Avioniker From United States of America, joined Dec 2001, 1109 posts, RR: 11 Reply 1, posted (9 years 12 months 1 day 23 hours ago) and read 1189 times:
No, it's a rollup door for tall tailed airplanes..
One may educate the ignorance from the unknowing but stupid is forever. Boswell; ca: 1533