Definition
A person recognized as having deep, specialized knowledge and proficiency in a particular field — in aviation training, typically an experienced pilot, mechanic, or instructor whose expertise is drawn upon when developing courseware, writing test questions, evaluating training programs, or advising on technical accuracy.
Plain English
Someone who really knows their stuff in a specific area. In aviation training, an SME is the experienced person you turn to when you need expert input — for example, a seasoned instructor helping write a new training course.
Context Anchor
Seen in instructor training, course development, lesson review, and discussions about how instructors maintain accurate knowledge of what they teach.
Derivation
‘Subject matter’ refers to the content of a particular topic; ‘expert’ comes from the Latin expertus, meaning ‘tested’ or ‘proven by experience.’ Together, the term describes someone whose knowledge in a specific topic has been proven through experience and practice.
Why Pilots Care
Training materials, checkrides, and FAA knowledge tests are built with input from SMEs. Knowing the term helps a pilot understand who is shaping their training and why expert input matters for accuracy and safety.
Intuition Check
An SME does not simply mean “someone who is good at aviation.” It means someone proven in the specific subject being taught, checked, or explained.
Example Sentence 1
The flight school brought in an SME from the local maintenance shop to help develop the powerplant section of the ground school curriculum.
Example Sentence 2
Before approving the weather module, the FAA examiner asked the SME to verify every technical point.