Aerobatics Hub : 14 CFR § 91.303 Airspace Viewer

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FAA or ICAO identifier — APA, KAPA, 1G3.

Official FAA raster charts, streamed from FAA AIS.

VFR Sectional — zoom 8–12 VFR Terminal (TAC) — zoom 10–12

A stronger rule than § 91.303 — no aircraft, not just no aerobatics.

14 CFR Part 73 Prohibited Areas

FAA source data. Hard boundaries.

§ 91.303(c) Class B / C / D / E-surface areas § 91.303(d) Within 4 NM of a Federal airway

§ 91.303(a) Congested areas — undefined in the FAR, decided case-by-case, no authoritative dataset exists
§ 91.303(b) Open-air assemblies — dynamic; a picnic or a beach can qualify
§ 91.303(e) Below 1,500 ft AGL — altitude, not a polygon
§ 91.303(f) Visibility below 3 SM — weather at time of flight