The Nextant G90XT is a remanufactured turboprop aircraft that represents a significant leap in aviation technology, particularly in the realm of business and utility aircraft. Developed by Nextant Aerospace, the G90XT is a modernized version of the Beechcraft King Air C90, which has been a staple in the aviation industry since its introduction in the 1960s. By integrating advanced avionics, new engines, and a redesigned cabin, Nextant has created an aircraft that offers improved performance, comfort, and efficiency. This article will explore the various aspects of the Nextant G90XT, including its development, design, performance, and market positioning.
Development of the Nextant G90XT
The Nextant G90XT was born out of Nextant Aerospace’s mission to modernize and remanufacture existing aircraft models to meet contemporary standards. The company had already achieved success with its Nextant 400XT, a remanufactured version of the Beechjet 400A, and sought to apply similar innovations to the King Air C90 series. The goal was to create a turboprop that could compete with newer models while offering operators a more cost-effective solution by using an existing airframe.
The development process for the G90XT began in earnest in the early 2010s. By 2015, the aircraft had received primary certification from the Federal Aviation Administration (FAA), allowing it to enter service. The certification process was rigorous, involving extensive flight testing to ensure that the new engines and avionics systems met safety and performance standards. In 2016, the aircraft also received certification from the European Aviation Safety Agency (EASA) for its innovative Electronic Engine and Propeller Control (EEPC) system.
One of the key innovations in the G90XT is its use of General Electric H75-100 turboprop engines, which replaced the older Pratt & Whitney PT6A-135 engines found in earlier King Air models. These new engines offer improved fuel efficiency, greater reliability, and enhanced performance at higher altitudes. Additionally, the G90XT is equipped with a state-of-the-art Garmin G1000 avionics suite, which significantly reduces pilot workload and enhances situational awareness.
Deliveries of the Nextant G90XT began in early 2017, and since then, it has gained popularity among operators looking for a versatile aircraft that can serve a variety of roles, from business travel to medical evacuation (MEDEVAC) missions.
Key Milestones in Development
- 2013: Development of the Nextant G90XT begins.
- November 2015: FAA awards primary certification.
- October 2016: Final certification for EEPC system from EASA.
- Early 2017: First deliveries of the G90XT take place.
Design and Features
The design of the Nextant G90XT retains much of the classic King Air C90 airframe but incorporates numerous upgrades that set it apart from its predecessor. One of the most significant changes is in the cockpit, where Nextant has installed a fully integrated Garmin G1000 flight deck. This advanced avionics system includes three large liquid crystal displays (LCDs), which provide pilots with all necessary flight information in an easy-to-read format.
Cockpit and Avionics
The cockpit of the G90XT is designed with pilot efficiency in mind. The Garmin G1000 system features two primary flight displays (PFDs) and one multifunction display (MFD), which together provide comprehensive flight data. The PFDs show essential information such as altitude, airspeed, heading, and attitude, while the MFD offers additional data like engine performance metrics, navigation maps, and terrain awareness.
One of the standout features of the Nextant G90XT’s avionics suite is its integration with an advanced autopilot system—the Garmin GFC700. This digital autopilot system includes automatic trim capabilities and yaw damper functionality, making long flights smoother and less taxing for pilots. The autopilot can also be used to manage altitude changes and heading adjustments automatically.
Moreover, one of the most innovative aspects of this aircraft is its use of single-lever power control technology through its EEPC system. Traditional turboprop aircraft require pilots to manage both throttle levers for power settings and propeller levers for propeller pitch control separately. However, in the G90XT, these functions are combined into a single lever per engine, simplifying engine management significantly.
Cabin Design
The cabin of the Nextant G90XT has been completely redesigned to offer passengers greater comfort and reduced noise levels compared to older King Air models. The new cabin shell includes an advanced acoustic insulation package that reduces interior noise levels by up to 9.5 decibels compared to stock King Air C90s[2]. This makes for a quieter and more comfortable ride, especially on longer flights.
The cabin can accommodate up to eight passengers in a standard configuration but can be customized depending on specific operator needs. For example:
- VIP transport configurations offer luxurious seating arrangements.
- Cargo or utility configurations maximize space for transporting goods.
- MEDEVAC configurations include specialized equipment for medical emergencies.
In terms of dimensions, the cabin measures:
- Length: 3.83 meters (12.57 feet)
- Width: 1.37 meters (4.49 feet)
- Height: 1.45 meters (4.76 feet)
These dimensions provide ample space for passengers while maintaining a compact overall footprint that allows access to smaller airports with shorter runways.
Exterior Design
Externally, the Nextant G90XT retains much of its King Air heritage but incorporates several aerodynamic improvements aimed at enhancing performance. The aircraft has an overall length of 10.82 meters (35.50 feet) and a wingspan of 16.36 meters (53.67 feet). Despite its relatively small size compared to larger business jets or commercial aircraft, it offers impressive range and speed capabilities.
Unlike some modern turboprops that feature winglets for improved fuel efficiency at high altitudes, the G90XT does not include winglets as part of its design philosophy; instead, it relies on other aerodynamic optimizations to achieve similar performance benefits.
Key Design Features:
- Quiet cabin with noise reduction technology.
- Customizable interior configurations.
- Garmin G1000 avionics with three LCD screens.
- Single-lever power control via EEPC system.
In summary, both inside and out, the design philosophy behind the Nextant G90XT focuses on blending proven airframe reliability with cutting-edge technology to deliver enhanced performance without sacrificing comfort or versatility.
Citations:
[1] https://en.wikipedia.org/wiki/Nextant_Aerospace
[2] https://www.bjtonline.com/business-jet-news/nextant-g90xt
[3] https://www.nextantaerospace.com/g90xt/
[4] https://www.nextantaerospace.com/nextant-aerospace-unveils-newly-designed-g90xt-cabin/
[5] https://www.nextantaerospace.com/nextant-g90xt-performance-data/
Performance and Engine Capabilities
The Nextant G90XT is powered by two GE H75-100 turboprop engines, which are a significant upgrade over the original Pratt & Whitney engines found in the Beechcraft King Air C90. These engines provide a maximum power output of 845 horsepower each, delivering enhanced performance across various flight conditions. The GE H75-100 engines are known for their reliability and efficiency, offering operators lower maintenance costs and better fuel economy compared to older engine models.
One of the standout features of the G90XT’s engine system is its Electronic Engine Control (EEC), which allows for single-lever power control. This is a groundbreaking feature in the turboprop category, as it simplifies engine management for pilots. Traditionally, turboprop aircraft require separate controls for throttle and propeller pitch, but the G90XT combines these into a single control lever per engine. This not only reduces pilot workload but also ensures that the engines are always operating at optimal efficiency under varying flight conditions.
The performance metrics of the Nextant G90XT are impressive for a turboprop aircraft in its class. The aircraft has a maximum cruise speed of 280 knots (519 km/h), making it one of the faster turboprops available on the market. Its service ceiling is set at 30,000 feet, which allows it to fly above most weather disturbances and provides smoother flight experiences. The aircraft also boasts a rate of climb of 2,000 feet per minute, which is particularly useful for quickly reaching cruising altitude after takeoff.
In terms of range, the G90XT has a maximum travel distance of 1,285 nautical miles (2,380 kilometers). This range makes it suitable for medium-haul flights, allowing operators to cover significant distances without needing to refuel frequently. The aircraft’s fuel efficiency is further enhanced by its aerodynamic design and advanced engine technology.
Takeoff and Landing Performance
The Nextant G90XT’s performance on both takeoff and landing is another area where it excels. The aircraft requires just 763 meters (2,503 feet) for both takeoff and landing distances, making it capable of operating from shorter runways than many other turboprops or jets in its class. This short-field performance opens up a wide range of smaller airports and airstrips that are often inaccessible to larger aircraft.
This capability is particularly beneficial for operators who need access to remote or rural locations where runway lengths may be limited. It also makes the G90XT an attractive option for medical evacuation (MEDEVAC) missions or cargo transport operations in areas with limited infrastructure.
Fuel Efficiency and Economy
Fuel efficiency is one of the key selling points of the Nextant G90XT. The GE H75-100 engines not only provide more power but also burn less fuel compared to older models like the Pratt & Whitney PT6A-135 engines used in earlier King Air C90 versions. This translates into lower operating costs over the lifetime of the aircraft.
The G90XT’s fuel tank capacity is 310 gallons (1,173 liters), which provides sufficient fuel reserves for long flights while maintaining excellent fuel economy. Operators can expect significant savings on fuel costs compared to similar turboprop models, making the G90XT an attractive option for businesses looking to minimize operating expenses without sacrificing performance.
Weight Specifications
The weight specifications of the Nextant G90XT are carefully balanced to ensure optimal performance while maximizing payload capacity. The aircraft has a maximum takeoff weight (MTOW) of 4,762 kilograms (10,498 pounds) and a maximum landing weight of 3,595 kilograms (7,926 pounds). These weight limits allow for substantial payloads while maintaining excellent handling characteristics during both takeoff and landing phases.
In terms of payload capacity, the G90XT can carry up to 972 kilograms (2,143 pounds) in addition to its full fuel load. This makes it suitable for a wide range of missions, from passenger transport to cargo operations.
Comparative Performance
When compared to other aircraft in its class, such as the Beechcraft King Air C90GTx or even single-engine turboprops like the Pilatus PC-12 or Socata TBM series, the Nextant G90XT holds its own in terms of speed, range, and operating costs. While it may not have quite as much range as some single-engine competitors like the PC-12 (which can exceed 1,500 nautical miles), it offers superior performance in other areas such as climb rate and short-field capabilities.
Additionally, because it is a twin-engine aircraft, the G90XT provides an added layer of safety that single-engine turboprops cannot match. In the event of an engine failure, having two engines allows pilots to continue flying safely until they can land at an appropriate airport.
Market Positioning and Pricing
The Nextant G90XT is positioned as a cost-effective alternative to brand-new turboprops like Beechcraft’s King Air C90GTx or Pilatus’ PC-12 NGX. With a price tag of approximately $2.8 million, it offers significant savings over new models while providing similar or even superior performance in certain areas.
One of the key advantages that Nextant Aerospace promotes with their remanufactured aircraft is their ability to deliver modern technology at a fraction of the cost associated with new builds. By using existing airframes from King Air C90 models and upgrading them with new engines, avionics systems, and interiors, Nextant can offer customers an essentially “like-new” aircraft at a much lower price point than buying new from Beechcraft or other manufacturers.
This approach has proven successful in other segments as well; Nextant’s remanufactured jets like the 400XTi have been well-received by customers looking for high-performance business jets without paying premium prices for new models. The same philosophy applies to their turboprop offerings with the G90XT.
Citations:
[1] https://www.nextantaerospace.com/nextant-aerospace-unveils-newly-designed-g90xt-cabin/
[2] https://www.nextantaerospace.com/g90xt/
[3] https://en.wikipedia.org/wiki/Nextant_Aerospace
[4] https://www.aerospace-technology.com/projects/nextant-g90xt-turboprop-aircraft/
[5] https://www.nextantaerospace.com/history/
[6] https://www.flyingmag.com/aircraft-turboprops-nextant-g90xt-launched-partnership-ge/
[7] https://kingairnation.com/blog/nextant-g90xt-on-pace-for-year-end-deliveries/
[8] https://www.corporatejetinvestor.com/news/nextant-g90xt-makes-maiden-flight-509/
[9] https://www.flyingmag.com/aircraft-turboprops-nextant-g90xt-completes-first-flight/
Cabin Comfort and Interior Design
One of the most remarkable aspects of the Nextant G90XT is its redesigned cabin, which brings a new level of comfort and sophistication to the turboprop category. Nextant Aerospace has gone to great lengths to ensure that the G90XT’s interior is not only functional but also luxurious, catering to both business travelers and operators looking for a versatile aircraft that can be customized for various missions.
The cabin of the G90XT can accommodate up to seven or eight passengers, depending on the configuration chosen by the operator. The cabin dimensions are:
- Length: 3.83 meters (12.57 feet)
- Width: 1.37 meters (4.49 feet)
- Height: 1.45 meters (4.76 feet)
These dimensions provide a spacious environment for passengers, especially when compared to other turboprops in its class. The cabin is designed to maximize usable space, offering ample legroom and headroom for passengers, making it ideal for both short and medium-haul flights.
Noise Reduction and Environmental Systems
One of the standout features of the G90XT’s cabin is its advanced acoustic insulation package, which reduces ambient noise levels by up to 50% compared to older King Air models[2]. This significant reduction in cabin noise makes for a much quieter and more comfortable flight experience, especially at cruising altitudes. The noise reduction is achieved through a combination of advanced materials and design improvements, which help to dampen engine noise and vibrations.
In addition to noise reduction, the G90XT’s cabin also benefits from an enhanced environmental control system, which provides exceptional ground cooling capabilities[2]. This is particularly useful in hot climates, where keeping the cabin cool while on the ground can be challenging. The environmental system ensures that passengers remain comfortable even before takeoff, making it a valuable feature for operators who frequently fly in warm regions.
Interior Customization Options
Nextant Aerospace offers several customization options for the G90XT’s cabin, allowing operators to tailor the interior to their specific needs. The aircraft can be configured in a variety of ways, including:
- VIP transport: This configuration offers luxurious seating arrangements with bespoke upholstery and fully articulating seats designed for maximum comfort.
- Mixed passenger/cargo: For operators who need flexibility, this configuration allows for both passenger seating and cargo space.
- MEDEVAC (Medical Evacuation): The G90XT can be outfitted with specialized medical equipment for air ambulance services.
- Cargo utility: For operators focused on transporting goods, this configuration maximizes cargo space while still providing seating for essential personnel.
The interior design team at Nextant has paid close attention to detail, ensuring that every aspect of the cabin meets the high expectations of owner-operators. The seats are fully articulating and upholstered with high-quality materials, providing both comfort and durability[2]. Additionally, Nextant has incorporated an all-new LED lighting system into the cabin design, featuring upwash, downwash, aisle lighting, and individual seat controls[2]. This allows passengers to customize their lighting preferences during flight, adding another layer of comfort.
Baggage Space and Storage
The Nextant G90XT also offers ample baggage storage space, with a dedicated baggage compartment that provides 1.36 cubic meters (48 cubic feet) of volume[1]. This is sufficient for storing luggage or equipment needed for various missions. The baggage compartment is easily accessible and designed to handle a maximum baggage weight of up to 159 kilograms (350 pounds).
Comparative Cabin Comfort
When compared to other turboprops in its class—such as the Beechcraft King Air C90GTx or even single-engine competitors like the Pilatus PC-12—the Nextant G90XT stands out due to its superior noise reduction technology and customizable interior options. While many turboprops offer basic seating configurations aimed at maximizing passenger capacity or cargo space, Nextant has taken a more refined approach by offering bespoke finishes and enhanced utilization of available space[2].
The addition of features like advanced thermal insulation systems not only improves passenger comfort but also helps maintain consistent cabin temperatures throughout the flight[2]. This attention to detail makes the G90XT an attractive option for discerning customers who value both performance and luxury.
Technology Integration in Cabin Design
Beyond comfort, the G90XT’s cabin is also equipped with modern technology that enhances both convenience and safety during flights. For instance:
- The LED lighting system is fully adjustable based on passenger preferences.
- The environmental control system ensures optimal temperature regulation even in extreme conditions.
- The acoustic insulation package significantly reduces noise levels inside the cabin.
These technological advancements make flying in the G90XT a more pleasant experience overall, whether it’s being used for business travel or specialized missions like medical evacuations.
Owner-Operator Focused Design
Nextant Aerospace has clearly designed the G90XT with owner-operators in mind. Many of these individuals have higher expectations than corporate flight departments when it comes to customization options and overall cabin comfort[2]. By offering multiple interior configurations and high-end finishes, Nextant ensures that each aircraft meets the specific needs of its owner while maintaining a competitive price point.
The focus on owner-operator satisfaction is evident in every aspect of the aircraft’s design—from its quiet cabin environment to its customizable seating arrangements. As such, it appeals not only to traditional business travelers but also to those who require an aircraft capable of performing multiple roles efficiently.
Citations:
[1] https://aerocorner.com/aircraft/nextant-g90xt/
[2] https://www.nextantaerospace.com/nextant-aerospace-unveils-newly-designed-g90xt-cabin/
[3] https://blog.privatefly.com/king-air-reborn-we-step-inside-the-new-nextant-g90xt
Market Position and Competitive Landscape
The Nextant G90XT occupies a unique position in the turboprop market, primarily due to its status as a remanufactured aircraft. By taking an existing Beechcraft King Air C90 airframe and upgrading it with modern engines, avionics, and cabin features, Nextant Aerospace has created a product that competes directly with both new and used turboprops at a significantly lower price point. This approach allows the G90XT to offer many of the benefits of a new aircraft—such as improved performance, lower operating costs, and enhanced comfort—while maintaining a more accessible price tag.
Pricing and Cost Efficiency
One of the most attractive aspects of the Nextant G90XT is its price. At approximately $2.8 million, the G90XT is considerably less expensive than a brand-new Beechcraft King Air C90GTx, which can cost upwards of $4 million. This price difference is largely due to Nextant’s remanufacturing process, which involves refurbishing existing airframes rather than building new ones from scratch. Despite this, the G90XT offers many of the same features as its newer competitors, including state-of-the-art avionics and advanced engine technology.
In addition to its lower purchase price, the G90XT also offers significant savings in terms of operating costs. The GE H75-100 engines used in the aircraft are more fuel-efficient than older turboprop engines, resulting in lower fuel consumption over the course of a flight. According to Nextant, the G90XT achieves a 10% improvement in fuel efficiency compared to earlier King Air models[1]. This reduction in fuel burn translates into substantial savings for operators, especially those who fly frequently or over long distances.
Maintenance costs are another area where the G90XT shines. The GE H75-100 engines have an extended time between overhaul (TBO) of 4,000 hours or 8,000 cycles, meaning that they require less frequent maintenance than older engines[2]. Additionally, these engines do not require hot section inspections or fuel nozzle maintenance, further reducing ongoing maintenance costs. For operators looking to minimize downtime and reduce operating expenses, these features make the G90XT an attractive option.
Competitors: New vs. Remanufactured Aircraft
The Nextant G90XT competes primarily with other turboprops in the light utility and business aviation categories. Its most direct competitor is likely the Beechcraft King Air C90GTx, which is essentially an updated version of the same airframe that Nextant uses for its remanufactured G90XT. However, there are several key differences between these two aircraft that make the G90XT stand out.
| Feature | Nextant G90XT | Beechcraft King Air C90GTx |
|---|---|---|
| Price | $2.8 million | $4 million+ |
| Engine | GE H75-100 | Pratt & Whitney PT6A-135A |
| Avionics | Garmin G1000 | Pro Line Fusion |
| Fuel Efficiency Improvement | 10% better than older C90 models | Standard for PT6A engine |
| Maintenance | Lower due to no hot section inspections | Higher due to traditional maintenance |
While both aircraft offer similar performance in terms of range and speed, the G90XT’s lower price and reduced operating costs give it a competitive edge for operators who are focused on cost efficiency. Additionally, the single-lever power control system found in the G90XT is a unique feature not available on other turboprops in this category. This system simplifies engine management for pilots and enhances safety by allowing for more precise control over engine performance.
Other competitors include single-engine turboprops like the Pilatus PC-12 and Socata TBM 940, both of which offer similar range and performance but come with their own set of advantages and disadvantages when compared to twin-engine aircraft like the G90XT.
Single-Engine Competitors
The Pilatus PC-12 and Socata TBM 940 are popular choices among operators looking for high-performance single-engine turboprops. These aircraft offer longer ranges than the G90XT (up to 1,800 nautical miles for the PC-12) but come with some trade-offs in terms of safety and redundancy. While single-engine turboprops are generally more fuel-efficient than twin-engine models like the G90XT, they lack the redundancy provided by having two engines—a critical factor for operators flying over remote areas or large bodies of water.
In terms of price, both the PC-12 and TBM 940 are more expensive than the G90XT:
- The Pilatus PC-12 NGX is priced at around $5 million.
- The Socata TBM 940 typically sells for about $4.3 million.
For operators who prioritize safety and redundancy over range or speed, the twin-engine configuration of the Nextant G90XT may be more appealing despite its slightly shorter range compared to these single-engine competitors.
Market Appeal: Who Should Consider the Nextant G90XT?
The Nextant G90XT appeals to a wide range of potential buyers due to its versatility and cost-effectiveness. Some key markets for this aircraft include:
Owner-Operators
The G90XT is particularly well-suited for owner-operators who value both performance and cost savings. Its advanced avionics suite (Garmin G1000) simplifies flight management tasks, making it easier for pilots to operate without needing extensive support from ground crews or copilots. Additionally, its lower purchase price makes it accessible to individuals who might otherwise be priced out of purchasing a new turboprop.
Charter Operators
For charter companies looking to expand their fleets without breaking the bank, the Nextant G90XT offers an attractive combination of low acquisition costs and reduced operating expenses. Its ability to operate from shorter runways also makes it ideal for accessing smaller airports that may not be available to larger jets or less capable turboprops.
Corporate Flight Departments
While some corporate flight departments may prefer larger jets for long-haul flights or international travel, many companies still require smaller aircraft for regional travel or shorter trips between cities. The Nextant G90XT provides an excellent solution for these needs while offering significant cost savings compared to purchasing a brand-new jet or turboprop.
Specialized Missions (MEDEVAC/Cargo)
The customizable interior configurations available with the Nextant G90XT make it suitable for specialized missions such as medical evacuations (MEDEVAC) or cargo transport operations[3]. Its ability to carry up to eight passengers or significant amounts of cargo while still maintaining excellent short-field performance makes it a versatile platform for various mission profiles.
Conclusion
The Nextant G90XT represents a bold step forward in aviation by combining proven airframe reliability with cutting-edge technology at an affordable price point. By remanufacturing existing King Air C90 airframes with modern engines, avionics systems, and cabin upgrades, Nextant Aerospace has created an aircraft that competes directly with new turboprops while offering substantial savings on both acquisition and operating costs.
With its advanced features such as single-lever power control technology, enhanced Garmin G1000 avionics suite, and quieter cabin environment, the G90XT offers significant improvements over older King Air models while maintaining many of their best qualities—such as versatility and reliability.
For owner-operators seeking a cost-effective yet high-performance aircraft; charter companies looking to expand their fleets; or specialized operators requiring flexibility in mission profiles—the Nextant G90XT presents itself as an excellent choice within today’s competitive aviation market.
Citations:
[1] https://en.wikipedia.org/wiki/Nextant_Aerospace
[2] https://kingairnation.com/blog/nextant-g90xt-on-pace-for-year-end-deliveries/
[3] https://www.nextantaerospace.com/nextant-aerospace-unveils-newly-designed-g90xt-cabin/
[4] https://www.avweb.com/ownership/first-flight-for-nextant-g90xt/
[5] https://www.corporatejetinvestor.com/news/nextant-g90xt-makes-maiden-flight-509/
[6] https://www.flyingmag.com/aircraft-turboprops-nextant-g90xt-completes-first-flight/
[7] https://blog.privatefly.com/king-air-reborn-we-step-inside-the-new-nextant-g90xt