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- coolAltitude Vs. Flight night time
coolAltitude vs Flight night time Usage & Stats
coolAltitude is a professional support tool for IFR pilots operating in cold-weather conditions.
It assists with temperature corrections during instrument approaches and integrates weather, runway and de-/anti-icing data into a single, clear workflow.
Designed to reduce workload and improve situational awareness during flight preparation, coolAltitude focuses on accuracy, clarity and operational usability.
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What coolAltitude does
• Calculates temperature-corrected altitudes for ILS (CAT I), RNAV/GNSS, VOR and NDB approaches
• Requires minimal data entry, using consistent color coding for immediate interpretation
• Displays corrected altitudes along the entire approach profile at relevant DME distances
• Supports flight path angle (FPA) calculations for FPA-enabled aircraft
• Provides vertical speed reference tables (corrected and uncorrected) for various ground speeds
• Includes QNH to QFE conversion tables with temperature corrections
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Integrated weather and runway information
• Live METAR interaction with automatic propagation of relevant values, including temperature
• SNOWTAM decoding with braking action information
• RCAM (Runway Condition Assessment Matrix) based on ICAO GRF
• Support for DME shift, including threshold, touchdown zone and displaced DME references
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De-/Anti-icing support
• FAA Holdover Time (HOT) Guidelines for multiple fluid types and manufacturers
• Integrated HOT countdown timer to track minimum and maximum recommended holdover times
• Reference tables supporting assessment of snowfall intensity
• Structured storage and sharing of airport-specific de-/anti-icing procedures
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Saved and shared data
• Save and reload approach presets for individual airports and procedures
• Share verified, structured operational data with other users
• Local override of shared data when required
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Built for professional use
coolAltitude is built by pilots, for pilots.
It is designed to support decision-making during high-workload phases without replacing approved procedures.
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Important notice
coolAltitude is an advisory tool only.
It is not certified for operational use and does not replace approved documentation.
Use in flight operations requires approval and operation as part of the operator’s Electronic Flight Bag (EFB) in accordance with applicable regulations.
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coolAltitude does not replace your procedures. It helps you apply them correctly, even on the coldest days.
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This offline application enables pilots to determine their night flight time. All you need to do is just to set the place and time of departure and arrival.
The app uses algorithm to determine orthogonal distance and algorithm to determine sunrise or sunset.
The definition of night can be modified in Settings according to user's national regulations.
The Vincenty formula is used for calculation of distance. To calculate sunrise/sunset the Sunrise equation is used.
The app contains the default database. The source of data for it is openflights.org database. If the airport you need is missing you can create it in user's database.
- Apple App Store
- Paid
- Navigation
Store Rank
- -
coolAltitude vs. Flight night time ranking comparison
Compare coolAltitude ranking trend in the past 28 days vs. Flight night time
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coolAltitude vs. Flight night time ranking by country comparison
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January 2, 2026