it is actually a three leaf clover and it is Are Lingus
Morris County Golf Club in New Jersey http://www.morriscgc.com/
4H Club, France National Lottery
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The Boston Celtics chose the three-leaf clover as their logo because it symbolizes the Irish heritage of the team's founding members and the city of Boston itself, which has a strong Irish-American community. The three leaves represent faith, hope, and love, aligning with the team's values and spirit. In contrast, the four-leaf clover, while a symbol of luck, is less closely tied to the cultural identity and legacy the Celtics wanted to embody.
Yes It can. X pills that are mostly or completely white in color usually have cocaine in them, though.
It's not just Irish. It's actually pretty universal. For example, France use it as their national lottery logo.
Iberdrola has a logo with a green leaf and two drops.
Did you really mean "airplane" - or did you mean airline . -If airline it is Qantas.
Pan Am
You can see the Indigo airline emblem on it's wikipedia page here.
Ryanair
A Navy Flight Surgeon uses this very insignia. Airline, I do not know.