The upkeep of equipment, to
include preservation, repair, overhaul, and the
replacement of parts.
A set of detailed
instructions issued by the manufacturer of an
aircraft, engine, or component that describes the
way maintenance should be performed.
A release, signed by an
authorized inspector, repairman, mechanic or
pilot, after work has been performed, stating that
an aircraft or aircraft part has been approved for
return to service. The person releasing the aircraft
must have the authority appropriate to the work
being signed off.
The propane tank, usually tank
number one, that offers all appropriate services,
such as liquid, vapor, and backup system.
A valve on a balloon heater
that can be set to allow propane to pass through
at a specific rate.
A type of alcohol, usually fermented
from wood, required by most balloon
manufacturers to be introduced into propane tanks
annually to adsorb, and thus eliminate, small
quantities of water from the fuel.
A gray or white parasite fungus which,
under warm, moist conditions, can live on organic
dirt found on balloon envelopes. The fungus
waste materials attack the coating on the fabric.
A statute mile is 5,280 feet. A nautical
mile is 6,076 feet.
The force of a moving body that
tries to keep the body moving at the same
direction and speed. The momentum weight of
the average hot air balloon is nearly 4 tons.
Operation of an unmanned balloon
secured to the ground by lines or controlled by
anything touching the ground. See 14 CFR
The bottom, open end of a hot air
balloon envelope. Also called "throat."