Precise answers for the field.

From the latest METAR to pressure altitude, density altitude, and the crosswind on your runway.

Distance and true course between two airports, the heading to fly into the wind, the magnetic heading, and the time en route.

The weather, the holding speed, the entry, the wind-corrected hold, and the visual descent point.

From the resolution the client wants to the height, overlap, blur check, image count, and the hours of good light.

An OPUS position in ITRF2020 to NAD83(2011), then state plane coordinates, the orthometric height, and the combined factor for ground distances.

Read the calls out of a deed, plot them and check closure, then rotate the bearings to the basis you found in the field.

The size of the site, the flight lines and flight time, the batteries it takes, and the accuracy you can state.

Choose an H3 resolution for the cell size you want, index a point, inspect its cell and neighbors, and fill an area.

The altitude the airplane feels, why hot and high days lengthen the takeoff roll, and how to work it out exactly.

The groups of a METAR in the order they come, what each one means, and how the ceiling and visibility set the flight category.

How much ground one pixel covers, how to work it out, the height for a target GSD, and why GSD is not accuracy.

Front and side overlap, trigger distance, line spacing, the image count, and overlap loss over hills.

Two kinds of height, the geoid height that links them, and the tens of meters you lose by mixing them up.

Cell sizes at each H3 resolution, how to pick one for your data, and what pentagons and the hierarchy do to your results.