A device for measuring. Required
gauges on a hot air balloon are the envelope
temperature gauge (pyrometer) and the fuel
quantity gauge for each fuel tank. Most balloons
also have fuel pressure gauges.
Total field of aviation
operations other than military and air transport
A type of support that allows a
compass or gyroscope to remain in an upright
position when its base is tilted.
A vertical section of fabric, often made
of two vertical, or numerous horizontal panels,
sewn together to make a balloon envelope.
A test, as specified by balloon
manufacturers, to determine the tensile strength
of envelope fabric.
Persons who assist in the
assembly, inflation, chase, and recovery of a
visibility near the earth's surface as reported by
the United States National Weather Service or
an accredited observer." (14 CFR part 1)