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TruAirspeed
Published by: James Petty
Description
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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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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TruAirspeed FAQ
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Is TruAirspeed free?
Yes, TruAirspeed is completely free and it doesn't have any in-app purchases or subscriptions.
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Is TruAirspeed legit?
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Thanks for the vote -
How much does TruAirspeed cost?
TruAirspeed is free.
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What is TruAirspeed revenue?
To get estimated revenue of TruAirspeed app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
User Rating
App is not rated in Russia yet.
Ratings History
TruAirspeed Reviews
Works as stated. Generous contributor to the flight testing and experimental community.
Another useful offering by Mr. Petty. Thank you sir. I’m enjoying tinkering with Benchmark too. As for the one user saying there is no way to change units; there is. Tap the little “i” in the corner and drill down. As for the other claiming the app is inaccurate, if you mix up C and F, you get a big error (10 knots on a sample I just did).
Incorrect compared to other calculators
Off by between 5-10 kts. Not reliable
No way to choose between F and C?
Is there really no way to change between Celsius and Fahrenheit? That makes it so you need another app to convert temperature. Am I missing something? This seems like a major oversight.
Excellent
A great tool - thanks :-)
Store Rankings
Ranking History
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App Info
- Category
- Utilities
- Publisher
- James Petty
- Languages
- English
- Recent release
- 2.0 (4 months ago )
- Released on
- Apr 14, 2014 (10 years ago )
- Also available in
- United States, Belgium, Canada, China, Pakistan, Romania, Philippines, Peru, New Zealand, Norway, Netherlands, Nigeria, Malaysia, Mexico, Lebanon, Kazakhstan, Kuwait, South Korea, Poland, Portugal, Italy, Russia, Saudi Arabia, Sweden, Singapore, Thailand, Türkiye, Taiwan, Ukraine, Vietnam, South Africa, Egypt, Argentina, Australia, Azerbaijan, Brazil, Switzerland, Chile, Colombia, Czechia, Germany, Denmark, Dominican Republic, Algeria, Ecuador, Japan, Spain, Finland, France, United Kingdom, Greece, Hong Kong SAR China, Hungary, Indonesia, Ireland, Israel, India, United Arab Emirates
- Last Updated
- 2 months ago