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LAANC / Max Altitude / Takeoff Ground Elevation

Critter

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Question regarding LAANC altitude limit and launch locations for planning purposes.
Example (see graphic): Class D airspace, 200' limit AGL in this quadrant. You are launching from river's edge and requested 150' max altitude via LAANC. Fly around the river not exceeding your 150' authorization.
Next, launching several blocks inland from river, from a hill 100' higher than the river launch. Again request 150' from LAANC. Launch straight up to 150', then VLOS straight over to the river. At this point, are you 250' AGL above the river and exceeding your LAANC restrictions?
Thanks in advance, I'm usually flying over flat terrain and Class G , so normally not a problem
 

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Question regarding LAANC altitude limit and launch locations for planning purposes.
Example (see graphic): Class D airspace, 200' limit AGL in this quadrant. You are launching from river's edge and requested 150' max altitude via LAANC. Fly around the river not exceeding your 150' authorization.
Next, launching several blocks inland from river, from a hill 100' higher than the river launch. Again request 150' from LAANC. Launch straight up to 150', then VLOS straight over to the river. At this point, are you 250' AGL above the river and exceeding your LAANC restrictions?
Thanks in advance, I'm usually flying over flat terrain and Class G , so normally not a problem
You’d have to descend to 150’ AGL. Where you take off from doesn’t mean anything. I would just request 200’ and that way you have 50’ buffer.
 
Remember that altitudes on Authorizations are ABSOLUTE with no wiggle room or allowances for structures etc. 150'AGL means 150' directly over the exact piece of ground directly under your aircraft.... period.
 
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