Most farm fields sit in Class G (uncontrolled) airspace where a Part 107 pilot can fly up to 400 ft AGL without extra approval. Near airports you're in controlled airspace and need an authorization — usually granted in seconds by LAANC.
Can I fly here?
A quick orientation, not an authorization. Always check a current source (below) for your exact location and date.
The airspace classes, briefly
- Class G — uncontrolled. Most rural areas. Part 107 pilots fly up to 400 ft AGL, no ATC authorization needed (still follow all other rules).
- Class B, C, D, E surface — controlled. Around airports. You need an airspace authorization before you fly. LAANC provides it fast, often instantly, up to published ceilings (grid altitudes).
- The 400-ft rule. Stay at or below 400 ft AGL — or within 400 ft of a structure. Higher needs a waiver.
- Restricted / special-use areas. Military and other restricted zones may prohibit flight entirely — check before you go.
What LAANC is
LAANC (Low Altitude Authorization and Notification Capability) is the FAA system that grants near-real-time authorization to fly in controlled airspace, up to the altitudes on the UAS Facility Maps. You request it through an FAA-approved app (e.g., Aloft, Avision, others). For most ag jobs near a small airport, approval is instant; some areas require a manual "further coordination" request submitted in advance.
Pre-flight airspace checklist
- Check the airspace for your exact field (B4UFLY or a LAANC app)
- If controlled, get LAANC authorization before takeoff
- Confirm you're at/under 400 ft AGL (or the grid ceiling, whichever is lower)
- Check for TFRs (temporary flight restrictions) and special-use airspace
- Note any nearby heliports, ag strips, or hospitals
- Keep your Part 107 (and Part 137 docs for spraying) on hand
Sources: FAA — LAANC, FAA — B4UFLY, FAA — Part 107. Airspace and TFRs change — always verify for your location and time. Pairs with our Part 137 guide.
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