update info

of the B737 PRH app
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© 2020  

The contents of the app are updated on a regular basis when appropriate and free of charge. Besides technical issues like bug fixes, updates are triggered by changes in the regulations or when additional information becomes available in order to be even more explanatory and/or to clarify the various performance subjects. If you have any suggestion to improve this app, it would be highly appreciated if you want to contact us about it.


UPDATE 2.0 july 2020 - MAJOR technical and content update

  • Completely redesigned user interface with a modernized look and feel, with

    • new logo

    • vastly improved search functionally

    • iPhone support

    • dark mode capability

    • useful interactive tools to decode MOTNE / SNOWTAM and to calculate actual runway stop margin.

  • Content update:

    • latest regulations implemented

    • added procedures and remarks regarding computerized performance tools

    • new chapter Double Derate

    • new chapter Braking Performance Data

    • added info regarding passenger oxygen requirements

    • added various clarifying FMC pictures

november 2019 - technical and content update

  • content update

  • bug fixes and UI improvements

june 2019 - technical update

  • fix to properly re-scale chapter content

  • fixed an issue when some customer have not received content update

may 2019 - content update

  • Expanded go-around climb gradient info in applicable chapters

  • Expanded chapter 'Enroute Cruise Altitude' with step climb considerations

  • Adjusted landing dispatch performance flowchart

  • Additional remarks regarding wind, line up loss, EMAS/RESA, Vmbe, oxygen requirement, recommended brake cooling schedule, FAS, landing climb limit weight

  • Various text changes and additives throughout the app for clarification and extra info

july 2016 - content update

  • Remarks added regarding recommended brake cooling schedule, quick turnaround, VR increase in x-wind conditions

  • Additional V1-range info added in chapter 'Balanced Takeoff'

  • Added definitions according ICAO annex 6

april 2015 - content update

  • All EASA regulation quotes are now references to the new European Commission Regulation 965/2012, which replaced EU-OPS as per october 2014. Chapter 'Legend' and 'References' changed accordingly.

  • Added chapter 'Takeoff Flap Setting'

  • Added remarks with respect to TALPA-ARC recommendartions regarding landing performance data.

  • Added some ICAO PAN-OPS and Annex 6 quotes

  • Chapters 'Driftdown', 'Derated Takeoff Thrust', 'Assumed Temperature Reduced Thrust' and 'Glossary' expanded

  • Editorial text changes for clarification

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© 2020