# In the 1920s, Only One Man Held the Key to Aerial Navigation **URL:** \ **Category:** Marine Technology\ **Created:** [July 4, 2024, 11:06am UTC](https://forum.gcaptain.com/t/in-the-1920s-only-one-man-held-the-key-to-aerial-navigation/69993 "2024-07-04T11:06:33Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![Kennebec\_Captain](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.gcaptain.com/kennebec_captain/32/13_2.png) [@Kennebec\_Captain](https://forum.gcaptain.com/u/Kennebec_Captain)\ **Post date:** [July 10, 2024, 1:14pm UTC](https://forum.gcaptain.com/t/in-the-1920s-only-one-man-held-the-key-to-aerial-navigation/69993/6 "2024-07-10T13:14:13Z")
> [@If the GPS Fails I'm Riding the Isobars Home](https://forum.gcaptain.com/t/if-the-gps-fails-im-riding-the-isobars-home/51962/1): > > Working the problem the other way. Instead of plotting the position on the wx chart and looking at the weather just do the reverse. Look at the weather and plot your position. Navigate using the wind speed/direction and air pressure. It would be like using knowing your altitude and a topo map to find your way in the woods. You’d need both current weather maps and the forecast. Should be good for 96 hours of navigation. Assuming of course the navigator is the “good seaman” of legend. … --- _[View the full topic](https://forum.gcaptain.com/t/in-the-1920s-only-one-man-held-the-key-to-aerial-navigation/69993)._