Wisconsin Airport Approach Protection / Height-Hazard Zoning — Wis. Stat. §§ 114.135, 114.136 (WI)

Tracked preemption from the Wisconsin overlay bundle.

Overview

Effective
1947-01-01
Sunset
Authority
state
Scope
state:WI

Trigger predicate

When this evaluates true for a parcel, the law's preempted fields take precedence over base zoning.

parcel.in_airport_height_hazard_zone == True

Preempted fields

2 fields on the base district schema are rewritten when the trigger fires.

FieldOpValueNote
review_typerequireairport_height_hazard_permit§114.135 authorizes municipalities to adopt airport protection zoning; §114.136 specifically enables airport approach protection ordinances regulating obstructions, height, and incompatible uses near public-use airports.
base_districts[*].max_height_ftcap_atFAR_part_77_imaginary_surfacesHeight in approach, transitional, horizontal, and conical surfaces capped to comply with FAA 14 CFR Part 77; coordinated with the WisDOT Bureau of Aeronautics.

Citation

Authority source
Wis. Stat. §§ 114.135–114.136; FAA 14 CFR Part 77
https://docs.legis.wisconsin.gov/statutes/statutes/114

Research notes

Enabling statute (local-option), but mandatory for jurisdictions surrounding any of Wisconsin's ~98 public-use airports. Federal conflict check enabled — coordinated with FAA Part 77 obstruction-evaluation regime. Common in jurisdictions surrounding Mitchell Field (Milwaukee), Dane County Regional, Austin Straubel (Green Bay), Central Wisconsin (Mosinee), and Volk Field/Fort McCoy AICUZ areas.