flight envelope


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flight envelope

[′flīt ‚en·və‚lōp]
(aerospace engineering)
The boundary depicting, for a specific aircraft, the limits of speed, altitude, and acceleration which that aircraft cannot safely exceed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

flight envelope

flight envelopeclick for a larger image
The defined conditions of air speed, altitude, g loading, sideslip, etc. the aircraft is permitted to operate within. It is a graph in which curves of the speed are plotted against altitude or other variables. It indicates the limits within which the aircraft can be operated safely.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
have a lot of synergy with our missile world" including the size, shape, weight, propulsion, flight envelope and modular payloads that comprise the systems, said Sebastien Palaprat, an engineer with MBDA.
The manufacturer has made available an immediate solution involving an operational dispatch limitation that relates to the flight envelope where the center of gravity is at the aft part of the aircraft.
It faced criticism for developments like fly-by-wire controls, which improve handling, and flight envelope protection, which stop the plane performing manoeuvres outside its performance limits.
They have a functioning SR-22 simulator with similar avionics that allowed me to explore abnormal procedures, emergency situations, and the edge of the Cirrus flight envelope including a simulated CAPS deployment.
Boeing had previously decided that 737 MAX pilots needed no extra references in 737 MAX manuals for pilots in relation to handling the MCAS system, as the system was supposed to activate only in 'extreme circumstances' and far outside the normal flight envelope. With multiple 737 MAX aircraft rolling off Boeing's assembly lines every month, storing all those aircraft has quickly become a large problem.
Air-to-Air refueling, air-to-ground FOC, earmarked weapons and general flight envelope expansion.
Early autopilots were only able to maintain a constant heading and altitude, but modern autopilots are capable of controlling every part of the flight envelope from just after take-off to landing.
To meet the standard, parachute systems will need to pass a series of aerial deployments (45 deployments for multi-rotors) through which they need to prove the effectiveness of the system in the sUAS's full flight envelope and in various failure scenarios.
During the flight, the crew tested the aircraft's flight controls, engines and main systems including flight envelope protections, both at high and low speed.
Conversely, the stall speed for the M-345 is 82 knots, which means the flight envelope is impressively large, a key discriminator in live flying training.
The first will focus on aircraft build, checkout, and supersonic flight envelope expansion set for late 2021, followed by efforts focusing on low-boom acoustic validation, according to Aviation Week.