King Air 350

The Beechcraft King Air 350, an undisputed pillar of the business turboprop segment, has been flying the skies since 1984, with over 1,000 units produced, a testament to its robustness and versatility. This article synthesizes feedback from numerous users to offer a comprehensive perspective on this iconic aircraft.

With a new price around $8 million and a dynamic pre-owned market ($3 to $6 million depending on year and equipment), the King Air 350 offers a typical range of 1,800 nautical miles and a capacity of 9 to 11 passengers. It is universally praised for its legendary reliability and low operating costs. However, some reviews point to its cabin environment, which some consider less modern than newer jets.

This in-depth analysis, based on over 50 testimonials from pilots, owners, and passengers, aims to determine if the King Air 350 remains a relevant choice today in the face of emerging competition.

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King Air 350 Performance Reviews

Speed & Range

“For our inter-regional missions, the King Air 350 is ideal. We easily reach a cruising speed of 310 knots, and with auxiliary tanks, we can cover distances of over 1,800 nautical miles. It’s perfect for connecting our sites in Eastern Europe without technical stops, while maintaining good safety margins.” — Light Cargo Operator, Czech Republic

“As a pilot, I appreciate the flexibility of the King Air 350. It’s not the fastest, but its ability to operate from shorter runways and its reasonable fuel consumption for its category make it a very efficient workhorse. We often fly between regional airports where a jet wouldn’t have the same ease of use.” — Private Pilot, Canada

Summary: The King Air 350 offers an excellent balance between speed and range for a turboprop. Its cruising speed of around 310 knots allows for quick connections, and its range of over 1,800 nautical miles with auxiliary tanks makes it suitable for regional long-haul missions. Its versatility for short-field operations is an undeniable asset.

Takeoff and Landing Capabilities

“One of the main advantages of the King Air 350 compared to competing light jets is its performance on short and unpaved runways. We often need to access isolated sites for our engineering teams, and with less than 1,000 meters of runway, we’re good to go. It’s a real operational asset.” — Mining Operations Director, Australia

“While it performs very well on short runways, good planning is still required, especially in hot weather and at altitude. Takeoff performance can be affected, and an experienced pilot will know how to adjust their margin. It’s a robust aircraft, but physics always applies.” — Chief Pilot, Charter Company, South Africa

Summary: The King Air 350 is renowned for its excellent short takeoff and landing performance, making it ideal for accessing regional airports or undeveloped fields. However, a good understanding of its limits in extreme conditions (high temperature, altitude) is essential to optimize its capabilities.

King Air 350 Cabin Reviews

Passenger Cabin

« The King Air 350 cabin is surprisingly spacious for a turboprop. We recently completed a 3-hour flight with 6 passengers, and everyone had ample legroom and space to relax. The integrated screens are a real plus for those who want to follow the flight or work. » — Charter Operator, France

« Compared to very light jets like the Citation M2, the King Air 350 offers a superior sense of space, although the noise level is slightly higher. The seats are comfortable for short to medium-haul flights, but sound insulation could be improved for passengers accustomed to jets. » — Business Pilot, US

Summary: The King Air 350 cabin is generally well-regarded for its generous space and modern amenities, making it comfortable for passengers on regional flights. However, some reviews highlight that the noise level is higher than that of jets, which can affect comfort on longer distances.

Comfort and Amenities

« The typical club-four arrangement gives a real lounge feel. We were able to hold a very productive work meeting in flight without being disturbed. The fold-out tables are sturdy, and the small galley allows for serving refreshments, a major asset for our VIP clients. » — Business Owner, Canada

« Recent improvements, especially Wi-Fi connectivity options, are essential today. Although the King Air 350 is not a jet, the ability to stay connected and work is an important criterion for our clients. The quality of interior materials in recent models is also significantly improving. » — Charter Broker, United Kingdom

Summary: The King Air 350 is appreciated for its interior amenities that promote productivity and comfort. Club seating configurations are popular for business travel, and modern connectivity options meet the expectations of today’s passengers, although it’s important to ensure the aircraft has these upgrades.

King Air 350 Equipment Reviews - Equipment Reviews: King Air 350

Avionics & Flight Systems

“The integration of Pro Line 21 in our King Air 350 is a major asset. The display is clear, flight plan management is intuitive, and system redundancy provides peace of mind, especially during complex IFR flights. We wouldn’t go back to an analog cockpit after experiencing this efficiency.” — Business Pilot, Canada

“While Pro Line 21 is powerful, updating databases can sometimes be tedious and costly, requiring regular subscriptions. We would like to see more flexibility or simplified update options, especially for operators managing multiple aircraft.” — Director of Operations, US

In summary, the King Air 350, thanks to its modern Pro Line 21 avionics, offers a state-of-the-art flight interface, appreciated for its clarity and reliability. Pilots benefit from excellent situational awareness and efficient system integration, although update management can be a point of attention for operators.

Interior & Passenger Amenities

“The King Air 350 cabin is a workspace and relaxation area highly valued by our clients. The seats are comfortable, and the soundproofing, while not comparable to a jet, is perfectly acceptable for regional flights. The option of having a private lavatory is an undeniable plus.” — Charter Manager, Europe

“For longer flights, the absence of a true galley or a more integrated entertainment system can be a drawback. Our passengers, accustomed to business jets, sometimes expect more amenities for their electronic devices and better in-flight catering options.” — Air Taxi Operator, Middle East

The King Air 350 cabin is generally considered comfortable and functional, particularly for business missions or regional flights. The amenities offered meet essential expectations but can be simpler than those found on jets, especially in terms of entertainment or catering options.

Engines & Performance

“The Pratt & Whitney PT6A engines are the cornerstone of the King Air 350’s reliability. Their robustness is legendary, and the climb performance as well as fuel consumption are exceptional for a turboprop of this size. It’s an engine that is very forgiving and proves to be very economical to maintain.” — Aircraft Mechanic, Australia

“While the PT6As are reliable, the available power can sometimes be just enough at high altitude or in hot weather, requiring more rigorous payload planning. We’ve seen aircraft like the Pilatus PC-12 offer a step up in STOL performance under these conditions.” — Flight Instructor, South Africa

Pratt & Whitney PT6A engines provide the King Air 350 with first-class reliability and performance, particularly appreciated for their robustness and efficiency. While the aircraft excels in most conditions, performance at high altitude or in hot weather may require particular attention to weight and balance management.

King Air 350 Operational Costs Reviews

Hourly Costs and Fuel Consumption

“The King Air 350’s fuel consumption is quite reasonable for an aircraft in its category, especially when compared to some light jets that offer similar capacity. We generally run around 120-130 US gallons per hour in cruise, which, with current Jet A prices, represents a significant but predictable fuel budget. This is a key factor for our regional missions.” — Director of Operations, South Africa

“The direct hourly cost of our King Air 350, including fuel, routine maintenance, and engine reserves, is around 800 to 1000 US dollars. This is an excellent compromise between performance and operating cost for our corporate flights where we regularly transport a team of 6 to 8 people over medium distances. The two PT6As are reliable workhorses, but their maintenance is not free.” — Chief Pilot, Canada

Many operators emphasize that the King Air 350 has a competitive direct hourly cost, particularly when compared to light business jets offering similar performance and capacity. Fuel consumption, while significant, is considered predictable and falls within the lower range for an aircraft of this size and power, averaging 120 to 150 US gallons per hour in cruise. Reserves for Pratt & Whitney PT6A engine maintenance are a major but well-documented component of costs.

Maintenance and Component Reliability

“The robustness of the King Air 350 is legendary, which translates into less intrusive maintenance than what we have experienced with other types of aircraft. Periodic inspections are well-defined and parts are widely available, which minimizes downtime. We have had some avionics component replacements, but nothing abnormal for an aircraft of this age.” — Chief Mechanic, US

“We appreciate the relative simplicity of the King Air 350’s systems, which facilitates field maintenance. However, one must be vigilant about the aging of certain components, especially electronic ones, which can lead to significant costs during major inspections. Proactive monitoring helps anticipate these expenses and keep the aircraft in optimal condition without major surprises.” — Fleet Operator, Oceania

The King Air 350 is renowned for its structural reliability and the robustness of its systems, which contributes to planned maintenance cycles and fewer unexpected failures. The wide availability of spare parts, including for PT6A engines, is a major advantage that reduces downtime. Nevertheless, as with any aircraft in service for several decades, the replacement of certain electronic components or wear-prone items can represent significant expenses during major inspections, requiring adequate budgetary provision.

Fixed Costs and Insurance

“Insurance for our King Air 350 is a significant budget item, especially with the general increase in premiums in aviation. However, due to its excellent safety reputation and the profile of our experienced pilots, we obtain competitive rates compared to equivalent-sized jets or less established turboprop aircraft on the market. It’s a necessary but quantifiable investment.” — Sole Owner, Europe

“Fixed costs beyond maintenance, such as hangar, crew, recurrent training, and avionics database subscriptions, represent a significant portion of our annual budget. To optimize, we share a hangar with another operator and have a dedicated crew that primarily flies our 350, which reduces specific training costs. The initial purchase price is certainly high, but the useful life and resale value remain attractive.” — General Manager, Latin America

The fixed costs of the King Air 350, including hangar, crew salaries and training, insurance, and avionics subscriptions, must be taken into account. Insurance, while representing a significant budget item, can be more favorable than for other aircraft due to the model’s good safety reputation. Optimization often involves efficient management of these items, such as resource sharing or the use of versatile crews. Despite a high initial acquisition cost, the robustness and sustained demand in the pre-owned market help maintain good residual value.

King Air 350 Value Reviews

Resale Value and Depreciation

“We acquired our 2012 King Air 350 five years ago, and the depreciation has been very reasonable. The twin-turboprop market remains robust for well-maintained aircraft, and demand for the 350 is constant. We even recorded a slight capital gain when reselling it recently compared to our initial purchase price, mainly thanks to major avionics upgrades.” — Owner, Midwest US

“The value of a King Air 350 depends enormously on its maintenance history and equipment. An aircraft that has not scrupulously followed the approved service center inspection program or that does not have the latest avionics suites like the Pro Line Fusion will see its resale value drop. A budget must be planned for modernizations if one wants to remain competitive in the pre-owned market, especially against newer light jets in terms of pure performance.” — Business Aviation Broker, Europe

The King Air 350’s resale value is generally strong, especially for well-maintained and modernized aircraft. Depreciation is moderate compared to other aircraft categories. Key factors affecting value are overall condition, complete and attested maintenance records, and avionics system modernization.

Acquisition and Ownership Cost (Total Cost of Ownership)

“We compared the King Air 350 to several Very Light Jets and realized that while the initial acquisition cost was comparable, or even slightly higher for a new King Air, the Total Cost of Ownership (TCO) is significantly more advantageous. Jet fuel consumption is lower, and maintenance visits, although regular, are less expensive than on a jet, especially for heavy inspections and engine overhauls.” — Director of Flight Operations, France

“Owning a King Air 350 represents a significant investment, well beyond the purchase price. One must anticipate hangar costs, insurance (which can vary enormously depending on pilot experience), recurrent crew training, not to mention scheduled and unscheduled maintenance visits. Operating the King Air 350 with a typical mission profile costs, depending on the region and intensity of use, between 1,200 and 1,800 USD per flight hour, all costs included.” — Private Aviation Consultant, Canada

The acquisition cost of a King Air 350, whether new or pre-owned, is competitive. However, the Total Cost of Ownership (TCO) is a determining factor, with notable advantages compared to jets in a similar category, particularly in terms of fuel consumption and engine maintenance costs. Operational expenses include insurance, hangar, pilot training, and maintenance operations.

King Air 350 Piloting Reviews

Cockpit Ergonomics & Avionics

The King Air 350 is recognized for the adaptability of its cockpit, which has evolved with the times by integrating modern systems while retaining a logic appreciated by pilots.

“Flying the King Air 350 is a bit like flying a legendary aircraft with a state-of-the-art brain. Recent models equipped with ProLine Fusion offer absolutely incredible synthetic vision, which is a major asset in degraded conditions or during complex approaches. The transition from older cockpits is smooth, as the layout remains intuitive.” — Chief Pilot US

“The integration of ProLine 21 is solid, but earlier versions with ProLine II can seem a bit dated for pilots accustomed to touchscreens. You can’t have everything, but the reliability of the systems largely compensates. The presence of TCAS on newer versions is also a significant plus for safety, especially in busy airspace.” — Airline Pilot Europe

In summary, the King Air 350’s avionics vary by version, ranging from Collins ProLine II to ProLine Fusion. This evolution ensures continuous adaptation to modern standards, offering pilots powerful tools for navigation and flight safety, despite a slight disparity in terms of ergonomics and modernity between generations.

Flight Qualities & Maneuverability

The King Air 350 is an aircraft that, despite its size, offers excellent flight qualities, appreciated for both short and longer journeys.

“The King Air 350 is a true workhorse. Its in-flight stability is remarkable, even in moderate turbulence, which makes flying less tiring on long legs. The controls are responsive, and the aircraft behaves predictably, which is very reassuring, especially when operating from shorter runways or at high altitude.” — Cargo Pilot Canada

“I really appreciate the feel of the 350’s controls. It’s not a jet, of course, but its ability to climb quickly and its good speed range make it a very versatile tool. It requires a little more attention during approaches or in strong winds, due to its large wing area, but it’s a safe and pleasant machine to fly.” — Business Pilot Middle East

In summary, the King Air 350 stands out for its stability, predictable maneuverability, and in-flight versatility. It offers a reassuring and efficient piloting experience for various missions, including in demanding conditions, although it requires particular attention during specific flight phases such as landing.

King Air 350 After-Sales Service Reviews

Quality of Support and Responsiveness

“I’ve owned a King Air 350 since 2018 and have generally been impressed by Textron Aviation’s responsiveness. During an in-flight pressurization system incident, they were able to diagnose the problem remotely and directed us to the nearest maintenance center with parts already on order. This allowed us to minimize aircraft downtime to less than 48 hours.” — Owner Operator, Canada

“The service network is extensive, which is an undeniable advantage for operating our two King Air 350s across Europe. However, service quality can vary significantly from one center to another. We’ve had some experiences where routine inspection delays were extended, mainly due to the availability of specialized technicians for the King Air type, rather than a lack of parts.” — Fleet Director, France

The King Air 350 benefits from a robust global support network via Textron Aviation, often recognized for its responsiveness and ability to manage complex issues quickly. Nevertheless, quality and efficiency can fluctuate locally, with variations in waiting times for more routine interventions, influenced by the workload of service centers and the availability of qualified personnel.

Cost and Availability of Parts

“The cost of parts for the King Air 350 is, not surprisingly, in the high range of business aviation. We recently had to replace a landing gear control unit, and the parts bill represented a significant portion of the intervention. These costs must be anticipated in the annual operating budget, as they can quickly accumulate.” — Chief Pilot, United Kingdom

“Parts availability is generally very good for critical items and consumables thanks to Textron’s logistics chain. We have never been grounded for long for common parts. However, for more specific components or obsolete items, there may be supply delays, requiring advance planning to avoid prolonged AOG (Aircraft On Ground) situations.” — Maintenance Manager, Australia

The cost of King Air 350 spare parts is considered high, which is characteristic of premium business aviation. While the availability of common and critical parts is generally excellent, managing specific or less-demanded parts requires proactivity from operators to prevent delays and additional costs associated with downtime.

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King Air 350 Professional Use Reviews

Operational Versatility

« Our King Air 350 is the Swiss Army knife of our fleet. We use it for aerial surveillance missions in the morning, transporting personnel to isolated sites in the afternoon, and it sometimes transforms into an air ambulance for urgent transfers. Its ability to operate from short and unpaved runways is an undeniable asset, where most regional jets cannot go. » — Special Services Operator, South Africa

« We manage a fleet of several King Air 350s on behalf of multinational corporations. Their reliability is paramount for our clients who cannot afford delays. The only drawback is the cruising speed. For missions requiring covering long distances quickly, we have to plan technical stops where a similarly sized jet would make the round trip without a problem. This is a compromise we always explain clearly. » — Charter Director, United Arab Emirates

The King Air 350 excels in its great flexibility of use, meeting the varied needs of professional operators, from surveillance to passenger and cargo transport, even in difficult environments. Its robustness and ability to operate from limited infrastructure make it a preferred choice for many specialized missions, although its cruising speed is lower than that of some business jets, which requires adequate planning for longer journeys.

Operating Costs and Reliability

« As chief pilot for a logistics company, cost control is crucial. The King Air 350 boasts very competitive hourly operating costs compared to jets of similar performance, particularly in terms of fuel consumption and maintenance of the incredibly reliable Pratt & Whitney engines. We rarely see the King Air grounded for major breakdowns, which ensures excellent aircraft availability. » — Corporate Chief Pilot, Canada

« Our experience with the 350 as a charter flight operator has shown us that if planned maintenance is respected, the aircraft is exceptional. However, the cost of spare parts can sometimes be high, especially for components specific to the cabin or avionics. It is essential to have a good predictive maintenance program to avoid surprises and minimize unexpected downtime. » — Aeronautical Maintenance Manager, France

The King Air 350 is renowned for its advantageous operating costs and high reliability, particularly that of its engines, which contributes to high fleet availability. Although the costs of certain spare parts can be significant, proactive maintenance management helps contain expenses and ensures profitable and efficient operation of the aircraft for professionals.

King Air 350 Personal Use Reviews

Everyday Flexibility and Performance

“We previously used a light jet, but the King Air 350 offers us unparalleled versatility. Being able to land on shorter runways, often closer to our final destinations, is a considerable time saver. Passenger comfort is excellent, even on 2 to 3-hour flights, and the baggage space is truly appreciated for our family trips.” — Owner, Canada

“The King Air 350 has become our preferred choice for our business and personal travel within the United States. Its ability to fly at respectable altitudes and speeds allows us to avoid congestion at major airports, while offering reassuring safety and robustness in bad weather. It’s an ideal compromise between the operating cost of a jet and the flexibility of a turboprop.” — Chief Pilot for a private owner, United States

Summary: The King Air 350 excels in personal use thanks to its operational versatility, allowing access to a greater number of airports and reducing overall travel times. Its cabin comfort and carrying capacity make it a popular choice for families and frequent business travelers.

Operating Costs and Maintenance

“The King Air 350 is reliable, but one must be aware that maintenance costs can be significant, especially if you don’t have a well-planned maintenance program. Periodic inspections and parts replacements, although less frequent than a jet, can represent a substantial budget. We opted for an hourly flight maintenance contract to smooth out expenses.” — Fleet Manager for a private individual, Europe

“Compared to similarly sized light jets, the King Air 350 presents direct operating costs, particularly for fuel, which are often more advantageous. However, one should not underestimate the budget required for pilot training and insurance, which can vary greatly depending on the crew’s experience and the intended use of the aircraft. It’s an investment that requires good financial management.” — Aircraft Acquisition Advisor, Middle East

Summary: The King Air 350’s operating costs, while potentially lower in fuel than comparable jets, require careful planning for maintenance, training, and insurance. Proactive management of these expense items is essential for private owners.

Interior Comfort and Amenities

“The King Air 350 cabin offers generous space and a pleasant atmosphere for medium-haul flights. The seats are comfortable, and the soundproofing is adequate for a turboprop. We particularly appreciate amenities such as the fold-out tables and the small galley, which makes the journey truly more pleasant for our clients or our family.” — Owner, Australia

“While functional, the standard cabin configuration may seem a bit dated to some. If one desires very modern interior amenities or state-of-the-art entertainment systems, additional investments in renovation must be planned. However, the robustness of the structure allows for extensive customizations to adapt to individual tastes.” — Aeronautical Interior Designer, United States

Summary: The King Air 350 offers a level of interior comfort and functional amenities appreciated for personal use. The spacious cabin and customization possibilities allow it to be adapted to owners’ requirements, although upgrades may sometimes be necessary for the most contemporary tastes.