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Bombardier Learjet 55

The Learjet 55 ‘Longhorn’ is a remarkable business jet that has delighted passengers and crew since it entered private aviation in 1981. First announced at the Paris Airshow in 1977, the 55 was Learjet’s first mid-size aircraft; as Aviator Insider writes, the jet “is almost 45 years old, but it is still a workhorse.” The Learjet 55 implemented all of the great components that were loved in previous Learjet models, like great speed and climb capability, while adding more competitive features including a larger fuselage and more cabin amenities and accommodations.

Learjet 55 Features


Designed to maximize passenger comfort and productivity, the Learjet 55’s cabin measures 5.7 feet in height, 5.9 feet in width, and 13.7 feet in length for a total volume of 407 cubic feet—up to 50 percent more cabin space and 18 inches more headroom than found with previous models. The most popular cabin arrangement seats seven passengers includes a set of club-four seats with one additional aft seat and a side-facing bench opposite the small galley. 

Passengers can access their luggage in the jet’s 40 cubic feet of temperature-controlled, pressurized internal baggage space, with an additional 20 cubic feet of external storage space. Amenities offered to passengers include an air show display, wireless headsets, and a half-width lavatory.


What truly made the Learjet 55 stand out in its class back in the ‘80s was its performance capabilities, which still impress today. Dual TFE 731-3A-2B turbofan engines provide the aircraft with 3,700 lbs of thrust each upon takeoff. The premier TFE engines enable the aircraft to operate at a high-cruise speed of 527 mph while flying at 51,000 feet. At that altitude, the pilot has more than enough room to avoid air traffic and poor weather conditions. With four passengers and flying with NBAA IFR, the jet has a range of 2,039 nautical miles.

The fuel capacity of the Lear 55 was expanded to 6705 lbs. and the jet burns about 188 gallons of fuel per hour, making it an extremely fuel-efficient aircraft. The business jet also featured an increased wingspan, a raised t-tail to increase directional stability, and of course, the drag-reducing, high-strength-aluminum winglets that resulted in its “longhorn” nickname.


Though many Learjet 55 cockpits have been upgraded throughout the years, the avionics suite typically included dual Collins VHF20A communication systems, dual VIR30A navigation system, Global FMS GNS/XLS, dual Collins TDR90 transponders, and a King 90A GPS. In addition, advanced weather radar systems and flight management systems are installed in the cockpit to provide the pilot with information on the aircraft’s safety status with ease and comfort during the flight. All of the instruments provided in the avionics suite help reduce the pilot’s workload to ensure a safe and reliable flight for all passengers and crew aboard.


Max Passengers:
2039 miles
Cabin Width:
5.9 feet
Cabin Height:
5.75 feet
Cabin Length:
13.7 feet
Internal Baggage Volume:
40 cubic feet


External baggage Volume:
20 cubic feet
max takeoff weight
21500 lbs
landing weight
18000 lbs
max payload
2450 lbs
max fuel payload
2495 lbs
fuel capacity
6705 lbs
normal cruise airspeed
447 KTAS
long range cruise airspeed
420 KTAS
service ceiling
51000 ft

*Specifications are based on manufacturer data and may vary from those of specific aircraft sourced for your flight. See accompanying paragraphs for context of range capabilities.

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