Описание: Five single-seat ST Aerospace A-4SUs on the flight line of Base A'erienne Cazaux, France. 150 squadron of the Singapore Air Force has been stationed at Cazaux (southern France) since 1998. 18 A-4SU Super Skyhawks (in fact modernized A-4Cs) were used for advanced pilot training. In November 2012 the remaining 11 A-4s were replaced by Aermacchi M-346s. From Wikipedia, the free encyclopedia The ST Aerospace A-4SU Super Skyhawk is a major upgrade project of the Douglas A-4S Skyhawk attack aircraft undertaken by Singapore Aircraft Industries (SAI, now ST Aerospace) in the 1980s. It was used exclusively by the Republic of Singapore Air Force (RSAF), serving in the fighter-bomber role from 1989 until retirement from front line service in 2005. Since mid-1999, the A-4SU took on the additional role of being the designated advanced jet trainer (AJT) aircraft for the RSAF's AJT training program/detachment in Cazaux, France. Five single-seat ST Aerospace A-4SUs on the flight line of Base A'erienne Cazaux, France. 150 squadron of the Singapore Air Force has been stationed at Cazaux (southern France) since 1998. 18 A-4SU Super Skyhawks (in fact modernized A-4Cs) were used for advanced pilot training. In November 2012 the remaining 11 A-4s were replaced by Aermacchi M-346s. From Wikipedia, the free encyclopedia The ST Aerospace A-4SU Super Skyhawk is a major upgrade project of the Douglas A-4S Skyhawk attack aircraft undertaken by Singapore Aircraft Industries (SAI, now ST Aerospace) in the 1980s. It was used exclusively by the Republic of Singapore Air Force (RSAF), serving in the fighter-bomber role from 1989 until retirement from front line service in 2005. Since mid-1999, the A-4SU took on the additional role of being the designated advanced jet trainer (AJT) aircraft for the RSAF's AJT training program/detachment in Cazaux, France. A-4SU and TA-4SU Super Skyhawk A full scale TA-4SU mock-up on display at the stand of Singapore Aircraft Industries (SAI) at the 1988 Asian Aerospace exhibition In 1985, as a result of four A-4S being written off in separate accidents, coupled with the low serviceability of the original batch of A-4S. Investigations conducted by RSAF reveal that although there was plenty of fuselage life left, the Wright J65 turbojet engines in use by the Skyhawks was too old and the associated spare parts were becoming both difficult and expensive to obtain. Consequently, the RSAF decided to upgrade the A-4S/TA-4S rather than to replace them. With SAI contracted as the main contractor for the upgrading project and a non-afterburning General Electric F404-GE-100D turbofan engine selected as the new engine, the upgrading project would later be extended to cover the entire fleet of newer A-4S-1s as well as taking the opportunity to completely modernize the avionics package (newly installed equipment now included a Pave Penny laser seeker mounted in the nose, an Inertial navigation system (INS), a Tactical air navigation system (TACAN), fore & aft Radar warning receivers (RWR) and chaff/flare countermeasures) of the aircraft. The modernized A-4SU and TA-4SU versions with its new F404 turbofan engine had 29% more thrust, which resulted in a 30% reduction in takeoff time as well as an increase in usable payload, range and maximum speed. The maximum speed now at sea level is 610 knots (1,130 km/h; 700 mph), and maximum cruise speed at 30,000 feet (9,100 m) is 446 knots (826 km/h; 513 mph).
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