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FAR-Related Issues of Sunrise and Sunset Did you know that the Federal Aviation Regulations define three versions of 'night' for different reasons? Specifically, did you know that position lights are required after sunset and before sunrise, and that night flight is logged according to civil twilight as defined in the Air Almanac, that your currency for night flight with passengers uses the sunset plus one hour and sunrise minus one hour rule? Relax, WingX will calculate all three 'night' times for any airport in the United States quickly and easily. So when you're out getting your $100 hamburger and need to plan your flight home, WingX will calculate the applicable 'night' times. The 'nearest city' information is shown below the identifier. In the screen shots above, RHV airport is 4nm South East of San Jose. Checking the "Z" checkbox changes the display from local time to Zulu time. |
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Yearly Plot A yearly plot shows how the sunrise and sunset times change over the course of a year; 6 months prior and 6 months in the future. The start of each month is shown and marked by the first letter of the month name; i.e. "J" for January, followed by "F" for February, and so on. The selected date is always shown in the center as a vertical dashed line. In addition, the variation in sunrise and sunset time are shown in a black label above and below the chart. For example, the image on the left shows that the sunrise time for the following day, week, and month will be 1 minute, 6 minutes, and 25 minutes later respectively. Similarly, the sunset time for the following day, week, and month will be 2 minutes, 11 minutes, and 46 minutes earlier respectively. |
Note: Images on this website may be slightly different to what you see on your Microsoft Pocket PC 2002, Microsoft Mobile 2003, Mobile 5.0, or Mobile 6.0 device. Disclaimer: 14 CFR 91.3 says that you, the PIC, are responsible for the safety of the flight. WingX products are intended to assist you in your preflight and inflight activities. While Hilton Software makes every effort to ensure the accuracy of its calculations and data, Hilton Software cannot absolutely guarantee the accuracy. By using WingX products, you agree to hold harmless Hilton Software and those persons acting on its behalf for any and all, but not limited to, liability, bodily injury, and/or property damage arising from the use of WingX products.
Copyright © 2003-2007 Hilton Software LLC All rights reserved. |
