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Aviation History
1968
1968 - 2723.PDF
Biggest Douglas DC-9 is the Series 40 Short-range hot rod—the Douglas DC-9 Series 10 on November 23, 1965, and services began with Delta on Decem- ber 8, 1965. With 14,0001b thrust JT8D-ls and higher gross weight the -10 is known as the Model 15. The first major development of the DC-9 was to stretch the fuselage by 15ft (for up to 115 seats maximum) increase the per- mitted operating weights and to revise the high-lift devices (from double- to triple-slotted flaps and the introduction of full-span lead- ing edge slats) to preserve airfield performance. The first Series 30 flew on August 1, 1966, and deliveries to Eastern Air Lines were begun in February 1967. A further stretch was then embarked upon to meet an order from SAS. This resulted in the Series 40 with up-rated 14,5001b- thrust JT8D-9s, more fuel tankage, a further 6ft stretch to the body (now 21 per cent longer than the original version) for up to 125 seats, and higher permitted operating weights. The first Series 40 flew on November 28, 1967, and certification followed at the end of February when the first aircraft was delivered to SAS. All versions of the DC-9 are offered in all-freight (DC-9F), quick- change cargo-passenger (DC-9CF), or mixed-traffic passenger cargo (DC-9RC) versions. The cargo and convertible models have a large side door measuring lift 4in x 6ft 9in. The first delivery of an all-cargo (a DC-9 Series 30F) was made to Alitalia last May. The latest permutation of the DC-9 theme is the Series 20—this is a "hot-rod" small-capacity version for operators flying the less- busy routes where a good airfield performance is important. The Series 20 is now under flight development and will soon be ready for early delivery. It combines the short body of the Series 10 with the large span wing, high-lift devices and higher power of the Series 40. DC-9-10 Orders: Aeronaves de Mexico, 9; Air Canada, 6; Allegheny, 1; Avensa, 2; Bonanza, 3; Continental, 4; Delta, 14; Eastern, 15; Hawaiian, 2; KLM, 6; Ozark, 6; Saudi Arabian, 3; Southern, 6; Standard, 2; Swissair, 5; Trans-Texas, 2; TWA, 20; West Coast, 4. Total, 110. DC-9-10F Orders: Continental, 19; Trans-Texas, 5. Total, 24. DC-9-20 Orders: SAS, 10. Total, 10. DC-9-30 Orders: Air California, 2; Air Canada, 42; Air West, 25 ; Alitalia, 34; Allegheny, 17; Ansett-ANA, 6; ATI, 4; Bonanza, 2; Caribair, 3; Corporations, 3; Delta, 53; Eastern, 55; Garuda, 2; Hawaiian, 3; Iberia, 15; KLM, 5; Korean Air Lines, 1; Martin's Air Charter, 2; North Central, 15; Northeast, 14; Ozark, 3 ; Pacific Southwest, 2; Purdue, 1; Sudflug, 2; Swissair, 15; Trans- Australia, 6; Turkish Airlines, 2; West Coast, 3. Total, 337. DC-9-30F Orders: Alitalia, 2; KLM, 5; Martin's Air Charter, 1; Overseas National, 4; Universal, 1; Total, 13. DC-9-40 Orders: Eastern, 12; KLM, 4; LAV, 1; SAS, 16; Turkish Airlines, 1. Total, 34. Hawker Siddeley Trident 1C Is the designation of the original version for BEA, now modified with higher permitted operating weights. The version is no longer in production. The original contract for 24 aircraft was signed in August, 1959, the first flight was in January 1962, and the type entered service in April 1964. The Smiths automatic landing equipment of the Trident 1C is now in an advanced stage of development. Approval was granted in June 1965 for the Autoflare to be used on public transport service and in May 1967 BEA started to use Autoland. By June 1968, 100,000 Trident passengers had been landed automatically. Trident 1C Orders: BEA, 24. McDonnell 210G To give an idea of the commercial character- istics of the Breguet deflected slipstream formula, McDonnell (the US licencee of Breguet) has proposed a 110-seater based on the French company's 941C. The latter is now being evaluated on Eastern Air Lines routes in the US north-eastern corridor. The economic and operational advantages of such a highly manoeuvrable fixed-wing aeroplane are attracting considerable interest among airlines bedevilled with congestion delays in busy areas. There has not yet been a firm decision to go ahead with the 210G, but the publication of the design details is a significant event. Tupolev Tu-134 is the Soviet Union's short-range medium- capacity jet. It is copied from the BAC One-Eleven and the Douglas DC-9. Many basic elements of the rear-engined twin were adapted from the Tu-124 but the engines are the more powerful Soloviev D-30 turbofans mounted in aft fuselage pods and increased per- mitted operating weights. The Tu-134 flew early in 1964, was first announced to the West in September of that year, and a prototype visited the 1965 Paris Air Show. The type entered service with Aeroflot in 1967 and some are used by other Eastern Block airlines. Tupolev Tu-134
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