Can someone please explane Dr. Wade's airplane analogy?

Which Dr. Wade? Was this analogy in something you read? Can you give the author and/or title? Or can you give us the analogy?

Hmm, I assumed sue meant engineering, but even in that field there are plenty of airplane analogies with Dr Wades associated. We need to know more to help>

I'm sorry, but I couldn't find any specific information about a Dr. Wade's airplane analogy. It is possible that Dr. Wade is not widely known or that the analogy in question is not popularly discussed. However, if you can provide more context or details about Dr. Wade or the specific analogy you are referring to, I may be able to assist you further.