Garmin Autoland and Autothrottle Retrofit Certified for King Air 350

Introduction

The aviation industry is experiencing a pivotal shift with the Federal Aviation Administration (FAA) certification of Garmin’s Autoland and Autothrottle systems for retrofit installation in select Beechcraft King Air 350 aircraft equipped with the G1000 NXi flight deck. This milestone marks the first time these advanced autonomous safety technologies are available as retrofit solutions for twin-engine turboprop aircraft, expanding their reach beyond new aircraft deliveries to the vast existing fleet. The development not only enhances operational safety for one of the most widely used turboprop platforms but also underscores the growing momentum toward intelligent automation in general aviation.

Garmin’s certification signals a new era where Automation can intervene during critical flight scenarios, such as pilot incapacitation or engine failure, to prevent accidents and reduce pilot workload. As the retrofit and modernization market grows, the availability of such technologies offers operators a cost-effective way to upgrade safety and efficiency without the need for new aircraft acquisition. This article explores the historical evolution, technical capabilities, market implications, and future prospects of Garmin’s Autoland and Autothrottle retrofit certification for the King Air 350.

Historical Development of Autoland Technology

Autoland technology has its origins in the post-World War II era, when poor visibility at European airports necessitated the automation of landings to improve safety. The Blind Landing Experimental Unit, established in the mid-1940s in the United Kingdom, pioneered research that led to the first successful autoland systems. These early efforts demonstrated that autopilots could track Instrument Landing System (ILS) signals more accurately than human pilots, especially in low-visibility conditions. The principles established during this period, such as minimum visibility requirements and target safety levels, remain foundational to autoland system certification today.

Garmin began its journey into emergency autoland technology in 2001, launching a full-scale development program in 2010. The company invested heavily, with over 100 employees and significant financial resources dedicated to the project. Extensive flight testing, including hundreds of test landings across multiple aircraft types, culminated in the first commercial certification of Garmin Autoland on the Cirrus Vision Jet in 2020. This achievement was recognized with the 2020 Collier Trophy, awarded for the greatest achievement in American aeronautics or astronautics.

Since then, Garmin has expanded autoland capabilities to other platforms, including the Piper M600 and, more recently, the Beechcraft King Air series. The progression from single-engine to twin-engine aircraft certification required additional safety analysis to address the complexities of multi-engine operations. The King Air 350 certification represents the latest step in this evolution, bringing advanced automation to a broader segment of the general aviation market.

“The certification of Autoland and Autothrottle for retrofit installation on the King Air 350 is a transformative step in general aviation safety, offering unprecedented emergency response capabilities to existing aircraft operators.”

King Air 350 Aircraft Platform and Market Analysis

Platform Overview and Capabilities

The Beechcraft King Air 350 is a flagship twin-engine turboprop, renowned for its versatility, reliability, and performance. Introduced in 1990, the aircraft features a maximum takeoff weight of 15,000 pounds, a cruise speed of 320 knots, and a range of up to 1,800 nautical miles in standard configurations. Its spacious cabin, robust landing gear, and ability to operate from shorter or unimproved runways make it a preferred choice for corporate, government, and special mission operators worldwide.

The King Air 350’s popularity is reflected in its fleet size, nearly 800 units produced between 1990 and 2009, and its strong value retention in the pre-owned market. Operators appreciate its operational flexibility, lower operating costs compared to jets, and compatibility with advanced avionics upgrades like the Garmin G1000 NXi. This makes the King Air 350 an ideal candidate for retrofit solutions that enhance safety and automation.

Market data indicates that approximately 5% of the King Air 350 fleet is for sale at any given time, with asking prices ranging from $2.25 million to $6 million depending on age, usage, and equipment. The aircraft’s enduring appeal and broad operator base create a substantial addressable market for retrofit technologies like Autoland and Autothrottle.

Retrofit Market Dynamics and Economic Impact

The aircraft retrofit and modernization market is experiencing robust growth, driven by aging fleets and the high cost of new aircraft. The global aircraft refurbishing market was valued at over $24 billion in 2023 and is projected to surpass $39 billion by 2030. For Military-Aircraft, the global modernization and retrofit market is expected to grow from $62.6 billion in 2024 to $84.8 billion by 2033. North America leads this sector, benefiting from technological expertise and a large installed base of legacy aircraft.

For operators, retrofitting provides a cost-effective path to extend aircraft service life, improve safety, and comply with evolving regulatory and insurance requirements. Garmin’s integrated G1000 NXi platform streamlines the retrofit process, reducing installation costs and enabling the seamless addition of advanced features such as Autoland and Autothrottle. This approach not only lowers barriers to adoption but also creates opportunities for recurring revenue through software updates and maintenance contracts.

The economic benefits extend to job creation and skill development within the aviation maintenance and services sector. Authorized Garmin dealers and service centers are equipped to perform these complex installations, supporting local economies and fostering specialized technical expertise.

Competitive Landscape and Regulatory Milestones

Garmin’s leadership in the Avionics market is underpinned by its comprehensive product portfolio, vertical integration, and strong brand reputation. The company holds a dominant position in aviation GPS and marine navigation, with limited competition from other avionics manufacturers. Its commitment to research and development, evidenced by nearly $1 billion in annual R&D spending, enables continuous innovation in automation and safety technologies.

The certification of Autoland and Autothrottle for the King Air 350 follows a deliberate regulatory process involving extensive validation and safety analysis. The FAA approval builds upon earlier certifications for single-engine aircraft, while the European Union Aviation Safety Agency (EASA) has also certified these systems for retrofit on King Air 200 models. This dual recognition facilitates global market access and sets a precedent for future international certifications.

As the retrofit market expands, Garmin’s integrated approach positions it favorably against competitors who offer only component solutions. The ability to provide a complete avionics ecosystem, spanning navigation, automation, and safety, creates compelling value for operators seeking to modernize their fleets efficiently.

Technical Capabilities and Safety Implications

Autothrottle and Autoland Functionality

Garmin’s Autothrottle system automates engine power management throughout all phases of flight, from takeoff to landing. It maintains engine protection by preventing exceedances of temperature and torque limits and can automatically adjust throttle settings based on climb, cruise, and descent profiles. In emergency scenarios, such as engine failure, Autothrottle can instantly set the failed engine’s power lever and optimize the operative engine for safe flight, reducing pilot workload and minimizing the risk of incorrect responses.

The Autoland system is even more sophisticated, capable of autonomously navigating the aircraft to a safe landing in the event of pilot incapacitation or other emergencies. It evaluates multiple factors, including weather, fuel, runway suitability, and terrain, when selecting a diversion airport. Autoland also communicates with air traffic control and provides real-time updates to passengers, ensuring clarity and coordination during an emergency landing sequence.

Activation of Autoland can be initiated by pilots or passengers via a dedicated, guarded button, or automatically if the system detects a critical emergency. To prevent inadvertent activation, pilots can easily disengage the system using standard autopilot disconnect procedures.

“In the event of engine failure, Garmin’s Autothrottle system can automatically manage throttle settings to maintain safe airspeed and directional control, providing a critical safety net during high-stress situations.”

Accident Prevention and Safety Record

The King Air family has an impressive safety record, with more than 40 million flight hours and a lower accident rate than many comparable twin-engine aircraft. However, specific incidents highlight the potential for automation to prevent tragedies. For example, a 2019 King Air 350 crash following an engine failure and incorrect rudder input resulted in the loss of all 10 people aboard. The National Transportation Safety Board identified pilot error during a high-stress emergency as a key factor.

Automated systems like Autothrottle and Autoland are designed to address precisely these scenarios. By providing immediate, correct responses to engine failures and other emergencies, they reduce the likelihood of human error and ensure that critical procedures are executed without delay. Industry experts and accident investigators acknowledge that such technology could have prevented certain fatal Accidents by maintaining control and executing emergency landings autonomously.

The psychological challenges faced by pilots during emergencies, such as stress-induced impairment, underscore the value of automation as a safety backup. Consistent, reliable system performance provides an additional layer of protection for both pilots and passengers.

Training, Implementation, and Future Prospects

Successful adoption of advanced automation relies on comprehensive training for pilots and maintenance technicians. Garmin provides both ground and flight training to ensure crews understand normal and emergency operations, system limitations, and manual override procedures. Simulator-based training allows pilots to experience emergency scenarios and practice activating Autoland in a controlled environment.

Maintenance personnel also require specialized training to service and troubleshoot these complex systems. Garmin’s authorized service network supports ongoing training and ensures high standards of installation quality and system reliability. Operational integration includes updating standard operating procedures, checklists, and emergency protocols to incorporate new automation capabilities.

Looking ahead, the certification of Autoland and Autothrottle for retrofit installation is a stepping stone toward broader adoption of autonomous flight technologies. As artificial intelligence, sensor integration, and regulatory frameworks evolve, the industry is likely to see routine automation move from emergency backup to standard operation, further enhancing safety and efficiency across the general aviation fleet.

Conclusion

Garmin’s FAA certification of Autoland and Autothrottle for the King Air 350 is a landmark achievement in aviation safety and automation. By making these systems available as retrofit solutions, Garmin empowers operators to enhance the Safety of existing aircraft without the prohibitive costs of new acquisitions. The economic and operational benefits are significant, with the retrofit market poised for continued growth as operators seek to modernize aging fleets and comply with evolving safety standards.

This certification not only addresses critical safety challenges, such as emergency response and pilot incapacitation, but also sets the stage for the future evolution of autonomous flight. As technology matures and regulatory acceptance grows, systems like Autoland and Autothrottle are likely to become standard features, democratizing access to advanced safety and automation for operators worldwide.

FAQ

What is Garmin Autoland?
Garmin Autoland is an emergency automation system that can autonomously land an aircraft in the event of pilot incapacitation or other critical situations. It selects a suitable airport, navigates to it, communicates with air traffic control, and lands the plane safely without pilot input.

What does the Autothrottle system do?
The Autothrottle system automatically manages engine power settings throughout all phases of flight, optimizing performance and protecting against engine exceedances. In emergencies, it can instantly adjust throttle settings to maintain safe flight profiles.

Which King Air 350 aircraft are eligible for the retrofit?
The retrofit is available for select Beechcraft King Air 350 aircraft equipped with the Garmin G1000 NXi integrated flight deck. Operators should consult with Garmin or authorized dealers for specific eligibility criteria.

How does Autoland improve safety?
Autoland provides an automated backup in emergencies, executing critical procedures such as diversion, approach, and landing autonomously. This reduces the risk of pilot error during high-stress situations and can prevent accidents caused by incapacitation or incorrect manual responses.

Has Autoland been certified outside the United States?
Yes, the European Union Aviation Safety Agency (EASA) has certified Autoland and Autothrottle for retrofit installation on King Air 200 aircraft equipped with G1000 NXi avionics, paving the way for broader international adoption.

Sources:
prnewswire.com,
Beechcraft