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Queen Elizabeth-class Aircraft Carriers
Published in Tim Benbow, British Naval Aviation, 2016
To develop the ability to embark a wider range of assets, as well as working to ensure that the carrier-strike capability remains sharp (despite no current operations requiring UK carriers to conduct strike operations ashore), Ark Royal and Illustrious have already embarked RAF Chinooks, British Army Apache helicopters and US Marine Corps VF-22 Ospreys and AV8B Harriers in training operations (the latter in Ark Royal for Operation Auriga off the US East Coast in 2010). With the Queen Elizabeth-class ships fitted with cats and traps for conventional take-off and landing (CTOL) aircraft, they would as a result be able to cross-deck US F/A-18 Hornets, as well as US JSF aircraft and French Rafale fast jets. In terms of rotary-wing aircraft, the carriers could carry the Sea King Whisky airborne warning and control aircraft; the EH-101 Merlin; the updated Lynx Mark 8 Wildcat; the Chinook; the Apache Longbow; the Future Amphibious Support Helicopter; the future Maritime Airborne Surveillance and Control aircraft;43 perhaps a tilt-rotor aircraft such as the Osprey; and unmanned air vehicles. The carriers will also be able to embark and deploy a number of military (such as ground, amphibious, airborne or special forces troops) and even civilian personnel, to act as command headquarters and logistics nodes, and to carry out humanitarian support operations – including non-combatant evacuation operations. According to Tim Benbow, the carriers have always been envisaged not ‘as naval capital ships but rather as mobile national air platforms’.44
The Gas Turbine’s Future
Published in Tony Giampaolo, Gas Turbine Handbook: Principles and Practice, 2020
In the aviation category $3.7 billion was for military applications while $11.2 billion was for commercial aviation. The US Military F35 Joint Strike Fighter powered by the Pratt & Whitney Aircraft (Division of United Technologies Corp.) F135 is a 40,000 pound thrust jet engine (Figure 19-1). This jet engine will power the F35 for all three types of service—conventional takeoff/landing (CTOL), carrier variant (CV), and short takeoff/vertical landing (STOVL).
Accidents
Published in Suzanne K. Kearns, Fundamentals of International Aviation, 2021
The most common categories of aerodrome-related occurrences reported in Europe were loss of control—ground (LOC-G), runway excursion (RE), ground collision (GCOL), and collision with an obstacle during takeoff and landing (CTOL).
In situ thermoelastic stress analysis – an improved approach to airframe structural model validation
Published in Quantitative InfraRed Thermography Journal, 2019
Nik Rajic, David McSwiggen, Marcus McDonald, Don Whiteley
MiTE was first applied to the F-35 program on the F-35C carrier variant (CV) durability test article in October 2014. The primary aim of that study was to prove the feasibility of applying in situ TSA in a full-scale test environment more complex and challenging than any previously considered. This was followed by an application on the F-35B short take-off and vertical landing (STOVL) durability test article in April 2015 and finally on the F-35A conventional take-off and landing (CTOL) variant durability test article in July 2015, which was the largest of the three studies. Its findings together with those from the previous two studies confirm that this augmented approach to model validation is effective, efficient and practical. In the first part of the current article a synopsis of the F-35A study is given, followed by an examination of the implications of the key experimental findings to model validation. The second part takes a broader view focusing on issues of general relevance to the application of TSA to airframe testing, with F-35 case studies drawn upon to illustrate key points where appropriate.