Airworthy Prep

Flight Instructor Airplane test code

AI.III.C.K2aPreflight Preparation: Weather Information

Flight Instructor Airplane test standard, area of operation III, task C

Written as ai.iii.c.k2a or AI.III.C.K2a on your score report.

The FAA's wording

Acceptable weather products and resources required for preflight planning, current and forecast weather for departure, en route, and arrival phases of flight such as:

Airport Observations (METAR and SPECI) and Pilot Observations (PIREP)

FAA-S-ACS-25, Flight Instructor for Airplane Category ACS (November 2023, effective May 31, 2024), III. Preflight Preparation, Task C. Weather Information

What it means

AI.III.C.K2a is a knowledge element in the Preflight Preparation area of operation of the Flight Instructor Airplane test standard. A knowledge element is something the FAA expects you to know, and the written test asks questions on it.

AI
Flight Instructor Airplane ACS
III
Area of operation III: Preflight Preparation
C
Task C: Weather Information
K2a
Part (a) of knowledge element 2

Seeing it on your score report

Your Airman Knowledge Test Report lists a code for each area where you missed a question. Seeing AI.III.C.K2a there means at least one of your wrong answers was on this element. If you are taking the practical test next, expect the examiner to ask about it. Retaking the written? Start with this code and the others on your report.

Sources: FAA-S-ACS-25, Flight Instructor for Airplane Category ACS (November 2023, effective May 31, 2024); FAA Airman Knowledge Testing Matrix (revised 9/25/26), p. 2.

Can be printed on 2 tests
  • Flight Instructor Airplane (Added Rating) (AFA)
  • Flight Instructor Airplane (FIA)

Got more than one code on your report?

Paste them all into the free study planner and it groups them by subject, most missed first.