Originally Posted by asquared
Ok guys, enough with the jokes, please help this new member.
I believe the post prior to yours was helpful to the new member. This site is so overloaded with all the abbreviations, etc., that I don't think anyone can understand them all.
I immediately knew what the original post was about because it's a common expression in the aircraft industry (some airplanes can have as many as 4-5 BIRDs, depending on the number of batteries, inverters and TRUs installed). I didn't reply because I don't have a clue what would be installed on the referenced RV.