A lighter-than-air aircraft that is not
engine driven, and that sustains flight through the
use of either gas buoyancy or an airborne heater.
A manual containing
operating instructions, limitations, weight, and
performance information, that must be available
in an aircraft during flight. Portions of the flight
manual are FAA-approved.
Portion of a balloon that carries pilot,
passengers, cargo, fuel, and instruments.
The valve on a propane burner that
controls the flow of propane burned to produce
(pronounced boh’-lin) A
common knot that is easy to tie and untie and
will not slip.
Btu (British thermal unit)
A measurement of
heat. The amount of heat required to raise 1 pound
of water from 60 to 61 °F.
In ballooning, when the balloon is
zero weight and is neither climbing nor falling.
A common term meaning to activate the
main blast valve and produce a full flame for the
purpose of heating the air in the envelope.