Aerospace
LCH is First Attack Helicopter to Land at Forward Base; HAL Completes Hot & High Altitude Trials at Leh.
Hot and high-altitude trials of indigenously designed and developed Light Combat Helicopter (LCH) carried out at Leh recentlyBengaluru, September 3, 2015:
HAL successfully carried out the hot and the high-altitude trials of indigenously designed, developed attack chopper Light Combat Helicopter (LCH) at Leh recently. “These seasonal trials – including cold weather trials carried out at Leh during February this year – have been completed as part of the certification process. The flight trials at Leh have established hover performance and low speed handling characteristics of the helicopter under extreme weather conditions at different altitudes (3200 to 4800 m). During the trials, the helicopter and systems performed satisfactorily. LCH also has proven its capability to land and take off at Forward Landing Base in Siachen. LCH is the first attack helicopter to land in Forward Bases at Siachen”, says Mr.T. Suvarna Raju, CMD, HAL.
The trials were carried out on the third prototype of LCH (TD3) at Leh at the temperatures ranging from 13 to 27 degree centigrade with the participation of user pilots from Air Force, Army and representatives from CEMILAC and DGAQA. Various tests included assessment and validation of flight envelope in ‘Hot-and-High’ conditions, culminating in landing at forward bases at geographic elevations of 13,600 feet to 15,800 feet. These landings and take-offs were demonstrated with reasonable amount of weapon load and fuel.
The upper reaches of the Indus river and its tributaries, Nubra and Shyok are home to the mighty Ladakh and Eastern Karakorum Ranges, with multiple lofty peaks over 25,000 feet and an average ridgeline elevation of 20,000 feet. It is also home to the largest glaciated area outside the Polar Regions and is sometimes called the ‘Third Pole’. The Siachen is the largest glacier here and is central to this region. The area experiences a period of summer during July-August in which temperatures soar to 30 degrees above standard atmosphere conditions. This mix of extreme altitudes and relatively high temperatures (‘Hot-and-High’) saps helicopter performance and as such, a few types of helicopters are able to operate effectively all year around.
LCH Progress:
With the extensive trials carried out on three prototypes at Bengaluru, sea level at Chennai in November 2013, cold weather at Leh during January/February 2015, hot weather at Jodhpur in July 2015 and hot and high altitude trials at a few days ago at Leh, the performance and handling qualities of the helicopter have been established for basic configuration (with EO Pod, Rocket launchers, Turret Gun and Air-to-Air missile launchers). The system functionalities have been assessed and found satisfactory during the trials and long-duration ferry across India. Further development activities are under progress and the weapon firing trials are planned during in the middle of 2016.
The advantage of indigenous development of helicopters such as ALH, LCH and LUH at HAL is that the users’ requirement are well captured right from early design stage and are fine-tuned as the project progresses with the involvement of users so that the product complies to the stringent operational requirements at high altitudes (Himalayan and North Eastern terrains)
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Aerospace
Indigo will soon launch Air Taxi Service in India
InterGlobe Enterprises, the parent brand of IndiGo, is set to revolutionize travel in India with its upcoming air taxi service.
Scheduled for a potential launch in 2026, this innovative venture promises a seamless journey for passengers between two bustling hubs. Delhi and Gurgaon in Haryana. The forthcoming service is projected to revolutionize the daily commute, offering passengers a swift aerial journey covering the distance in a mere 7 minutes.
This remarkable efficiency contrasts starkly with the conventional 90-minute drive, underscoring the immense time-saving potential for commuters. The anticipated fare, ranging from Rs 2,000-3,000, makes this innovative mode of transport not only swift but also remarkably competitive in pricing.
At the heart of this ambitious endeavor lies a strategic partnership with Archer Aviation, a pioneer in electric vertical takeoff and landing (eVTOL) aircraft technology. Under this collaboration, Archer will supply 200 state-of-the-art eVTOL aircraft, representing an investment of US$ 1 billion. These cutting-edge aircraft, capable of accommodating up to four passengers alongside the pilot, epitomize the future of sustainable air travel.
Powered by six battery packs, Archer’s eVTOL aircraft boast rapid charging capabilities, enabling a swift turnaround between flights. With a charging time of just 30-40 minutes, these eco-friendly aircraft ensure minimal downtime, maximizing operational efficiency.
Similar services are anticipated to be introduced by the joint venture in Bengaluru and Mumbai as well. Nevertheless, the service rollout period has not yet been made public by the company. Next year, it is anticipated to get its certification. Following this, the company will start the certification procedure with the Directorate General of Civil Aviation (DGCA).
Aerospace
Which is bigger 777x or 787 aircraft ?
The 777X is a new series of the Boeing 777 family and is designed to be larger and more efficient than its predecessor. It features two variants: the 777-8 and the 777-9, being the larger of the two.
The Boeing 777X emerges as the larger sibling within the Boeing family, representing a significant leap forward in both size and efficiency. Comprising two variants, the 777-8 and the 777-9, the latter takes the crown as the larger of the two. With its expansive fuselage and impressive wingspan, the 777X is tailored for long-range journeys and boasts a substantial passenger capacity.
On the other hand, the Boeing 787, affectionately known as the Dreamliner, occupies a niche in the market as a smaller yet formidable aircraft designed for medium to long-range flights. Its distinguishing feature lies in its composite fuselage, a technological marvel that renders it lighter and more fuel-efficient compared to conventional aluminum counterparts. The Boeing 777X is larger than the Boeing 787 aircraft.
When it comes to passenger capacity, the 777-9 reigns supreme, typically accommodating a sizeable contingent of 400-425 passengers in its standard configuration. In contrast, the 787, with its more modest dimensions, typically carries between 240-290 passengers, depending on the variant and layout.
One of the remarkable innovations introduced with the 777X is its folding wingtips, a feature designed to address the logistical challenges of accommodating such a large aircraft in conventional airport gates. These folding wingtips enable the 777X to retract its wings, allowing it to fit into gates designed for smaller aircraft while still reaping the benefits of an extended wingspan during flight, thereby enhancing fuel efficiency and operational flexibility
Aerospace
China Secures Production Certificate for Mass Production of Pilotless eVTOL Aircraft
The first passenger-carrying pilotless electric vertical takeoff and landing (eVTOL) aircraft in the world, the EH216-S, has received the Production Certificate for its eVTOL aircraft from the Civil Aviation Administration of China (CAAC).
This is a significant milestone for EHang Holdings Limited, the leading UAM technology platform company in the world. This outstanding accomplishment is another big step towards mass manufacturing for the eVTOL aircraft and the ensuing commercial operations, building on the ground-breaking acquisition of the Type Certificate and the Standard Airworthiness Certificate for the EH216-S.
The PC is a crucial certificate that the aircraft maker receives from the CAAC, the country’s aviation authority. By obtaining this certificate, EHang has demonstrated that it has set up a quality management system for mass production that satisfies the airworthiness regulation standards set forth by the CAAC, and the company has been given permission to continue producing mass quantities.
It is also a strong guarantee of the calibre of the goods made by EHang. Raw materials, supplier management, manufacturing organisation, production quality control, aircraft pre-delivery test, after-sales repair and maintenance, etc. are all included in the mass production quality management system for the EH216-S.
To ensure that every aircraft and its components that roll off the production line strictly adhere to the approved type design and safety requirements, the system sets clear guidelines and documentation for every step in the production procedure. This ensures comprehensive traceability and safety control.
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