Airworthy PrepPart 107 test code
UA.I.B.K21aRegulations: Operating Rules
Part 107 test, area I, task B
Written as ua.i.b.k21a or UA.I.B.K21a on your score report.
The FAA's wording
Operating limitations for sUAS.
Maximum groundspeed.
What it means
UA.I.B.K21a 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
- K21a
- Part (a) 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.K21a 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.K21a
Your fixed-wing drone cruises at an airspeed of 70 knots. On one leg it has a direct tailwind of 25 knots. Does that leg comply with the part 107 speed limit?
Practice regulations
The full Part 107 course has questions on every element in this test area, with an explanation and FAA source for each.