What procedures and / or methods are recognized within the Aviation industry?

There are thousands:

wiring color codes
placement of instruments on panels
welding standards
riveting standards
Metalurgy standards
tire standards
Human factors standards
redundany hydraulic, and electric standards
navigation light standards
communication standards
traning standards (for all personnel)
documentation stnadards for maintenance
pilot proficience standards
air worthness standards
and on and on and on