The Beechcraft King Air B100 represents a distinctive chapter in the King Air family: a pressurized twin-turboprop aircraft built around business travel, utility, and reliable regional performance. The wider King Air line became one of the most successful turboprop aircraft families in aviation, valued for combining turbine reliability, cabin comfort, and the ability to operate from smaller airports where jet aircraft may be less practical. The B100 belongs to the King Air 100 series, which was developed as a stretched version of the earlier King Air 90, offering a larger cabin and greater capability.

The B100 is especially notable because it was the only King Air 100-series model fitted with Garrett AiResearch/Honeywell TPE331 engines instead of the Pratt & Whitney Canada PT6 engines used on most other King Air models. First flown in 1975 and delivered from 1976, the B100 brought strong climb performance, efficient turbine operation, and the proven King Air cabin concept into a rare and highly recognizable package.

Powerplant, Systems & Technical Highlights

At the heart of the King Air B100 are two Garrett TPE331-6 turboprop engines, commonly listed as TPE331-6-251B or TPE331-6-252B depending on reference and installation. These engines are rated at approximately 715 shp each, giving the B100 a strong power-to-weight profile and a reputation for efficient performance compared with many PT6-powered King Air models.

• Aircraft type: Pressurized twin-engine turboprop

• Configuration: Low-wing, twin-turboprop business and utility aircraft

• Engines: 2 × Garrett/Honeywell TPE331-6 turboprops

• Propellers: Four-blade Hartzell, constant-speed, full-feathering, reversible propellers

• Crew: 1–2

• Passenger capacity: Up to 13 passengers depending on configuration

• Maximum speed: Approx. 265 kt

• Cruise speed: Approx. 237–258 kt depending on source and operating profile

• Range: Approx. 1,325 nautical miles

The B100’s technical appeal lies in its combination of pressurization, twin-turbine redundancy, strong climb performance, and flexible cabin utility. Its Garrett-powered setup gives it a distinct identity within the King Air family, while the reversible propellers and robust turboprop systems support practical operation into a wide range of regional airports.

Exterior & Cockpit

The King Air B100 carries the classic King Air silhouette: a clean low-wing airframe, twin nacelles, T-tail-style proportions, and a substantial pressurized cabin suited to executive and utility missions. Compared with the smaller King Air 90 series, the 100-series fuselage is stretched, with five cabin windows instead of three, giving the aircraft a more spacious and capable presence.

Inside, the B100 offers the practical cabin environment that helped make the King Air name so respected. Depending on interior configuration, it can serve as an executive transport, owner-flown business aircraft, regional passenger aircraft, or utility platform. The cabin provides genuine twin-turboprop comfort, while the aircraft’s size remains manageable enough for operators who need performance without moving into larger, more complex turbine aircraft.

The cockpit reflects the professional King Air character of its era: serious, system-rich, and built around turbine operations. Typical equipment references for the B100 include Collins radios, dual VHF communication systems, dual navigation radios, transponders, a Sperry flight director/autopilot system, and weather radar, although exact equipment depends on the individual aircraft and later avionics upgrades.

The Perfect Airplane For

The Beechcraft King Air B100 is ideal for owners and operators seeking a capable pressurized twin-turboprop with classic King Air practicality and a distinctive Garrett-powered identity. It is especially well suited for regional business travel, private owner operations, charter-style missions, utility flying, and buyers moving up from piston twins into turbine performance.

This aircraft is a strong match for those who value:

• A pressurized twin-turboprop platform

• Classic King Air cabin comfort and utility

• Garrett TPE331 efficiency and strong climb performance

• Regional business and private travel capability

• Twin-engine redundancy

• A rare and distinctive King Air variant with serious operating character

The King Air B100 is not simply another turboprop; it is a rare expression of the King Air formula. It combines the respected Beechcraft cabin, robust turbine performance, and the unique personality of Garrett power, making it an appealing choice for pilots and owners who want proven utility with a more distinctive edge.