Specimen Sheet · Vital Statistics
Classification · Terrain & Access
Field chart.
§ 02 · Flying Conditions · Field NotesUpdated 2026·03·21
Open for now but there is no safe LZ available at the moment. Anywhere that looks good is off-limits due to private property and would jeopardize the site. XC flying is the best bet to find a safe LZ.
Please message a local before flying this site to get the low down (https://www.socalxcleague.com/ Aaron Price) Take-off can be found on the trail up to Henninger flats out of the Eaton Canyon Wash. As you are nearing the campground, you will be on a last leg of the trail heading West-ish. As you enter this leg there will be a small power line going up the ridge that you will cross underneath, about 40 yards past this you will see a steep dirt path that leads up about 10' to a grassier slope, this is your launch. There is one tree which divides the launch between a South launch and a West launch so choose carefully which was you want to launch, depending on the cycle it can blow both ways.
Has 1 different launch points. The best wind direction is 0 @ 0 knts but many sites can be flown from multiple directions, so check before you fly.
You can expect to find: thermal conditions ridge soaring conditions cross country potential , all dependent on current weather conditions.
§ 03 · Wind Window · Best Operating EnvelopeN · 000° ±0°
Chase the Wind
Nearest weather station to Henninger Flats . Select any row to see which launches are in wind, then set your MSFS world clock to that UTC time.
El Monte Arpt, CA, US
13:42 UTC
12 km from site
Wind
SW 220°
4 kt
Ceiling
FEW 0 ft
10+ sm vis
SW 220° · 4 kt · 13:42 UTC
Select a time to check launches
Jan 21
Weather at , 12 km from Henninger Flats . 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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