Hey everyone! Sorry for posting here but i cannot ask on a.net. i really hope this posted under the right forum! Appologies if not
I am curious to find out what the various test flights from boeing means? For instance a B1 test flight or a C1 test flight?
Example on the page linked there is a 747-8i returning from a C1 flight
kpae.blogspot.com/2012/04/paine-field-april-19.html?m=1
Please if anyone could direct me to a page explaning eruthing it would be mich appreciated! I tried searching myself but cannot find anything! Thanks in advance!