Challenger 850 Task and Phase Inspections

Bombardier Challenger 850

The Challenger 850, which was produced from 2006 to 2015, is one of the largest super-midsize business jets offered by Bombardier Aerospace. Derived from the Bombardier CRJ200 airliner, the Challenger 850 can accommodate up to 15 passengers, with a maximum baggage capacity of 202 cubic feet. When it’s in its optimum configuration, the Bombardier Challenger 850 can cruise non-stop for up to 2,546 nautical miles. When configured for its fastest cruise speed, the Challenger 850 can maintain a cruise speed of 460 knots.

Challenger 850 Specs

The Challenger 850 was developed with three available cabin configurations: standard, deluxe, and split cabin, with the flexibility to meet the wide-ranging needs of its operators.

  • Length: 87 ft. 10 in.
  • Wingspan: 69 ft. 7 in.
  • Height: 20 ft. 5 in.
  • Wing Area: 520.4 sq. ft.
  • Maximum payload: 9,383 lb.
  • Maximum speed: Mach 0.850
  • Cruise speed: 509 mph, 442 kn
  • High-speed cruise: 529 mph
  • Long-range cruise speed: 489 mph
  • Range: 3,235 mi, 2,811 nmi
  • Service ceiling: 41,000 ft.

Right out of production, the Challenger 850 contains the Rockwell Collins Pro Line 4, two-screen EICAS, dual FMS 4200, dual GPS, dual IRS, dual DME, enhanced ground proximity warning system, and traffic collision avoidance system.

Challenger 850 Inspection Schedule

There are different types of inspections for the Challenger 850, ranging from calendar inspections, hourly inspections, and high or low utilization inspections. The primary inspection types for the Challenger 850 are calendar inspections and hourly inspections. The Challenger 850 schedule of inspections include:

  • Calendar Inspections
    • 12 month tasks           
    • 24 month tasks
    • 36 month tasks
    • 48 month tasks
    • 96 month tasks
    • 192 month tasks
  • Hourly Inspections
    • 400 hour tasks
    • 600 hour tasks
    • 800 hour tasks
    • 1200 hour tasks
    • 1600 hour tasks
    • 2400 hour tasks
    • 3200 hour tasks
    • 4200 hour tasks
    • 9600 hour tasks

Generally, among other tasks, these individual inspections include:

  • NDT inspections, 
  • Interior refurbishment 
  •  Hydrostatic testing
  • Weight and balance 
  • Landing gear overhaul
  • Engine inspections
  • Battery service
  • Main and nose tire replacement
  • Autopilot, Satcom, Wifi, Cabin Entertainment troubleshooting and repair
  • Nav/Comm and HF troubleshooting and repair
  • Avionics inspections
  • Line maintenance and inspections
  • APU maintenance and replacement
  • Ground pressurization tests
  • Electrical system repair and troubleshooting
  • Engine rigging and performance checks
  • Borescope inspections
  • Windshield and window repairs and replacements
  • Fuel quantity calibration & troubleshooting
  • Fuel cell & wet wing repairs and maintenance

These heavier inspections require full exposure of the airframe—including removal of the, engines, interior, APU, windshields, landing gear, flaps, winglets, and baggage door—to allow for a comprehensive structural review to assess for cracks, corrosion, or other potential weaknesses. Aircraft components including flaps, doors, and windshields are also removed for close inspection and the landing gear undergoes complete restoration. Inlets, landing gear, main aircraft structure, lavatory/galley areas and interior finishes, are among the components most susceptible to corrosion, fatigue and wear.

Finding the Right Maintenance Team for Challenger 850 Inspections

When finding a maintenance team for your Challenger 850 inspections, it’s important to find highly skilled, professionally trained technicians to carry out every aircraft inspection thoroughly. 

At Winner Aviation, we specialize in airframe, engine, and APU inspections, repairs and modifications; parts and component procurement as well as avionics installations. With 75 years of experience, Winner Aviation is a leader in Bombardier Challenger maintenance and repair. Our maintenance team brings comprehensive expertise, including production line, preflight, modification center, and service center knowledge to the table. Our experienced troubleshooting skills and systems knowledge are key in expediting repairs on your Challenger. 

Plus, take advantage of your aircraft’s downtime to install the latest upgrades, modifications, and enhancements. Doing so may increase the residual value of your aircraft and will help you stay ahead of the curve.


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