Flight envelope
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Envelope. The gas container of a balloon or airship or the outer cover surrounding the gas bags.
Flight Envelope - An aircraft's performance limits, specifically the curves of speed plotted against other variables to indicate the limits of speed, altitude, and acceleration that a particular aircraft cannot safely exceed.
ENVELOPE - Container, usually flexible, or the lifting gas or hot air of an airship or balloon.
FAA - Federal Aviation Administration.
The thin envelope of air that surrounds our planet is a mixture of gases, each with its own physical properties. The mixture is far from evenly divided. Two elements, nitrogen and oxygen, make up 99% of the volume of air.
PEP
Peak envelope power. A standard electronic rating of any AC source, including a radio transmitter
PERFECTOS
RAF airborne radar used to home on the IFF equipment carried by the German night fighters.
The Sport Pilot Envelope
To borrow a playbook page from our ever-lovin' fed gov, 'We're here to help.' We'll start the drill with some thoughts on how to begin your search. Then you can peruse our snapshot guide to the latest hot ships.
It is all too easy to create such a situation, by violating the aft limit of the airplane's weigh-and-balance envelope. Suppose you are hauling a bunch of husky skydivers.
Incidentally, there's an easy way to tell if a Pitts has been subjected to extremely hard aerobatics outside of its design envelope (you can break any airplane, even a Pitts).
The Army Air Force was unhappy with the cautious pace of flight envelope expansion and Bell Aircraft' ...
These are the operating limitations and show the boundary within which the aircraft must be flown and is often referred to as the flight or performance envelope.
flight management guidance envelope computer
FMGS
flight management guidance envelope system ...
Be sure your package is postmarked on or before the last stated day for shipping. There is no need for special handling, but good packaging is highly recommended. Put the shipping address on each of the inner envelopes, ...
The waybill is frequently attached to the side of a package or envelope and sometimes indicates the customer's cost to ship the item. There is a 6.25 percent tax on cargo waybills, which is deposited into the Airport and Airway Trust Fund.
The fuselage of a model aeroplane that is intended to fly may be constructed in a number of ways depending on the required performance envelope of the model aircraft. A number of construction methods along with useful hints and tips are included here.
Climbout speed, with respect to rotorcraft, means a referenced airspeed which results in a flight path clear of the height-velocity envelope during initial climbout.
Related Definitions from Aviation Glossary ...
informative indicating unit is able and prepared to engage a specified target with SAMs (presumes target is within or will enter the SAM engagement envelope).
BIRD(S) AWAY
Friendly SAM has been fired at designated target.
The usable signal coverage areas are determined by the signal-to-noise ratio, the envelope-to- cycle difference, and the geometric relationship between the positions of the user and the transmitting stations.
Max Gross Weight - The maximum gross weight of the aircraft is the greatest weight that the aircraft has been certified to where it is compliant with the certification envelope.
 See also: Aircraft, Flight, Aviation, Plane, Direct
  
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