Specimen Sheet · Vital Statistics
Classification · Terrain & Access
Field chart.
§ 02 · Flying Conditions · Field NotesUpdated 2026·03·21
The Big Bend is part of the Trans-Pecos region in southwestern Texas, United States along the border with Mexico, north of the prominent bend in the Rio Grande for which the region is named. Here the Rio Grande passes between the Chisos Mountains in Texas and the Sierra Madre Oriental in Mexico as it changes from running east-southeast to north-northeast. The region covers three counties: Presidio County to the west, Brewster County to the east, and Jeff Davis County to the north.
The region is rugged, sparsely populated Chihuahua Desert, including the Chisos Mountains, Chinati Mountains, and the Davis Mountains. The region has well over 1 million acres (4,000 km2) of public lands, including Big Bend National Park (801,163 acres) and Big Bend Ranch State Park (300,000 acres), Black Gap Wildlife Management Area (103,000 acres),[3] Chinati Mountains State Natural Area (39,000 acres)[4] along the north side of the Rio Grande.
Has 3 different launch points and at least 1 or more defined places that you can tow from. The best wind direction is 185.3 @ 10 knts but many sites can be flown from multiple directions, so check before you fly.
You can expect to find: thermal conditions , all dependent on current weather conditions.
§ 03 · Wind Window · Best Operating EnvelopeS · 185° ±0°
Chase the Wind
Nearest weather station to Big Bend. Select any row to see which launches are in wind, then set your MSFS world clock to that UTC time.
Alpine/Casparis Muni, TX, US
13:43 UTC
46 km from site
Wind
S 190°
5 kt
Ceiling
Clear
10+ sm vis
S 190° · 5 kt · 13:43 UTC
Select a time to check launches
Jan 21
Weather at , 46 km from Big Bend. Mountain conditions may differ — this is a clue, not a forecast. Adjust sim time on site until conditions feel right.
§ 07 · Location · Field CoordinatesWGS-84
§ 09 · Recent Flights · Log Book
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