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Jeppesen CrewAlert

Mathematical Modeling of Crew Alertness

Alertness is a key aspect of fitness for duty for airline flight deck and cabin crews.  Alertness and fatigue have become increasingly important issues as airplane capabilities have increased, and the complexity of flight operations have grown.  Understanding how humans function in a complex 24/7 world has been a focus for scientists, regulators, and airline safety officers all over the world. 

As part of a joint safety initiative, Boeing and Jeppesen have been developing tools for allowing better management of alertness and fatigue.  CrewAlert is the first iOS application designed specifically to help airlines and their crews manage alertness and fatigue.  Built on the Boeing Alertness Model (BAM), a mathematical model of alertness, the CrewAlert application puts scientific knowledge in the palm of your hands.

Download CrewAlert here

CrewAlert and the Boeing Alertness Model are evolving tools.  As new science is added to BAM and new functions are made available in Crew Alert, updates will be posted to the App Store.  Check back often to ensure you have the latest version.

Please note: This application is designed for professional pilots and the airlines that they work for.  Before you purchase, please read this description in full as well as the Application License Agreement on iTunes to see if CrewAlert is for you.

For more information, please contact the CrewAlert team at

Download the application (iTunes App Store)    Access the tutorial     

All Jeppesen FRM news have been consolidated to a news archive.

  • CrewAlert provides the functionality of much more expensive alertness modeling products at a fraction of the cost.
  • As flight and duty time limits increasingly move towards Fatigue Risk Management Systems, tools like CrewAlert will become increasingly useful for managing fatigue in any airline operation.
  • While CrewAlert is designed with flight deck and cabin crews in mind, it is applicable to any 24/7 operation where human performance is crucial to safety. 


For Crew

  • CrewAlert allows flight and cabin crew to build scenarios based on planned or actual flight and duty schedule.  After entering a few key pieces of information, including departure and arrival time, number of legs (sectors), and time zone shift, CrewAlert allows crew members to visualize the impact of planned schedule on future alertness (according to BAM).
  • CrewAlert allows crews to build sleep journals of either actual or planned sleep.  The sleep journal functionality can be used to investigate potential sleep strategies – to see which available sleep strategy best follows the available science.
  • CrewAlert allows crews to collect sleep and alertness data for their own use.  By keeping records of sleep and alertness, crews can discover what strategies work best for them.


For Crew Schedulers

  • CrewAlert is a useful tool for visualizing how scheduling decisions affect the crew members that are being scheduled.
  • CrewAlert allows schedulers to investigate the causes of recurring problems in schedules and to consider alternatives to patterns which consistently result in crew fatigue reports.
  • Future releases of CrewAlert will support server-based communication, allowing schedulers to publish crew schedules via a server directly to CrewAlert. This will ensure that all crew members have the most up to date and correctly implemented schedule information to facilitate discussions of fatigue.


For Airline Safety Officers

  • Crew Alert can become a part of an airline’s Fatigue Risk Management System – allowing crew, schedulers, and safety officers to visualize fatiguing patterns and to look for solutions.
  • Future releases of CrewAlert will support fatigue reporting and data collection. By enabling these features (both from the airline and crew side) fatigue, sleep, and performance data can be collected as part of the basis for establishing an airline’s FRMS.  Note: Data collection cannot be enabled without the end-users consent and cooperation.


Version 1.7.0

No known  issues at this time. 

For fatigue data collection with CrewAlert, please find here our Privacy Policy and Information Regarding Sharing Data.

Download CrewAlert fact sheet (pdf)

CrewAlert Sharing and Loading Scenarios (pdf)

Fatigue Causes - Go into Detail with Predictions (pdf)



"The Best Rest - A comparison of differing regulatory efforts to control pilot fatigue"
An article in AeroSafety World Magazine, June 2010

"Boeing study finds that all airlines win with fatigue risk management"
An article in Flight International, March 2010



"Safety implications of Risk Fatigue Management Systems" (pdf)
A presentation at ICAO/ASPA Regional Seminar, Mexico City, May 2010

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