Plain English Meaning
Tools and materials an instructor uses to help students understand the lesson — things like diagrams, models, slides, videos, or actual aircraft parts brought into the classroom.
Full Definition
Devices, materials, or resources used by an instructor to support and reinforce the delivery of training content. Instructional aids include items such as chalkboards, models, charts, projected images, videos, computer-based programs, and physical objects that help illustrate concepts, clarify relationships, or demonstrate procedures during instruction.
Context Anchor
You will see this term in aviation instructor material when planning lessons, choosing classroom materials, or deciding how to explain an aircraft part, procedure, or flight concept.
Derivation
From the Latin 'instruere' (to build, arrange, teach) and 'adjutare' (to help). An instructional aid is literally something that helps the act of — it does not teach by itself, it supports the instructor.