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How air traffic control works …!?

How air traffic control works ...!?

Air traffic control (ATC)

It is a service provided by ground-based controllers who direct aircraft on the ground and through controlled airspace, and can provide advisory services to aircraft in non-controlled airspace.

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The primary purpose of ATC worldwide is to prevent collisions, organize and expedite the flow of traffic, and provide information and other support for pilots direct them around bad weather and ensure that traffic flows smoothly with minimal delays.. ATC operations are conducted either in the English language or the language used by the station on the ground

How they do it  ? 

Controller use a radar system called secondary surveillance radar for airborne traffic approaching and departing.These displays include a map of the area, the position of various aircraft, and data tags that include aircraft identification, speed, altitude, and other information described in local procedures.

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In adverse weather conditions the tower controllers may also use surface movement radar (SMR), surface movement guidance and control systems(SMGCS)

TWR controllers are : 
  • Ground Control 

This generally includes all taxiways, inactive runways, holding areas, and some transitional aprons or intersections where aircraft arrive, having vacated the runway or departure gate. Exact areas and control responsibilities are clearly defined in local documents and agreements at each airport. This is normally done via VHF/UHF radio, but there may be special cases where other procedures are used. Aircraft or vehicles without radios must respond to ATC instructions via aviation light signals

  • Local Control or Air Control. (Tower Control)

Local Control clears aircraft for takeoff or landing, ensuring that prescribed runway separation will exist at all times. If Local Control detects any unsafe condition, a landing aircraft may be told to “go-around” and be re-sequenced into the landing pattern by the approach or terminal area controller.

pic courtesy : sportaviation Australia

Local Control must ensure that Ground Control is aware of any operations that will impact the taxiways, and work with the approach radar controllers to create “holes” or “gaps” in the arrival traffic to allow taxiing traffic to cross runways and to allow departing aircraft to take off

  • Flight Data/Clearance Delivery 

Clearance Delivery is the position that issues route clearances to aircraft, typically before they commence taxiing. These contain details of the route that the aircraft is expected to fly after departure. Clearance Delivery or, at busy airports, the Traffic Management Coordinator (TMC)

The primary responsibility of Clearance Delivery is to ensure that the aircraft have the proper route and slot time. This information is also coordinated with the en route center and Ground Control in order to ensure that the aircraft reaches the runway in time to meet the slot time provided by the command center.

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  • Approach and Terminal control

Terminal controllers are responsible for providing all ATC services within their airspace. Traffic flow is broadly divided into departures, arrivals, and overflights.and ensuring that aircraft are at an appropriate altitude when they are handed off, and that aircraft arrive at a suitable rate for landing.

In most countries, this is referred to as Terminal Control; in the U.S., it is referred to as a TRACON (Terminal Radar Approach Control). While every airport varies, terminal controllers usually handle traffic in a 30-to-50-nautical-mile (56 to 93 km) radius from the airport. Where there are many busy airports close together, one consolidated Terminal Control Center may service all the airports

  • Area control

ATC provides services to aircraft in flight between airports as well. Pilots fly under one of two sets of rules for separation:Visual Flight Rules (VFR) or Instrument Flight Rules (IFR). Air traffic controllers have different responsibilities to aircraft operating under the different sets of rules.

En-route controllers also provide air traffic control services to many smaller airports around the country, including clearance off of the ground and clearance for approach to an airport. Controllers adhere to a set of separation standards that define the minimum distance allowed between aircraft.

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When the aircraft approaches its destination, the center is responsible for issuing instructions to pilots so that they will meet altitude restrictions by specific points, as well as providing many destination airports with a traffic flow, which prohibits all of the arrivals being “bunched together”When the aircraft approaches its destination, the center is responsible for issuing instructions to pilots so that they will meet altitude restrictions by specific points, as well as providing many destination airports with a traffic flow, which prohibits all of the arrivals being “bunched together”As an aircraft reaches the boundary of a Center’s control area it is “handed off” or “handed over” to the next Area Control Center.

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Video courtesy : NATS (for more info please visit http://www.nats.aero)

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Aerospace

 Retired Boeing 747 converted into incredible cafe in Thailand

 Retired Boeing 747 converted into incredible cafe in Thailand

A retired Boeing 747 has discovered an unexpected second act as a distinctive and alluring cafe in the bustling city of Bangkok.

Before being placed into storage in 2016, the 29-year-old jumbo jet was operated by Orient Thai Airlines. Two years later, in 2018, the carrier ceased operations. But the famous plane, known as the “queen of the skies,” has been given new life, entertaining tourists in Bangkok.

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The 747 Cafe is a creative and inventive landmark situated on Luang Phaeng Road in the Lat Krabang district. A dismantled aircraft that has been converted into a cosy dining space greets guests as they enter. Clients can enjoy beverages and delicious baked goods here, taking their time while enjoying their treats in cosy window seats that provide a distinctive view of the outside world.

A trip up to the second floor reveals the once-private cockpit of pilots, for those looking for a more luxurious experience. In addition to learning about the aircraft’s extensive history, visitors can explore this iconic location and perhaps even imagine the many trips it has completed.

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The 747 Cafe attracts tourists, curious locals, and aviation enthusiasts alike. It is open every day from 9 am to 6 pm. This abandoned aviation marvel never fails to captivate the imaginations of those who venture inside, adding a sense of airborne nostalgia to the vibrant tapestry of Bangkok’s culinary scene as sunlight filters through its windows.

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Why Did India Place a Large Order for Tejas and Prachand Helicopters? Here are 5 Key Points

Why Did India Place a Large Order for Tejas and Prachand Helicopters? Here are 5 Key Points

India is poised to enhance its Defence capabilities with a significant procurement initiative. The Indian Government has approved the acquisition of 97 Tejas Light Combat Aircraft (Mark 1A) and has also given the green light for the procurement of 156 Prachand Combat helicopters. Among these, 90 helicopters are designated for the Army, while 66 are allocated for the Indian Air Force (IAF).

This landmark decision represents the largest order in the history of the Indian Air Force. Both the Tejas aircraft and the Prachand helicopters are domestically produced, with a combined value of Rs 1.1 lakh crore.

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Presently, the Indian Air Force operates a fleet of 40 LCA aircraft. With this procurement, the defense arsenal is set to expand to 10 squadrons in the coming years, reaching a total of 220 LCA Mark aircraft.

Here are the five key points outlining India’s defense strategy for its indigenously developed aircraft:

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Establishing International Brand Presence:

India’s Tejas faces challenges in securing international orders due to a limited fleet of operational aircraft, raising concerns about its credibility in providing sustained customer service.

Notably, the Tejas aircraft participated in a recent Malaysian Air Force tender but narrowly missed securing the deal, which was ultimately awarded to a South Korean fighter FA-50 jet. Several factors contributed to Tejas losing the bid.

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The bolstering of the Air Force fleet not only elevates the credibility of the aircraft features but also augments the production of aircraft. This certainly captures the attention of new customers who consistently seek to validate the aircraft’s capabilities. Specifically, the Tejas aircraft has experienced a substantial increase in its flying hours, highlighting its robust strength and muscular prowess in contrast to other aircraft.

The integration of delta wings in Indian aircraft offers clear advantages over conventional counterparts; nevertheless, the actual effectiveness of this design can only be verified through real-world operations.

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Tejas Mark 2 Engine Procurement and Future Expansion:

India Teajs has received a significant offer to manufacture the GE 414 engine, presenting a substantial opportunity for the country’s defense sector. However, it’s crucial to highlight that this engine is designated for the Tejas Mark 2.

Additionally, the success of any fighter jet in the global market hinges on a robust foundation, especially when introducing upgraded versions. To ensure international competitiveness, it is imperative to continue operationalizing Tejas Mark 1, enhancing its reliability and performance for potential foreign exports.

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Phasing Out Outdated MiG-21 Fighter Jets:

India has made the strategic decision to decommission its entire fleet of aging MiG-21 fighter jets, colloquially referred to as “Flying Coffins” due to their notorious history of frequent crashes.

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The unreliability of these aircraft has been underscored by numerous incidents, with one particular occurrence involving the loss of control over the Pakistan border. Additionally, there have been recurrent operational failures with other aircraft, further accentuating their inadequacy within the context of the current technological landscape.

Introduction of New Tejas Mark 1 Aircraft:

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To address these challenges, India is in the process of phasing out the aging MiG-21 and MiG-27 aircraft from its defense service. The new Tejas Mark 1 aircraft is set to replace them, providing enhanced capabilities and bolstering the immunity of India’s defense operations.

Brand Promotion and Marketing for Indigenous Aircraft:

Recognizing the importance of user familiarity, India is actively promoting its self-developed aircraft, particularly after securing substantial orders for Tejas and Prachand. This not only showcases the strength of these aircraft in the international market but also establishes a benchmark for their credibility.

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Showcasing Capabilities at International Events:

India’s recent participation in the Dubai Airshow featured impressive displays of flying capabilities, highlighting the prowess of indigenous aircraft. The performance of the Indian-made Dhruvu Helicopter garnered attention, further elevating the profile of Indian aircraft on the global stage.

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Unique Features of Prachand Helicopter:

The Prachand helicopter, designed for battlefield deployment as an attack helicopter, stands out with its advanced weaponry and avionics. Positioned to compete with helicopters like the Apache, Turkish T129, and the European Tiger, Prachand emphasizes India’s capability to produce unique and technologically advanced military assets.

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Elevating Indigenous Products:

This strategic decision underscores the government’s unwavering commitment to strengthening the nation’s defense capabilities while simultaneously fostering the growth of indigenous defense manufacturing.

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The initiative encompasses a comprehensive approach, ranging from neutralizing tanks and armored personnel carriers to enhancing the Indian Navy’s surface platforms, positioning them as primary offensive weapons. Notably, the introduction of the Light Combat Aircraft (LCA) Mk 1A for both the Indian Air Force and the Indian Army marks a significant stride.

Simultaneously, the upgrade of Su-30 MKI Aircraft, featuring the latest weapon integration and avionics, enhances its overall power. The entire process is set to be executed by Hindustan Aeronautics Limited (HAL), further promoting indigenous prowess.

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Additionally, the approval for the development of Medium Range Anti-Ship Missiles for the Indian Navy’s surface platforms underscores the nation’s commitment to advancing its indigenous defense capabilities.

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Afghanistan found helicopter that was buried in the sand 13 years ago

Afghanistan found helicopter that was buried in the sand 13 years ago

In Afghanistan’s Helmand province, the security forces recently found parts of an American helicopter that had been buried in the sand for 13 years. This discovery took place in the Behramcha district, highlighting the lasting traces of past conflicts in the area.

The helicopter parts, surprisingly still in good condition, were carefully hidden, emphasizing the efforts made to conceal this important military equipment.

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It is particularly amazing how well the helicopter parts have been preserved. The parts seem undamaged despite the passing of time and the hostile Afghan desert environment, suggesting a level of care and accuracy in the efforts to conceal this military legacy. There’s an air of intrigue to the story as it develops because the reasons for such careful concealment are still unknown.

The security command made the sensible decision to move the helicopter parts to the province of Kandahar for additional investigation after the initial discovery. This choice is indicative of a dedication to solving the mystery surrounding the buried aircraft, as specialists and investigators put in great effort to put the puzzle together. The examination could provide important information about the helicopter, its purpose, and the events leading up to its secret burial.

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Aerospace

South Korea selects the Embraer C-390 Millennium

South Korea selects the Embraer C-390 Millennium

C-390 is the winner of LTA-II program public tender to provide the Republic of Korea Air Force with new military transport aircraft. The country will be Asia’s first C-390 Millennium operator

Seoul, South Korea, December 04, 2023 – South Korea’s Defense Acquisition Program Administration (DAPA) has announced Embraer’s C-390 Millennium as the winner of the Large Transport Aircraft (LTA) II public tender to provide the Republic of Korea Air Force (ROKAF) with new military transport aircraft. South Korea is the C-390 Millennium’s first customer in Asia.

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Per the finalized contract, Embraer is set to deliver an undisclosed number of C-390 Millennium aircraft meticulously tailored to meet the specific requirements of the ROKAF. The agreement extends beyond the aircraft itself, encompassing a spectrum of services and support, including training, ground support equipment, and spare parts. The financial value associated with this contract will be integrated into Embraer’s backlog during the final quarter of 2023.

The package includes a substantial allocation of C-390 Millennium components

In addition to the aircraft delivery, Embraer is committed to providing a comprehensive consortium and offset package. This package includes a substantial allocation of C-390 Millennium components to be produced locally by Korean partner companies. Furthermore, it involves the establishment of a local Maintenance Repair and Overhaul (MRO) provider.

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Bosco da Costa Jr., President and CEO of Embraer Defense & Security, expressed enthusiasm, stating, “We welcome the Republic of Korea Air Force to the growing number of air forces operating the C-390 Millennium – the most modern military tactical transport aircraft.” Da Costa emphasized the aircraft’s consistent performance in various missions, highlighting its efficiency, serviceability, and speed. He also emphasized the collaborative commitment between Brazil and South Korea to enhance the capabilities of their aerospace and defense industries.

South Korea’s decision to opt for the C-390 Millennium makes it the seventh nation to choose this aircraft, following Brazil, Portugal, Hungary, the Netherlands, Austria, and the Czech Republic. Renowned for redefining military airlift, the C-390 challenges conventional perspectives on current and future-generation platforms. Its design incorporates multi-mission capability, reliability, and interoperability.

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Since its operational debut with the Brazilian Air Force in 2019 and, more recently, with the Portuguese Air Force in 2023, the C-390 has consistently demonstrated its capacity, reliability, and performance. The existing fleet has amassed over 10,800 flight hours, showcasing an operational availability of approximately 80% and mission completion rates exceeding 99%, underscoring exceptional productivity within its category.

C-390 Payload capacity of 26 tons

Distinguishing itself from medium-sized military transport aircraft, the C-390 boasts an impressive payload capacity of 26 tons and a higher flying speed at 470 knots. Its versatility enables a broad spectrum of missions, including cargo and troop transport, medical evacuation, search and rescue, firefighting, and humanitarian endeavors. Notably, the aircraft can operate on temporary or unpaved runways, such as packed earth, soil, and gravel. Additionally, the version equipped with air-to-air refueling capabilities, designated as the KC-390, has already demonstrated its prowess both as a tanker and as a receiver during aerial refueling operations.

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New UK Airline Ecojet Signs Deal For 70 ZeroAvia Engines

New UK Airline Ecojet Signs Deal For 70 ZeroAvia Engines

ZeroAvia announced that it has reached a deal with Ecojet, a recently established airline, for up to 70 engines that run entirely on hydrogen and emit no emissions.

In 2024, Ecojet, which wants to be the premier airline for green Britain, will start flying to and from Edinburgh using conventional aircraft. Later, it will convert its fleet to become the first ever electric airline in history.

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Once certified, the airline will retrofit its aircraft with ZeroAvia’s ZA600 engines to accomplish its goal. MONTE, ZeroAvia’s preferred ZA600 lessor partner, will collaborate with Ecojet to commercialize this innovative technology. By 2025, ZeroAvia hopes to have the ZA600 engine type certified.

The recently established airline has also placed a larger order for the more potent ZA2000 engine, which is intended for regional turboprops with up to 80 seats and a 2027 entry-in-service target. This will make it possible to fly planes like the Dash 8 400 and ATR72, which are already widely used on international regional routes.

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In collaboration with airports and other industry partners, ZeroAvia, Ecojet, and MONTE will determine and fund the initial routes for hydrogen-electric commercial operations. According to ZeroAvia analysis, domestic flights would have lower lifecycle carbon emissions per passenger than any other popular mode of transport available today, including fully occupied cars, domestic rail and coach travel, if they were powered by green hydrogen produced by wind energy in the UK.

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Air Force Drops Boeing from Consideration in ‘Doomsday Plane’ Contest

Air Air Force Drops Boeing from Consideration in 'Doomsday Plane' ContestDrops Boeing from Consideration in 'Doomsday Plane' Contest

Boeing confirmed on Friday that the U.S. Air Force eliminated Boeing from the competition to develop an E-4B Nightwatch replacement, reversing the competition to build the next generation of aircraft known as the “Doomsday Plane” because of its ability to withstand a nuclear war.

The E-4B Nightwatch, also referred to as the “Doomsday Plane,” is a modified Boeing 747-200B used in military operations. It is built to resist the electromagnetic pulse from a nuclear explosion and functions as the National Airborne Operations Centre. The aircraft is capable of conducting routine training and readiness missions while staying in the air for several days.

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Boeing and the Air Force were unable to agree on data rights and contract terms, according to Reuters. This was partly due to Boeing’s refusal to sign a fixed-price agreement that would have required it to pay for costs over a predetermined amount.

A major change in the military aircraft manufacturing landscape has occurred with Boeing’s removal from the ‘Doomsday Plane‘ competition. It’s unclear who will step up to take over Boeing’s position as the US Air Force works to update its aircraft and remain prepared for changing international threats.

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According to budget documents, the Air Force intends to continue developing SOAC with spending of $889 million in fiscal 2024 and $8.3 billion through fiscal 2028. Early in the 2030s, the E-4B is anticipated to reach the end of its operational lifespan.

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