
UnReliable IAS
UnReliable AirSpeed - Boeing
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About
UnReliable IAS is a quick-reference tool for the Boeing 777 and 787 "Flight With Unreliable Airspeed" non-normal procedure.
Enter aircraft type, weight, and flight level to get the pitch, thrust, and speed targets for each phase of flight: Climb, Cruise, Descent, Holding, Terminal Area, Final Approach, and Go-Around.
Supports:
- 777-300ER and 777F
- 787-9 and 787-10
Also includes the Memory Items and phase procedures as a fast, always-available reference on the flight deck.
All values are cross-checked against the manufacturer's QRH tables.
This app is a quick reference only. It is not approved for operational use and is not a substitute for your company's manuals or the manufacturer's QRH.
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What's New in UnReliable IAS
1.1
September 14, 2026
- Redesigned header and results layout for a cleaner, more consistent look - Unified fonts, colors, and spacing across all flight phases - Improved the Memory Items view on iPad — everything now fits without scrolling - Added a quick link from Cruise to the Holding page for altitudes below FL100 - All values re-verified against the manufacturer's QRH tables - General performance and stability improvements
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