UA.I.B.K8: Alcohol or drugs and the provisions on prohibition of use.

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

Core framework: fitness to operate is an operating rule issue

For the exam, anchor this topic within the operating rules you’ll be tested on. Small UASUnmanned Aircraft SystemCloseAn unmanned aircraft plus its control station, communication links, and supporting components. operations are governed by 14 CFRCode of Federal RegulationsCloseThe federal rulebook where Part 107, Part 89, Part 48, and other aviation rules live. Part 107, and general operating and flight rules are found in 14 CFRCode of Federal RegulationsCloseThe federal rulebook where Part 107, Part 89, Part 48, and other aviation rules live. Part 91. These are listed together among the “Related Code of Federal Regulations” for remote pilots and are the primary regulatory homes for rules about pilot condition and conduct. Know where to look in the CFRCode of Federal RegulationsCloseThe federal rulebook where Part 107, Part 89, Part 48, and other aviation rules live. for operating-rule prohibitions related to alcohol or drugs, and be prepared to apply them to remote PICRemote Pilot in CommandCloseThe certificated remote pilot responsible for the Part 107 operation. decision-making and crew coordination scenarios on the test.^[5] FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes. training references that support sound judgment and risk control—like the Remote Pilot ACSAirman Certification StandardsCloseThe FAA task and knowledge taxonomy used to organize handbook topics and weak-area remediation. and the Risk Management Handbook—are called out as key publications you should use to prepare.^[6]

As remote PICRemote Pilot in CommandCloseThe certificated remote pilot responsible for the Part 107 operation., you are accountable for setting and enforcing safe operational parameters. FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes. guidance emphasizes that, despite helpful manufacturer instructions, it is ultimately the responsibility of the remote PICRemote Pilot in CommandCloseThe certificated remote pilot responsible for the Part 107 operation. to determine the safe operational parameters for each operation. If you are not in a condition to make those determinations, the operation should not launch.^[3] FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes. guidance also organizes specific “Remote Pilot Responsibilities When Conducting Operations Over People” and related topics (including night) as distinct responsibilities—areas where impaired judgment would pose unacceptable risk.^[4]

Why impairment and Part 107 responsibilities are incompatible

Part 107 requires a preflight inspection and confirmation that the small unmanned aircraft is in a condition for safe operation. For operations over people, FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes. guidance states the preflight assessment “should be more complex” and include considerations such as where people are located and prevailing weather and factors that may affect risk. Executing these assessments demands clear judgment and vigilance—capabilities degraded by alcohol or drugs.^[2]

Consider high‑consequence rule sets you must follow precisely:

• Operations over moving vehicles: If the operation is not within or over a closed- or restricted‑access site, you must not maintain sustained flight over any moving vehicle. Category 4 aircraft may have specific operating limitations that affect this, but only if allowed by their FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes.‑approved Flight Manual or Administrator direction. Precision in these distinctions is essential; impairment invites violations.^[1]
• Operations over people: Category‑based allowances and prohibitions vary, including restrictions related to open‑air assemblies and requirements tied to remote identification sections (§89.110 and §89.115(a)). Misreading these constraints can have serious safety and compliance consequences.^[8]

Even aircraft eligibility thresholds require attention to detail. For example, Category 1 operations over people apply to small unmanned aircraft that weigh 0.55 pounds (250 grams) or less on takeoff and throughout the flight. Correctly classifying your aircraft and operation depends on meticulous, unimpaired decision-making.^[1]

Airspace and situational awareness demand a clear head

Maintaining airspace awareness is core to safe, compliant sUASSmall Unmanned Aircraft SystemCloseA small drone plus the control and communication links used to operate it. operations. For example, Terminal Radar Service Areas (TRSAsTerminal Radar Service AreaCloseAirspace around some busy airports where radar services are offered; participation is generally voluntary for VFR pilots.) include a Class D surface area for the primary airport, with the remaining TRSATerminal Radar Service AreaCloseAirspace around some busy airports where radar services are offered; participation is generally voluntary for VFR pilots. typically overlying Class E airspace that begins at 700 or 1,200 feet to facilitate transitions between terminal and en route environments. VFRVisual Flight RulesCloseRules for flight using visual reference and minimum weather conditions. participation is voluntary, but pilots are encouraged to contact approach control for TRSATerminal Radar Service AreaCloseAirspace around some busy airports where radar services are offered; participation is generally voluntary for VFR pilots. services; these areas are charted distinctly on VFRVisual Flight RulesCloseRules for flight using visual reference and minimum weather conditions. charts. Interpreting these structures and making appropriate radio/operational choices demand a clear, alert mind—further underscoring why any impairment is incompatible with safe UASUnmanned Aircraft SystemCloseAn unmanned aircraft plus its control station, communication links, and supporting components. operations.^[7]

Exam takeaways and practical application

• Know where operating‑rule prohibitions live: Part 107 for small UASSmall Unmanned Aircraft SystemCloseA small drone plus the control and communication links used to operate it. and related general operating rules in Part 91. Expect scenario questions that test your ability to identify when pilot condition disqualifies flight.^[5]
• Remote PIC accountability: You—not the manufacturer—determine safe operational parameters. If you cannot exercise sound judgment, do not operate.^[3]
• Preflight and risk assessment: Part 107 requires preflight; for operations over people, your assessment “should be more complex,” including people location and weather—tasks that require unimpaired cognition.^[2]
• Category and operation‑specific rules require precision:
  • Category 1 threshold is 0.55 pounds (250 grams).[^\1]
  • No sustained flight over moving vehicles when not within or over a closed/restricted‑access site (unless authorized under Category 4 operating limitations).[^\1]
  • Open‑air assembly restrictions and remote ID references appear in operations‑over‑people guidance (§89.110, §89.115(a)).[^\8]
• Use FAAFederal Aviation AdministrationCloseThe U.S. aviation regulator responsible for Part 107 rules, airspace, and pilot certification processes. study resources highlighted for remote pilots, including the Remote Pilot ACSAirman Certification StandardsCloseThe FAA task and knowledge taxonomy used to organize handbook topics and weak-area remediation. and Risk Management Handbook, to build disciplined, conservative go/no‑go habits.^[6]

Ultimately, any condition that degrades your ability to comply with these documented responsibilities and operating limitations is incompatible with safe and legal flight. Make the conservative call.