UA.I.B.K9: Daylight operations.

ACS Area I — Regulations Task B: Operating Rules References: 14 CFRCode of Federal RegulationsCloseThe federal rulebook where Part 107, Part 89, Part 48, and other aviation rules live. parts 47, 48, 89, and 107, subpart B; ACAdvisory CircularCloseFAA guidance that explains acceptable ways to comply with rules or understand FAA procedures. 107-2; FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes.-H-8083-25; FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes.-G-8082-22

Key Concepts

Daylight as the Baseline: Plan, Brief, and Verify

For Part 107 operations, treat daylight as the baseline environment—time of day does not relax core regulatory responsibilities. Build every daytime mission around solid preflight planning using official resources: the AIMAeronautical Information ManualCloseFAA operational guidance and glossary material used to understand aviation procedures and terminology. and FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes. aeronautical charts for airspace understanding, plus NOTAMsNotice to Airmen / Notice to Air MissionsCloseOfficial notice about temporary conditions, hazards, or changes that can affect a flight. and weather/briefing tools. Official access points include AIMAeronautical Information ManualCloseFAA operational guidance and glossary material used to understand aviation procedures and terminology. and digital charts, and NOTAMsNotice to Airmen / Notice to Air MissionsCloseOfficial notice about temporary conditions, hazards, or changes that can affect a flight. via PilotWeb and 1800wxbrief, which support your go/no‑go decisions and risk mitigations for daytime events^[4][7]. Night introduces additional considerations, and the ACAdvisory CircularCloseFAA guidance that explains acceptable ways to comply with rules or understand FAA procedures. dedicates a separate section to “Operations Over People at Night,” underscoring that low‑light operations require distinct procedures beyond the baseline you apply in daylight^[8].

Know your regulatory framework. Title 14 CFRCode of Federal RegulationsCloseThe federal rulebook where Part 107, Part 89, Part 48, and other aviation rules live. Part 107 governs small UASSmall Unmanned Aircraft SystemCloseA small drone plus the control and communication links used to operate it. operations, with related parts such as Part 89 (Remote IDRemote IdentificationCloseRemote ID broadcast requirements for most drones operating in U.S. airspace.), Part 93 (Special Air Traffic Rules), and others you may need to consult during mission planning—time of day does not exempt you from these rules^[7]. Part 107’s establishment in 2016 reflects Congress’s direction to safely integrate UASUnmanned Aircraft SystemCloseAn unmanned aircraft plus its control station, communication links, and supporting components.; your daylight flights are part of that integrated NASNational Airspace SystemCloseThe shared U.S. airspace system that drones must operate within. environment and must be planned and flown accordingly^[4].

Over People and Open‑Air Assemblies During Daytime Events

Daylight does not remove the special safeguards for operations over people. Category 1 aircraft weigh 0.55 pounds (250 grams) or less on takeoff and throughout the flight; that weight threshold is critical for determining what over‑people operations may be eligible^[2]. When operating over or within a closed/restricted access site:

• Directly participating people: Allowed in Categories 1–4.
• Not directly participating: Category 1 and 2 are “Allowed”; Category 3 requires that people be “on Notice”; Category 4 is subject to its FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes.‑approved Flight Manual or other Administrator‑specified operating limitations^[5].

When not over or within a closed/restricted access site:

• Directly participating people: Allowed in Categories 1–4.
• Not directly participating: Category 1 and 2 are “Allowed”; Category 3 is “Transit Only, No Sustained Flight”; Category 4 remains subject to its operating limitations^[5].

Open‑air assemblies demand extra attention. Category 3 aircraft must not operate over open‑air assemblies of human beings (§107.125(b)). Category 1 and 2 are prohibited from sustained flight over open‑air assemblies unless the operation meets the requirements of §89.110 or §89.115(a); these prohibitions are subject to waiver^[5]. Practically, for a daytime festival or parade, verify your aircraft category, Remote IDRemote IdentificationCloseRemote ID broadcast requirements for most drones operating in U.S. airspace. compliance pathway (§89.110 or §89.115(a), if applicable), crowd access control, and whether nonparticipants are on notice.

Moving Vehicles in Daylight: “Transit Only” vs. Sustained Flight

If you are not within or over a closed-/restricted‑access site, you must not maintain sustained flight over any moving vehicle. Across Categories 1–3, only “transit only, no sustained flight” is permitted over nonparticipating moving vehicles outside a closed/restricted site. Within a closed/restricted site, Categories 1–3 may operate over moving vehicles when people are directly participating or, if not, are on notice. Category 4 aircraft may be eligible to operate over moving vehicles when not prohibited by their FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes.‑approved Flight Manual or other Administrator‑specified limitations^[2]. In daytime traffic environments (e.g., roads near worksites), plan lateral buffers and tracks that avoid loitering over uninvolved vehicles.

Configuration, Payload, and Daytime Preflight Discipline

Your eligibility to fly over people depends not just on category but also on configuration. For Category 2/3 eligible models, remote pilot operating instructions specify required and optional components and what payloads may be attached; any unapproved modification or payload can void eligibility to operate over people. Permissible payloads must be securely attached. Keep operating instructions up to date, configure the aircraft as specified, and remember the remote PICRemote Pilot in CommandCloseThe certificated remote pilot responsible for the Part 107 operation. retains ultimate responsibility to determine safe operational parameters^[6][3]. Part 107 always requires a preflight inspection and ensuring a condition for safe operation. For operations over people, make your preflight assessment more robust—explicitly consider where people will be located beneath or near the flight path and evaluate weather and other risk factors before starting a daylight mission^[3].

Daylight Airspace Awareness Near Terminals

Day or night, airspace rules still apply. Terminal Radar Service Areas (TRSAsTerminal Radar Service AreaCloseAirspace around some busy airports where radar services are offered; participation is generally voluntary for VFR pilots.) provide additional radar services; participation is voluntary for VFRVisual Flight RulesCloseRules for flight using visual reference and minimum weather conditions. pilots. The primary airport within a TRSATerminal Radar Service AreaCloseAirspace around some busy airports where radar services are offered; participation is generally voluntary for VFR pilots. is Class D, and the remaining TRSATerminal Radar Service AreaCloseAirspace around some busy airports where radar services are offered; participation is generally voluntary for VFR pilots. overlies other controlled airspace, normally Class E beginning at 700 or 1,200 feet. TRSAsTerminal Radar Service AreaCloseAirspace around some busy airports where radar services are offered; participation is generally voluntary for VFR pilots. appear on VFRVisual Flight RulesCloseRules for flight using visual reference and minimum weather conditions. charts with a solid black line and segment altitudes; the Class D portion uses a blue segmented line. Also be aware that Special Air Traffic Rules exist in 14 CFRCode of Federal RegulationsCloseThe federal rulebook where Part 107, Part 89, Part 48, and other aviation rules live. Part 93 and can apply within designated airspace—plan your daylight flights accordingly^[1].