Welcome to the Chai Tables Store

Your Shopping cart is empty.

Skip to Main Content »

Chai Air Times App for Android

Availability: In stock

$5.00

Quick Overview

Chai Air Times App is the android version of the Chai Air Times Pro program.<br />

Chai Air Times App for Android

Double click on above image to view full picture

Zoom Out
Zoom In

More Views

$5.00

Product Description

This app is the only app available to date to calculate accurate zemanim for the airplane on your Android phone and it is easy to use (watch the video above). It uses the powerful GPS of modern phones to follow the position of the airplane and allow users to even daven k'visikin to 1-2 minutes accuracy (assuming flat terrain). Basically, with this app, there is no longer any excuse for not knowing accurate zemanim for the airplane. You can also use it to calculate z'maney ha'yom for anywhere in the world.

Among the features in this release:

1. Can upload flightaware Google Earth kml files to predetermine routes
2. Edit the route by clicking on the map or just use the default Great Circle Route
3. Both online and offline maps and html documentation built in.
4. Calendar tool for choosing departure and arrival dates and times
5 Extensive list of departure and arrival airports. Can also define ones not on the list.
6. Uses a simple flight plan to increase accuracy of zemanim that occur near take-off and
landing. During an active flight, the flight plan can be improved by using the "Fix Posit"
button to make the predicted position coincide with the actual position.
7. Calculates several types of zemanim:
a. Z'manay Ha'yom at the clicked point (including solar altitude and azimuth)
b. Time to upcoming zemanim at the clicked point (so you won't daven incorrectly).
c. Airplane zemanim predictions corresponding to Chai Air Times tables.
Color coded markers are positioned on the map to show when the zemanim are
predicted to occur. The corresponding zemanim are also similarly color coded in the
zemanim chart for user friendliness.
8. If GPS geolocation is not available use the "Predict posit" button to show the predicted
position of the airplane based on the flight plan and entered dates and times. Use the
"Fix Posit" button to tweak the flight plan when the flight is active by making the
predicted location coincide with the real airplane button.
9. If GPS geolocation is available (you need to be near a window -- so book a window
seat) then push a button to show the airplane's position in real time using your phone's
GPS. Use this utility to even daven k'visikin to 1-2 min accuracy (i.e., sunrise is
when the GPS position coincides with the day terminator).
10. Displays the day-night terminator taking mean atmospheric refraction into account.
This feature is essential for determining the accurate position of sunrise and sunset on
the map. N.b., this feature is not available in almost any other website and certainly not
in any app, even though it is essential for following sunrise and sunset on the map.

In short, a tremendous tool for the airplane traveler....

INSTALLATION INSTRUCTIONS
1. After completing the purchase process, click on the "downloadable" products link.
2. Click where it is written "click"
3. The program's apk file will be downloaded to your computer or cell phone
4. Transfer the apk to your cell phone if it wasn't downloaded to there
5. You must enable installation from "unknown" sources in your Android settings (Settings > Security > Unknown Sources)
6. Open the directory you stored it on your phone and click.

Latest version: 2.4.1. Please use your store identify and the "downloadable products" link to download any updates if you bought the app from this store.

Additional Information

Free Shipping No