TruAirspeed 对比 B777 Clipboard 的使用情况和统计数据
TruAirspeed is a True Airspeed Calculator for the iPhone and iPad. It's a bit different from other true airspeed calculators, in which the pressure altitude is an input. This requires resetting the altimeter to the standard sea level pressure of 29.92"Hg to read the pressure altitude. With TruAirspeed, you input the indicated altitude and the Kollsman window's pressure setting — the app then calculates the pressure altitude, density altitude, true airspeed and mach number for you.
The calculations involved take full account of compressibility effects, but not shock waves, so it's limited to subsonic, non-transonic flight only.
You have a choice of units for inputs and results, and you may choose either a calculator-style keypad (top row: 7-8-9) or a telephone-style keypad (top row: 1-2-3). You may also set a correction factor for your bird's airspeed indicator/pitot-static system, if you know it (mine is 0.95).
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Boeing 777 Clipboard
A B777 Clipboard "EICAS" lookalike with the Pre-Flight Checks.
Includes features such as:
Basic calculator;
Infos about NADP procedures;
Loadsheet Limitations and Max Imbalance table for Cargo (freighter);
Fuel Discrepancy calculator;
Time selector of the Departure time in UTC, returning automatically the "Time to Go" (T -).
Find also on the secondary tabs:
GRF SNOWTAM decoder;
RWY State Decoder (MOTNE);
U.S. Units converter and SM Visibility to Meters table;
OPT Performance calculation guideline table for Take Off and Landing Runway condition Assessment;
Flight Time Limitations;
some Public Address texts;
the Meters to Feet conversion table for China and Russia;
TOC/CRZ actions checklist, TOD/APPRCH actions Checklist.
In-Flight Contingencies Procedures for NAT, Russia and China FIRs
In-Flight NAV and Comm failures procedures
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TruAirspeed VS. 
B777 Clipboard十二月 18, 2024