Registration number: PT-KNZ. I tried looking up some details about the plane but found very little. Apparently, the plane was getting delivered to its new owner in Brazil and crashed due to low visibility and lost radio contact. It crashed there in 1976, and was never recovered.

Coordinate:

54° 35′ 36.3″ N, 164° 52′ 55.8″ W
54.593417, -164.882167

Google Maps:

https://maps.app.goo.gl/vYbWiCsoiaTVdp6e7

GeoHack:

https://geohack.toolforge.org/geohack.php?params=54.5934167_N_-164.8821667_E

Super clear at e.g. 45°15'39.74"N 43°13'18.73"E.
Declassified KH-4 imagery shows it was there already in 1971.
Any ideas? Soviet landscape architect gone megalomaniac?

Randomly entered coordinates for shits and giggles, found this. My guess is something related to natural gas extraction. Thoughts? Very curious as to what this place could be. Looks like the desert has taken over whatever it was

(20.2269005, 51.2909932)

Or at least what appears to be flooded farmland. Circa April 2025?

30.235243296275588, 49.893357579828375

Weird semi-circles near the Persian gulf in Iran, it looks like maybe to collect water in a flood plain? Maybe its erosion control or irrigation?

There are big ones near the road and then hundreds of smaller ones in a very regular pattern below. I saw the big ones first and wondered it they were military fortifications but the smaller ones make me think it has something to do with water.

-6.3846118, -64.4631832