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Sikorsky S-58ET


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Sikorsky S-76A / B / C
PH-NZT Sikorsky S-76B c/n 760326 - CHC Helicopters Netherlands - Den Helder Airport in Holland - 19 September 2009 Den Helder-de Kooy (EHKD)

The Sikorsky S-76 Spirit is a twin-engine medium utility helicopter that can accommodate a basic crew of two and up to 13 passengers. The S-76 helicopter is mainly used for cargo and passenger transport to oil platforms, in V.I.P. version and emergency. In 1975, Sikorsky Aircraft Corporation started with the development of the Sikorsky S76 medium lift helicopter for the offshore/ oil support sector, based on the military S70 Black Hawk program. The first prototype S-76A, powered by two Allison 250C30S turbo shafts, flew on 13 March 1977. Deliveries of the production model started in 1979 after FAA certification was awarded in November 1978. 284 Sikorsky S-76A helicopters were manufactured, a large number were modified to S-76A+. The Sikorsky S-76B with the Pratt & Whitney Canada PT6B engines was flown first on 22 June 1984. Deliveries started in 1987 and the final S-76B was delivered in December 1997, with 101 S-76Bs built. In June 1989, the Model S-76C, fitted with Turboméca Arriel 1S1 engines, was announced. The Sikorsky S-76C flew first on 18 May 1990 and FAA certification was achieved in April 1991. The Sikorsky S-76C++ helicopter was the version in production until 2011. Its main feature is the Arriel engine, which gives excellent single-engine performance as well as good range. In 2011, with aircraft number 882, the last S-76C++ closed out that production progam. The latest development of the Sikorsky S-76 helicopter is the S-76D. The S-76D helicopter features all-composite main rotor blades, Pratt & Whitney PW210S engines and Thales TopDeck avionics. FAA approved Type Certification for the S-76D helicopter on 12 October 2012. Sikorsky delivered the first S-76D aircraft to Bristow Group, Inc. for offshore oil worker transport in December 2013. Until 2014, Keystone / Sikorsky built over 910 S-76 helicopters in various models. The Sikorsky S-76D helicopter is the version currently in production. The ICAO Aircraft Type Designator for the S-76B helicopters is S76.
On 6 November 2015, Lockheed Martin completed for $9 billion the acquisition of Sikorsky Aircraft, replacing United Technologies as Sikorsky Aircraft’s parent company.

The 1986-built Sikorsky S-76B Eagle s/n 760326 was registered PH-NZT in the Netherlands by KLM Helikopters B.V., Schiphol-Oost, on 18 December 1986. The aircraft was mainly operated on offshore flights, first out of Amsterdam Airport Schiphol, later out of Den Helder-de Kooy. On 12 October 1993, name and ownership changed into KLM/ERA Helicopters BV., Schiphol-Oost. On 22 February 1996, registration PH-NZT was cancelled and the same day the S-76B was registered G-UKLT in the UK with KLM ERA Helicopters (UK) Ltd. In 1998, KLM ERA Helicopters was integrated into Schreiner Northsea Helicopters BV and S-76B G-UKLT was registered with this new operator. On 15 July 1998, registration G-UKLT was cancelled and the next day registration PH-NZT was restored with Schreiner Northsea Helicopters BV, Den Helder. On 4 September 2002, registered ownership of the helicopter changed to Capital Aviation Services BV., Hoofddorp, with Schreiner Northsea Helicopters BV, Den Helder, as holder. In 2005, Schreiner Northsea Helicopters was integrated into CHC Helicopters and the PH-NZT is operated by CHC Netherlands since. On 24 April 2006, Sikorsky PH-NZT was registered to CHC Helicopters Netherlands BV, Den Helder, as operator and Capital Aviation Services BV., Hoofddorp, as owner. The helicopter was stationed at Den Helder-De Kooy until 12 December 2012. That day, Sikorsky S-76B PH-NZT and PH-NZU left Den Helder by road to Zeebrugge in Belgium. From Zeebrugge harbour, the helicopters were shipped to Boundary Bay, Canada. On 18 July 2014, registration PH-NZT was cancelled by the IVW (Dutch CAA) as the helicopter was longer then a year without CofA.

page last updated: 18-11-2015
Copyright © Jack Wolbrink, Emmen, the Netherlands

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