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Units for the area in a TFR NOTAM

Remote Pilot (Part 107) practice question 22 of 31 on Airspace / Operational Requirements. ACS element UA.II.B.K5 · difficulty: recall. Want to answer it in a timed quiz? Use the Remote Pilot (Part 107) practice mode.

Question bank updated 2026-09-22

QUESTIONIn a NOTAM that designates a temporary flight restriction, the area of the restriction is defined in what unit?

  1. ANautical miles
  2. BFeet above ground level
  3. CStatute miles
Show the answer and explanation

Correct answer: C. Statute miles

  • A — incorrect Nautical miles are used for figures such as the Class C airspace radii in the guide, but the TFR NOTAM area is stated in statute miles.
  • B — incorrect Feet describe the altitudes affected, which the NOTAM lists separately from the area.
  • C — correct The study guide states that the TFR NOTAM gives the area defined in statute miles.

BACKGROUND

The Remote Pilot Study Guide describes the format of the flight data center (FDC) Notice to Airmen (NOTAM) that designates a temporary flight restriction (TFR). After the opening phrase "FLIGHT RESTRICTIONS," the NOTAM gives the location of the restriction, the effective time period, the area defined in statute miles, and the altitudes affected. Reading the area correctly matters because a remote pilot must decide whether a planned operating site falls inside the restricted circle. Because sectional charts and other airspace descriptions often use nautical miles, the statute-mile convention for TFR areas is an easy detail to mix up.

STUDY TIP

File this as a units fact: TFR area in statute miles, altitudes in feet; do not assume nautical miles just because airspace radii often use them.

KEY POINTS

  • A TFR NOTAM defines the restricted area in statute miles.
  • Altitudes affected are listed separately from the area.
  • The NOTAM also gives location and effective time period.

SOURCES

  • remote_pilot_study_guide.txt ch2 "Temporary Flight Restrictions (TFR)"
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SkyDrill is not affiliated with the FAA. This is an original practice item based on 14 CFR part 107, 14 CFR part 89, and the FAA Remote Pilot – Small UAS Study Guide (FAA-G-8082-22). Regulations and handbooks are revised; confirm details against the current edition.