Here is my TLDR:
The article highlights the recent announcement by Bombardier of their newest addition to their business jet fleet, the Global 8000. Represented by the modified fifth Global 7500 flight test vehicle (FTV5), the aircraft has exceeded Mach 1, making it the fastest commercial aircraft since Concorde. Bombardier did not suggest that the aircraft was supersonic, but instead highlighted that its performance was high enough for testing to take it beyond Mach 1. The Global 8000 is capable of reaching Mach 0.94 and can fly 9,200 miles (14,800km) at Mach 0.85.

One of the most remarkable aspects of the Global 8000 is that there is no external difference between it and the Global 7500, which means that Bombardier is offering the Global 8000 as a new build jet or by retrofit from the earlier model. The target date for service entry is 2025 as trials continue beyond the envelope expansion work that saw the sustainable aviation-fuelled FTV5, an aircraft known internally as the “Masterpiece”, repeatedly achieve Mach 1.015 in May 2021.

According to Bombardier’s Stephen McCullough, the Vice President of Engineering, the Global 8000’s evolution from the 7500 is a result of years of experience in aircraft design and a no-compromise approach. He explains that the company spent a lot of time designing the 7500, optimizing the wing for high and low speeds, and that the Global 8000 taps into the extra potential available from that approach.

The process of unlocking Global 8000 performance from the 7500 design is driven by software changes in multiple areas, with the physical shape and context of the aircraft remaining unchanged. Bombardier is also examining a small cruise thrust increase for the Global 8000’s General Electric Passport engines compared to the Global 7500’s otherwise identical powerplant. Additionally, the new model has a greater usable fuel load, achieved through means other than installing larger tanks.

Overall, Bombardier’s Global 8000 is a masterpiece in the aviation industry, with its supersonic speed and efficient design. It represents a new era of business travel and is sure to revolutionize the skies.

As a Global 7500 pilot myself, I have been wondering about this rule a few weeks ago since I couldn’t remember what it was based on. So here is my take on it.

It is important to note that most in-service RTOs (rejected takeoff) utilize reverse thrust if available, but in order to certify a transport-category airplane, compliance with 14 CFR 25.109, paragraph (f) is required.  (click)

A good Video of an Easy Jet RTO can be found here

This regulation precludes the use of thrust reversers on dry runways when calculating the accelerate-stop distance. This means that the demonstration required by paragraph (i) cannot be conducted with reverse thrust on a dry runway.

The rationale behind this differentiation is that the regulations are written this way in order to demonstrate that the aircraft can safely stop under the worst conditions. This includes a flight test demonstration of the maximum brake kinetic energy accelerate-stop distance with no more than 10% of the allowable brake wear range remaining on each of the airplane’s wheel brakes.

Boeing has a nice short video that explains this topic well and can be found around 1:10. Although the aircraft in the video is a “bit” larger than the Global 7500, the regulations would still apply to the 7500 as well. (Video here)

Additionally, when it comes to wet runways, the regulations state that the use of reverse thrust is taken into account when calculating the accelerate-stop distance.

I believe that should address the question. However, I am open to further discussion on the topic.

What do you say about the design?

Not that I’m a pro, I’m doing this for pure pleasure. I have to do something creative every now and then.

Here is the result after three pots of coffee.

The weather radar system on the Bombardier Global 7500 for example is a state-of-the-art system that provides pilots with real-time information about weather conditions during flights. The system detects precipitation and other weather conditions, and displays this information on a graphical display in the cockpit.

One of the key features of the Global 7500 weather radar system is its range. The system has a maximum range of around 320 miles, which allows pilots to see weather conditions up to that distance from the aircraft. This is particularly useful for long-range flights over large bodies of water or in areas with little ground-based radar coverage, as it allows pilots to see potential storms or other hazardous weather conditions before they get too close.

The Global 7500 weather radar system also has a number of modes that allow pilots to customize the way the system displays information. The system offers a graphical display of precipitation both laterally and vertically, as well as the ability to detect turbulence related to precipitation, map the ground, and optionally predict windshear, making it easier for pilots to see and avoid the most dangerous weather conditions.

One important thing to note about any weather radar system is that it is not foolproof. These systems have a number of limitations, including their range, resolution, and sensitivity to interference. Pilots should always be aware of these limitations and use the weather radar system as one of several sources of information when making decisions during flights.

• One major limitation of aviation weather radars is their range. These systems typically have a maximum range of around 300 miles, which means that pilots may not be able to see weather conditions beyond that distance.
• Another limitation of aviation weather radars is their resolution. These systems use microwaves to detect precipitation and other weather conditions, but the resolution of these microwaves is often not fine enough to distinguish between different types of precipitation or to accurately measure the intensity of a storm. As a result, pilots may not be able to accurately assess the severity of a storm or determine the best course of action to avoid it.
• A third limitation of aviation weather radars is their sensitivity to interference. These systems can be disrupted by a variety of factors, including interference from other radar systems, metallic objects on the aircraft, and even the presence of certain types of terrain. This can cause the radar to produce inaccurate or misleading information, which can be dangerous for pilots who rely on the system for decision-making.
• One additional limitation of aviation weather radars is the possibility of hidden storms behind displayed storms. These systems are designed to detect precipitation and other weather conditions by emitting microwaves that are reflected back to the radar antenna. However, the microwaves may not be able to penetrate through heavy rain or other types of precipitation, meaning that storms or other weather conditions behind the displayed storm may not be visible on the radar.

This can be particularly dangerous for pilots who rely solely on weather radars to avoid storms, as they may not be aware of the hidden storm until they are much closer. It is important for pilots to be aware of this limitation and to use other sources of information, such as weather forecasts and pilot reports, to supplement their understanding of the weather conditions they may encounter during a flight.

I have learned to be cautious when flying in areas with heavy rain or other types of precipitation, as there is always the possibility of hidden storms that may not be visible on the radar. By using a combination of weather radars and other sources of information, I can better assess the weather conditions I may encounter and make informed decisions to ensure the safety of my passengers and crew.

Despite these limitations, aviation weather radars can still be a valuable tool for pilots. In addition to helping pilots avoid dangerous weather conditions, these systems can also be used to track storms and predict their movements, allowing pilots to plan their routes accordingly.

In conclusion, while aviation weather radars can be an important resource for pilots, it is important to understand their limitations. Pilots should be aware of the range, resolution, and sensitivity issues associated with these systems and use them as one of several sources of information when making decisions during flights.

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TL;DR below:

Vista Global Holding, a leading global private aviation group, announced strong financial performance for the year 2022. The company saw a growth of over 50% in revenue compared to the previous year, driven by a 74% increase in gross hours sold through its VistaJet program membership.

This equates to over three times pre-pandemic levels and gives insight into forward demand due to three-year client signings. The company attributed this success to strong growth across all of its core regions and offerings, as well as investments in global infrastructure and technology through acquisitions such as Air Hamburg and Jet Edge.

Additionally, the company has invested in sustainable aviation technologies through its acquisition of Camber Technologies and investment in Dufour Aerospace.

The company’s fleet also expanded by 117 aircraft during the year, bringing its total fleet to over 360 aircraft globally.

The company’s CEO, Thomas Flohr, expressed excitement for the future and the company’s commitment to developing innovative and advanced flying solutions for its clients.

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