Aircraft Noise: Rancho Cucamonga vs Rialto
How do aircraft noise rules compare between Rancho Cucamonga, CA and Rialto, CA?
Rancho Cucamonga and Rialto have similar restriction levels.
Rancho Cucamonga, CA
San Bernardino County
Aircraft noise in Rancho Cucamonga is regulated by the FAA, not the city. Ontario International Airport, about 3 miles south, operates under an FAR Part 150 noise program.
View full Rancho Cucamonga rules →Rialto, CA
San Bernardino County
Aircraft in flight are preempted by federal law (49 U.S.C. §40103 / FAA). Rialto Municipal Code Ch. 9.50 (Noise Control) does not regulate in-flight aircraft. Land use around Rialto Municipal Airport (L67) is governed by the Airport Influence Area (AIA) overlay administered by the San Bernardino County Airport Land Use Commission (ALUC).
View full Rialto rules →Key Facts Comparison
| Fact | Rancho Cucamonga | Rialto |
|---|---|---|
| Regulator | FAA, not the city | - |
| Main Source | Ontario International Airport | - |
| Program | FAR Part 150 Noise Compatibility | - |
| Complaint Line | ONT Noise Office (909) 544-5360 | - |
| Affected Area | Southwest Rancho Cucamonga flight paths | - |
| Local airport | - | Rialto Municipal Airport (FAA ID: L67) |
| State CNEL standard | - | 65 dB community boundary (Title 21 CCR §5000 et seq.) |
| Federal preemption | - | 49 U.S.C. §40103; 14 CFR Part 91 |
| Local hook | - | AIA overlay via SB County ALUC Compatibility Plan |
Highlighted rows indicate differences between cities.
Rancho Cucamonga FAQ
Can the city stop cargo jets from flying at night?
No. Aircraft operations are regulated by the FAA under federal preemption. The city cannot enforce local noise rules against planes in flight.
How do I report airport noise?
Contact the Ontario International Airport Noise Abatement Office at (909) 544-5360 or use the ONT online complaint portal. The city logs complaints but cannot enforce them.
Rialto FAQ
Can I report a low-flying plane to Rialto code enforcement?
No. In-flight aircraft are federally preempted. File noise complaints with the FAA Western-Pacific Region or directly with Rialto Municipal Airport management.
Does Rialto have a nighttime airport curfew?
No mandatory curfew. Any new curfew would require FAA Part 161 approval, which is rarely granted.
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