A cloud bank ahead but none was forecast; a cloud layer
forecast but higher or lower or wider than predicted; a temptation to fly above an overcast--VFR On-Top--without proof the sky is passable where and when needed .
The illumination that night was nine percent with a cloud layer
at 1,500 feet MSL--one of the darkest nights I had ever flown.
Griffith believes a methane cloud layer
could lie at an altitude of 15 kilometers and cover 7 to 9 percent of Titan's disk.
In fact, this is a combination to really watch out for when temps in that cloud layer
are conducive to icing.
The airplane was cruising at 2000 feet msl to remain below an overcast cloud layer
when it experienced a total loss of engine power.
The rendezvous would be above the cloud layer
en route to joining on the KC-135.
The simplest, albeit speculative, conclusion is that not only did the fragments fail to reach the lowest cloud layer
, but also that the comet itself was virtually devoid of water.
The trick has to do with how Class E and Class G airspace exist, how and when they begin and terminate, and the weather underneath the cloud layer
you just penetrated.
As they broke out of the cloud layer
at 10 miles south of the field, Capt.
Archived weather information re-corded by the Napa ASOS between 0420 and 0435 that morning de-picted an overcast cloud layer
at 600 feet agl with 10 miles visibility.
With a cloud layer
at 1,000 feet AGL, the break was closed.
Cessna 775: "No, I'm just requesting an IFR descent through a thin cloud layer
to VFR conditions below.