Airworthy Prep

Part 107 test code

UA.I.B.K21bRegulations: Operating Rules

Part 107 test, area I, task B

Written as ua.i.b.k21b or UA.I.B.K21b on your score report.

The FAA's wording

Operating limitations for sUAS.

Altitude limitations.

Remote Pilot test standard, FAA-S-ACS-10B, I. Regulations

What it means

UA.I.B.K21b is a knowledge element in the Regulations 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
I
Area of operation: Regulations
B
Task: Operating Rules
K21b
Part (b) of knowledge element 21

Seeing it on your score report

Your Airman Knowledge Test Report lists ACS codes to show which elements you got wrong. Seeing UA.I.B.K21b 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.I.B.K21b

Regulations ยท UA.I.B.K21b

You are hired to inspect a radio tower that is 600 feet AGL. While you stay within a 400-foot radius of the tower, what is the highest altitude you may fly?

Practice regulations

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