Current A340-300 TOP
(engineering designation -300X) powered by 151.2 kN (34,000 lb st) CFM56-5C4 turbofans; maximum T-O weight 271,000 kg (597,450 lb) with optional MTOW of 275,000 kg (606,275 lb); stronger landing gear, and aerodynamic and engine refinements, plus optional additional centre tank (ACT) for increased fuel capacity compared with basic A340-300. First flight (F-WWJH; CFM56-5C4 engines) 25 August 1995; first delivery, to Singapore Airlines, 17 April 1996.
A340-300E TOP
Enhanced version with upgraded CFM56-5C4/P engines (trial engine first flew on an A340 on 19 November 2002); optional increased MTOW of 276,500 kg (609,575 lb); new-style cabin from A340-600. Initial customer, South African Airways, ordered six in 2002; first delivery 9 March 2004.
"Airbus SAS (an EADS Joint Company with BAE Systems)
Airbus A340” (2008, 19 Feb). Retreived from Jane's All the World's Aircraft website
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