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Challenger 604 Upgrade: Making Cockpit & Cabin Ready For The Future At CHA

Challenger 604
Challenger 604

West Star Aviation (CHA) recently performed its first installation of a Collins Pro Line Fusion integrated avionics system and a Cabin Management Solutions Evolve CMS system in a Challenger 604. The events marked the first time these systems were installed in a CL604 at this location.

The Challenger 604 was due for a 48-month airframe inspection, and the customer opted to have the avionics and cabin management system upgraded at the same time.

The combination of these two upgrades ensures the proven and trusted 604 airframe will be flying well into the future.

The Pro Line Fusion brings the highly popular Challenger 604 platform into the next generation of technology and future-ready with this new flight deck. After 2024, the existing flight displays of the Pro Line 4 cockpit will no longer be supported. Collins will stop accepting the EFD-4077 units for repair. Those displays will be removed and replaced with high-resolution LCD flight displays with touchscreen capability. Installation opens the door to next-gen technology like Synthetic Vision, Data Link capability, integrated maps and charts, RNP approaches, FANS & LINK 2000+, MultiScan Weather, XM, and worldwide graphical weather. Typical installation for this system is 5 to 6 weeks. All four West Star Aviation full-service facilities are authorized Collins dealers.

The Cabin Management Solutions Evolve CMS delivers a high-resolution digital cabin management system with intuitive touchscreen technology. Each switch panel can be designed to fit in legacy switch panel locations, limiting the amount of woodwork modification required to perform the installation. These new switch panels communicate with the Cabin Management Unit via radio frequency, which limits the amount of wiring involved with its installation. This reduces the cost associated with other CMS systems of its kind. As this aircraft was in for the 48-month inspection, much of the interior was required to be removed, so this was an opportune time to have the Evolve system installed. Installation of this system independently averages approximately 9 weeks.

“The CMS Evolve is an innovative system at the price point we were looking for. One of the biggest considerations with this system is that we did not have to modify our current woodwork,” said Larry Miller, director of maintenance for the aircraft.

When asked why he chose West Star Aviation for the inspection and upgrade work, Miller said “I trust West Star for installations of this magnitude. They had the equipment on hand when others didn’t, showing the commitment and investment West Star makes to ensure they have the equipment ready when their customers need it.”

For more information on this or any other Challenger service, please contact one of the specialists below.

Josh Peterson

Josh Peterson

Technical Sales Manager, Avionics (CHA)
Office 423.661.8928

Mike Sichmeller

Mike Sichmeller

Technical Sales Manager, Avionics (ALN)
Office 618.258.8863

Aaron Berg

Aaron Berg

Technical Sales Manager Avionics (GJT)
Office 970.243.7500

Jim Ellis

Jim Ellis

Technical Sales Manager, Avionics (ALN)
Office 618.258.8065

Walt Marcy

Walt Marcy

Technical Sales Manager, Avionics (GJT)
Office 970.248.5258

Jeff Messmer

Jeff Messmer

Technical Sales Manager
Cell 314.607.4069

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Contact Us

WSAA will be piloted at the East Alton, IL facility with the first round of apprentices anticipated to start in August 2024. For more information on West Star Aviation employment or WSAA apprentice selection criteria, please visit or contact Katie Johnson ( or Dave Lagermann (

Application & Selection Process

Before applying, please be aware of the standards of conduct for employment with West Star along with the strict requirements below while attending WSAA.

  • Working in Aviation requires a commit to being drug-free.  Pre-employment drug testing along with random and reasonable suspicion testing is required for all companies employing people working in safety sensitive positions. The position you are considering applying for is safety sensitive.  If hired, you must pass a DOT drug test to start working, if you fail the job offer is rescinded.  If you pass, you must remain drug-free during employment, failing a random or reasonable suspicion test may result in termination of employment.  Please note: marijuana is legal in certain states however the FAA follows Federal law where marijuana is illegal.  This means testing positive for marijuana, or any other illegal drug, will prevent you from working in Aviation. 
  • The first 7.5 months will follow a strict schedule: Monday – Friday 7:00am – 3:30pm (breaks and meal periods provided). 
  • The expectation is to arrive inside the learning center and clocked in at 7:00am.
  • While attending WSAA, no more than 4 hours a week can be missed.  Extenuating medical circumstances will be given full consideration with supporting documentation.
  • WSAA follows an FAA approved curriculum which has certain requirements including attendance. 
  • Testing for the FAA license at the conclusion of WSAA is required, along with passing.  Two opportunities to test will be provided, if needed.  Employment may terminate if the FAA license is not obtained.
  • Candidates will be contacted to complete pre-screening assessments and questionnaires. 
  • Qualified candidates will be contacted in late November and scheduled for a tour and interview with Hiring Managers at West Star Aviation in East Alton, IL.
  • To be qualified, candidates must pass the pre-screening process along with submitting a negative DOT drug test result.
  • Finalists will be selected after onsite interviews. Job offers will be extended in mid-December with a start date of January 9, 2024.
  • Pay while learning in the Academy will be $20 per hour.  Upon successfully graduating and obtaining your FAA license, pay will increase to $27 per hour.