UA.V.D.K3: Situational awareness.

ACS Area V — Operations Task D: Aeronautical Decision-Making References: 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-8083-2, 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

Reading the Airspace: Charts and Key Information Sources

Situational awareness starts with knowing where you are, what’s around you, and how that environment changes. Aeronautical charts are the visual “road map.” Sectional charts are most common and have a scale of 1:500,000 (1 inch = 6.86 NMNautical MileCloseA distance unit used in aviation. One nautical mile is about 1.15 statute miles. or approximately 8 SMStatute MileCloseA distance unit used for visibility in U.S. aviation weather reports.). They depict airports, airspace, navaids, and topography—information you use to stay oriented and anticipate traffic and terrain. VFRVisual Flight RulesCloseRules for flight using visual reference and minimum weather conditions. Terminal Area and World Aeronautical Charts are additional VFRVisual Flight RulesCloseRules for flight using visual reference and minimum weather conditions. products you may encounter. A free catalog of aeronautical charts is available from Aeronautical Navigation Products. Use the legend to interpret symbology accurately when planning and while monitoring your operation. ^[1]

Before operating near an airport or in complex airspace, review current airport data. Build your picture from multiple sources: Aeronautical Charts, the Chart Supplement U.S., NOTAMsNotice to Airmen / Notice to Air MissionsCloseOfficial notice about temporary conditions, hazards, or changes that can affect a flight., and ATISAutomatic Terminal Information ServiceCloseRecorded airport weather and operational information for pilots.. This helps you identify frequencies, services, construction, and closures that may affect your operation—key to avoiding surprises that erode situational awareness. ^[2] FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes. references that support ADMAeronautical Decision-MakingCloseA structured way to identify risk, choose safer options, and avoid launching when conditions are not acceptable. and situational awareness include the AIMAeronautical Information ManualCloseFAA operational guidance and glossary material used to understand aviation procedures and terminology., Pilot/Controller Glossary, Pilot’s Handbook of Aeronautical Knowledge, Risk Management Handbook, and the Remote Pilot – sUASSmall Unmanned Aircraft SystemCloseA small drone plus the control and communication links used to operate it. ACSAirman Certification StandardsCloseThe FAA task and knowledge taxonomy used to organize handbook topics and weak-area remediation.. These resources are available on the FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes. website for study and preflight preparation. ^[7]

Traffic Flow Awareness Near Airports

Even if you never enter an airport traffic pattern, understanding how crewed aircraft flow helps you see-and-avoid effectively. Pattern entries commonly use a 45° entry to downwind. An alternate technique is midfield crosswind at pattern altitude; do not use it if the pattern is busy. Give way to aircraft on the preferred 45° entry and to those already established on downwind. Announce intentions, scan outside continuously, and adjust course or speed to blend into traffic before joining downwind. Avoid flying too fast or too slow relative to the flow—fit in, don’t force others to fit around you. These techniques underscore ADMAeronautical Decision-MakingCloseA structured way to identify risk, choose safer options, and avoid launching when conditions are not acceptable. concepts: anticipate where traffic will be, verify it visually, and adjust early to maintain separation. ^[2]

People and Vehicles: Know Your Category and Limits

Maintaining situational awareness includes understanding when your aircraft may be overhead people or vehicles—and whether that is permitted under your category. Part 107 Subpart D prescribes eligibility and operating requirements for operations over human beings or over moving vehicles. Except as provided in §§ 107.39(a) and (b) and 107.145, operations must meet the applicable section for Category 1, 2, 3, or 4. ^[3]

• Category 1: The aircraft must weigh 0.55 pounds or less on takeoff and throughout the operation, including everything on board or attached, and it must not have exposed rotating parts that would lacerate human skin. Sustained flight over open-air assemblies requires meeting § 89.110 or § 89.115(a). ^[3]
• Category 2: The aircraft must be designed/produced/modified such that it will not cause injury equivalent to or greater than 11 foot-pounds of kinetic energy upon impact, has no exposed rotating parts that would lacerate human skin, and has no safety defects. It must display a label indicating eligibility for Category 2 and include remote pilot operating instructions addressing system description, limitations, eligible categories, permissible modifications, and how to verify/change modes or configurations. ^[4]

Operations over moving vehicles demand special attention. If the operation is not within or over a closed- or restricted-access site, do not maintain sustained flight over any moving vehicle; only transit is permitted—no loitering. Within a closed/restricted-access site, operations may be allowed, with persons not directly participating required to be on notice, subject to category and any operating limitations. Category 4 eligibility may permit operations over moving vehicles if not prohibited by operating limitations specified in the FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes.-approved Flight Manual or as otherwise prescribed by the Administrator. Build this constraint into your planning and in-flight decisions; avoid drift or holds that could inadvertently create sustained flight over traffic. ^[5]

Night Operations and Remote Pilot Responsibilities

Situational awareness changes at night, but the categories and restrictions for operations over people do not. If the aircraft is eligible for operations over people, the remote pilot may operate over human beings at night pursuant to §§ 107.29 and 107.39. Manufacturers declaring Category 2 or 3 eligibility for night operations will likely need to account for the mass of an anti-collision light in meeting the applicable safety thresholds. ^[6] Your responsibilities include confirming you are operating in the appropriate category, verifying the aircraft is properly labeled, and ensuring it is listed on an FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes.-accepted declaration of compliance. Incorporate these checks into preflight to prevent regulatory or safety missteps that can rapidly degrade situational awareness during flight. ^[6]

By combining accurate preflight information, a mental model of traffic flows, strict adherence to over-people and moving-vehicle limits, and disciplined category verification, you sustain the “big picture” needed for safe, compliant sUASSmall Unmanned Aircraft SystemCloseA small drone plus the control and communication links used to operate it. operations.