Here's a
real photograph of 1,000 feet separation. Cracking picture but one helluva visual case for NAV off-sets. This guy (SIA Capt) has a Gold in air to air photographs. Look at
http://www.!!!!!!!!!!!!!!/search and do a Keyword search on Bailey. Brilliant!
EVA Air B747-400 passing 1000 feet below a China Airlines A340 in RVSM Airspace.
