FlyCurrentFLYCURRENT
IR.V.B.S4FAA-S-ACS-8C · Nov 2023Skills

Establish two-way communications with the proper controlling agency, use proper phraseo...

ACS element text (the applicant demonstrates understanding of)

Establish two-way communications with the proper controlling agency, use proper phraseology, and comply in a timely manner with all ATC instructions and airspace restrictions.

Bottom line

The applicant exhibits the skill to: Establish two-way communications with the proper controlling agency, use proper phraseology, and comply in a timely manner with all ATC instructions and airspace restrictions.

FAA references

  1. 14 CFR 91.129 (Operations in Class D airspace.) — eCFR current as of 2026-03-05
  2. AC 90-105, para. 8.4.4 — AC No: 90-105A
  3. AC 90-100, paras. 10c, 10d — AC No: 90-100A
  4. AC 90-105 Appendix D — AC No: 90-105A
  5. AC 90-100, para. 4l — AC No: 90-100A
  6. 14 CFR 91.185 (IFR operations: Two-way radio communications failure.) — eCFR current as of 2026-03-05
Members lesson

Build understanding you can use

Unlock the full lesson and continue studying this element.

  • Full teaching sections: Standard; Meeting it; Deviations; Practice
  • Check your understanding with answers you can reveal
View membership options