Depreciation/Amortization related Question

I wanted to know how would a manufacturing/services related company in Aerospace sector in USA, depreciate its assets and amortize its IP assets? any specific method they follow, Straight line, Double declining? Can someone please explain

so you posted your question in the career thread?

Straight expense son!

Are you talking about financial or tax depreciation? Under which GAAP (assuming financial)…presumably US GAAP, but could be others (if it reports on another exchange, owned by foreign parent, etc).