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King Air 90

Turboprop

The Beechcraft King Air 90 is the original pioneer of the twin-turboprop era combining reliable performance with the flexibility to operate from short and challenging runways. Its compact yet pressurized cabin delivers comfort and capability rarely found in aircraft of its size. Whether for business, charter, or personal travel, the King Air 90 brings you closer to your destination with proven versatility and efficiency no compromise required.

The Pioneer of a Turboprop Legacy

Overview

The Beechcraft King Air 90, first introduced in 1964, is the aircraft that launched the world’s most successful family of twin-turboprops. Designed to offer the safety and performance of jet aircraft with the efficiency and accessibility of turboprops, it quickly became a favorite among private owners, charter operators, and government agencies worldwide.

Powered by Pratt & Whitney PT6A engines, the King Air 90 delivers dependable performance, excellent short-field capability, and remarkable operational flexibility. Its pressurized cabin, compact size, and twin-engine reliability make it perfectly suited for regional corporate travel, air ambulance operations, and personal missions where efficiency and access are key.

Over the decades, continuous refinements have enhanced its avionics, cabin comfort, and range ensuring the King Air 90 remains a trusted and relevant platform in modern aviation. As the foundation of the King Air lineage, it set the standard for versatility, reliability, and comfort in the light turboprop category.

Smart Cabin Design in a Compact Aircraft

Luxury interior

The King Air 90 offers a cabin that blends practicality, comfort, and pressurization in a compact, efficient airframe. Designed to provide a smooth and quiet experience for regional travel, it stands out among light turboprops for its spacious feel, reliability, and flexible seating options.

Pressurized Comfort in a Compact Frame

Unlike many light aircraft in its category, the King Air 90 features a fully pressurized cabin, allowing passengers to travel in greater comfort and above most weather, even on shorter missions.

Flexible Seating Configurations

Typically seating 5–7 passengers, the cabin can be arranged for business, charter, or personal use. Its adaptability makes it suitable for executive transport, medevac setups, or leisure travel.

Quiet, Functional Cabin Design

Later variants introduced noise-reduction improvements and refined finishes, ensuring a quieter, more comfortable ride. Large oval windows bring natural light, creating a welcoming and practical environment for regional journeys.

Key Specifications & Performance

Technical Characteristics

The Beechcraft King Air 90 delivers exceptional versatility, combining the proven reliability of twin PT6A engines with outstanding short-field performance. Designed to access airports that many jets and larger turboprops cannot, it offers unmatched flexibility for regional missions. With excellent climb capability, efficient cruise speeds, and the ability to operate from grass or shorter runways, the King Air 90 connects passengers to more destinations with ease and efficiency.

Performance

Maximum Cruise Speed

≈ 270 knots (500 km/h) efficient regional cruising with twin-turboprop reliability.

Maximum Range

≈ 1,260 nautical miles (2,334 km) with reserves, ideal for business, charter, or personal missions.

Service Ceiling

30,000 ft (9,144 m), pressurized comfort for smooth operations above most weather.

Takeoff Distance

≈ 2,100 ft (640 m), excellent short-field capability for a light twin turboprop.

Landing Distance

≈ 2,700 ft (823 m), safe and reliable access to small and regional airports.

Rate of Climb

≈ 2,230 ft/min, strong climb performance thanks to efficient twin PT6A engines.

Capacity

Passengers

Typically 5–7 in standard seating configurations.

Crew

1 pilot (single-pilot certified), optional second pilot for operational flexibility.

Cabin Volume

≈ 227 cu ft (6.4 m³), practical space for regional travel and flexible seating layouts.

Cabin Dimensions

Length: 12.5 ft (3.8 m)

Width: 4.5 ft (1.37 m)

Height: 4.8 ft (1.45 m)

Fuel & Engines

Fuel Capacity

≈ 384 US gallons usable (≈ 1,454 liters), providing excellent endurance for regional operations while maintaining economical operating costs.

Engines

2 Pratt & Whitney Canada PT6A-135A turboprop engines, renowned for reliability, efficiency, and low maintenance requirements.

Provide strong performance in hot-and-high conditions and short-field environments

Thrust (each)

550 shp per engine for a combined 1,100 shp, ensuring solid acceleration, climb performance, and operational flexibility.

Cargo & Access

Cargo Door Size

Standard passenger door; optional cargo door on some variants for special missions

Approx. 53 in × 52 in (1.35 m × 1.32 m) when equipped enabling easy loading of oversized items or medevac stretchers.

Baggage Compartment

Internal baggage area: ≈ 48 cu ft (1.36 m³)

Easily accessible during flight

Practical load: 4–6 standard roller bags plus soft luggage depending on seating configuration

Cabin layout allows for flexible baggage arrangements in commuter or executive versions.

A Legacy Enhanced by Modern Technology

Key feature

The Beechcraft King Air 90 has evolved over decades to remain a leader in the light turboprop category. Blending its pioneering design with contemporary technology and proven performance, it offers operators a unique combination of modern avionics and exceptional field versatility, making it an enduring and adaptable platform for a wide range of missions.

Outstanding Short-Field Performance

Performance & Technical Excellence

With takeoff distances as short as 2,100 ft and the ability to operate from grass, gravel, or smaller airstrips, the King Air 90 provides unmatched flexibility in its class. This capability allows access to remote airfields and regional airports that many jets and larger turboprops cannot reach, making it ideal for operators who value reach, efficiency, and operational independence.

Modern Avionics for Confident Flying

Safety & Operational Advantage

The latest C90GTx variant features the Collins Aerospace Pro Line Fusion avionics suite, bringing jet-level situational awareness to a compact turboprop. Large touchscreen displays, synthetic vision, and intuitive navigation enhance safety, simplify workflows, and reduce pilot workload. This modern cockpit transforms the King Air 90 into a technologically advanced platform without losing its legendary efficiency and flexibility.

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King Air 350

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