Airworthy Prep

Part 107 test code

UA.II.B.K4fAirspace Classification and Operating Requirements: Airspace Operational Requirements

Part 107 test, area II, task B

Written as ua.ii.b.k4f or UA.II.B.K4f on your score report.

The FAA's wording

Potential flight hazards.

Avoiding flight in the vicinity of thermal plumes such as smoke stacks and cooling towers.

Remote Pilot test standard, FAA-S-ACS-10B, II. Airspace Classification and Operating Requirements

What it means

UA.II.B.K4f is a knowledge element in the Airspace Classification and Operating Requirements area of the Part 107 test. A knowledge element is something the FAA expects you to know, and the written test asks questions on it.

UA
Unmanned Aircraft Systems, the Remote Pilot test standard
II
Area of operation: Airspace Classification and Operating Requirements
B
Task: Airspace Operational Requirements
K4f
Part (f) of knowledge element 4

Seeing it on your score report

Your Airman Knowledge Test Report lists ACS codes to show which elements you got wrong. Seeing UA.II.B.K4f there means at least one of your wrong answers was on this element. Retaking the test? Start with this code and the others on your report.

Sources: FAA-S-ACS-10B, Appendix 3, p. A-5.

Try a sample question on UA.II.B.K4f

Airspace Classification and Operating Requirements ยท UA.II.B.K4f

You are hired to inspect the roof of a power plant on a cold, calm morning. The nearby cooling tower shows no visible plume. According to the AIM, how should you treat the airspace above and around the tower?

Practice airspace classification and operating requirements

The full Part 107 course has questions on every element in this test area, with an explanation and FAA source for each.