 50 aircraft, taxiways, a run-up bay, and a waste treatment area, taking up . Hangar 1 was built in 1991 and was designed for Boeing 747s. It has two full docks and is . Hangar 2 is and has 3 aircraft bays. It can perform minor A and B checks. It can hold up to one narrow body and one wide-body jet. Hangar 3 is also . It normally holds up to 3 narrow-body aircraft but can be configured to hold up to one wide-body and one narrow body. It has 7 bays with 4 full docks, 6 roof-mounted cranes and one bay designed for McDonnell Douglas MD-11s, McDonnell Douglas DC-10s, and wide-body Airbus A330s aircraft. Hangar 4 is . The Hangar 4 was opened in 2015 and was designed for narrow-body aircraft like B737s and A320s. It can handle 16 narrow-body aircraft at one time. Golf course There is a golf course at the Soekarno–Hatta International Airport supported by the Cengkareng Golf Club. The golf course has been open since 1999. It is