Learjet 45

Learjet 45
Laurent ERRERA from L'Union, France · CC BY-SA 2.0 · source
Name	Learjet 45
Type	Business jet
Manufacturer	Bombardier Aerospace
First flight	1995
Introduced	1998
Status	In service

Learjet 45 The Learjet 45 is a mid-size business jet initially produced by Bombardier Aerospace following acquisition of the Learjet brand, developed for corporate transport and operated by private owners, charter companies, and government agencies. It combines advanced aerodynamics, turbofan powerplants, and avionics suites for transcontinental missions, competing with contemporaries from Gulfstream Aerospace, Dassault Aviation, Cessna Aircraft Company, Embraer, and Hawker Beechcraft. The type entered service in the late 1990s and has been used by operators including NetJets, Flexjet, Royal Flying Doctor Service of Australia, United States Air Force, and various national government flight departments.

Development and design

The program began under the ownership of Learjet Corporation during an era of consolidation when Bombardier Inc. acquired the business from Bombardier Aerospace predecessors and trustees, with executive teams drawing on experience from projects at Boeing, McDonnell Douglas, Lockheed Martin, Northrop Grumman, and Fairchild Dornier. Initial design aimed to replace earlier models like the Learjet 31 and Learjet 60 with a stretched fuselage, new wing, and modern systems influenced by research at NASA and aerodynamic work from the German Aerospace Center. Powerplants selected were the Canadian-built Honeywell TFE731 variants, integrating certification standards set by Federal Aviation Administration and Transport Canada. The cockpit employed integrated systems from Rockwell Collins and avionics philosophies similar to suites used by Airbus and Boeing narrowbody families, while cabin interiors were specified by corporate interior designers who previously worked for Mercedes-Benz, IWC Schaffhausen, and Rolls-Royce Holdings corporate aviation divisions.

Structural design used composite elements influenced by programs at Bombardier Aerospace and suppliers such as Spirit AeroSystems, with landing gear components subcontracted to firms with contracts from Airbus and Antonov. Certification flight testing occurred alongside test pilots who had previously flown programs for General Dynamics and Sikorsky, and regulatory milestones were coordinated with authorities including European Union Aviation Safety Agency and Civil Aviation Administration of China for export variants.

Variants

Multiple factory and aftermarket configurations emerged, with OEM upgrades resembling iterations from competitors like Gulfstream Aerospace's model updates and Dassault Aviation Falcon family refreshes. Major variants included a long-range executive configuration promoted by Bombardier sales teams and an avionics-refurbished series aligned with certified equipment from Garmin, Honeywell, and Thales Group. Special mission conversions were performed by firms with relationships to Lockheed Martin and Raytheon Technologies for roles resembling assets used by Northrop Grumman and BAE Systems in electronic surveillance, air ambulance layouts supplied to operators like Air Ambulance Australia, and maritime patrol adaptations similar to programs from Leonardo S.p.A..

Corporate fractional ownership models were supplied to operators such as NetJets, Flexjet, Wheels Up, XOJET Aviation, and VistaJet, while government and military variants served with agencies including the United States Air Force, Royal Canadian Air Force, Royal Australian Air Force, and various European ministries represented at meetings of NATO and ASEAN. Aftermarket enhancements were provided by service centers with links to StandardAero, General Electric, and MTU Aero Engines supply chains.

Operational history

The type entered service with corporate operators and charter companies and quickly gained routes paralleling those flown by Cessna Citation X and Embraer Legacy operators, performing missions across North America, Europe, Asia, and Australia. Fleet support networks mirrored those established by Bombardier Aerospace for its regional jets and business jets, leveraging maintenance organizations like Honeywell Aerospace Services and AAR Corporation. High-utilization operators included NetJets and government flight departments such as the executive transport wings of United States Navy and provincial delegations from Province of Ontario. The aircraft participated in high-profile transport roles during events involving G8 Summit delegations and humanitarian missions coordinated with United Nations agencies.

Over its service life the platform underwent avionics retrofits to align with airspace mandates from Federal Aviation Administration NextGen programs and Eurocontrol requirements, with some airframes modified for compliance analogous to conversions made to fleets from Saab and Bombardier CRJ series. Leasing and remarketing activities involved firms like Air Lease Corporation and Duncan Aviation.

Specifications

Typical executive configuration specifications reflected seating for eight to nine passengers in layouts comparable to cabins from Gulfstream Aerospace and Dassault Aviation, with range and performance competing with types from Embraer and Cessna Aircraft Company. Powerplants were TFE731-series turbofan engines sourced from suppliers integrated into fleets operated by Air France business aviation units and Lufthansa corporate flight departments. Performance metrics were published to meet criteria similar to those used by International Civil Aviation Organization and Civil Aviation Authority regulators: cruise speeds approximating high-subsonic regional business jets, maximum range enabling transcontinental flights between hubs like New York City, Los Angeles, London, and Dubai, and takeoff/landing performance suitable for airports such as Teterboro Airport, London City Airport, Chicago O'Hare International Airport, and Sydney Kingsford Smith Airport.

Safety and incidents

The type's safety record has been documented in reports by authorities including the National Transportation Safety Board and Transportation Safety Board of Canada, with incidents and accidents investigated alongside manufacturers and operators such as Bombardier Aerospace, NetJets, and national airworthiness authorities. Notable investigations considered factors similar to findings in inquiries involving Boeing and Airbus narrowbody events, with emphasis on human factors, maintenance practices from contractors like StandardAero, and avionics integration supplied by Honeywell and Rockwell Collins. Safety improvements followed recommendations from panels including representatives from Federal Aviation Administration, European Aviation Safety Agency, and industry groups such as International Business Aviation Council.

Category:Business aircraft Category:Bombardier aircraft