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HB 5319

Aeronautics: unmanned aircraft systems; flying over or trespassing on a key facility or critical infrastructure with an unmanned aircraft or vehicle; prohibit. Amends sec. 45a of 1931 PA 328 (MCL 750.45a).

2025-2026 Regular Session Introduced by Greg Alexander and 27 co-sponsors

Michigan bill prohibiting unmanned aircraft and vehicles from flying over or trespassing on critical infrastructure to enhance public security and prevent sabotage.

placed on third reading
#aeronautics:unmannedaircraftsystems
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WeVote Research Nonpartisan
Bill Summary · HB 5319

Legislative bill overview

HB 5319 would prohibit the operation of unmanned aircraft systems (drones) and unmanned vehicles over or trespassing on key facilities and critical infrastructure in Michigan. The bill aims to establish legal penalties for unauthorized drone activity near sensitive locations such as power plants, water treatment facilities, airports, and other infrastructure deemed critical to public safety and security.

Why is this important

Critical infrastructure protection is a growing concern as drone technology becomes more accessible and affordable. Unauthorized drone activity near power grids, water systems, or transportation hubs could enable sabotage, surveillance, or terrorist activities. This legislation addresses a genuine security gap by creating specific legal consequences for such violations, helping protect essential services that millions of residents depend on daily.

Potential points of contention

  • Definition ambiguity: The bill's success depends on how "key facility" and "critical infrastructure" are defined—overly broad definitions could capture private property or create enforcement challenges, while narrow definitions might leave genuine vulnerabilities unprotected.
  • Reasonable use exceptions: The legislation may not adequately address legitimate uses of drones (hobbyist flying, agricultural monitoring, emergency response) that could occur near infrastructure without posing security threats.
  • Enforcement and identification challenges: Determining drone ownership and enforcing penalties when operators can be difficult to locate raises practical questions about whether this law will be effectively implemented.

Compiled from official sources — confirm details with the bill’s official record.

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