The FAA provides practical test standards for Airframe, Powerplant, and General mechanic certificates. Mechanics seem to demonstrate a preference for Airframe & Powerplant, so much that "A&P" is common shorthand for "aircraft mechanic".
That being the case, my questions are:
- What can a mechanic who is only "general"-certified do and not do, compared to an A&P?
- Is there any real-world benefit in holding a general mechanic certificate?