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Stall warning
In some aircraft a stall warning device is fitted in the form of a horn or light. This device is set to indicate a stall warning around 5 kts above actual stall speed.

Bird Hazard Warning System
Tags: Bird Strike
A set of procedures, using standard bird watch condition codes, for immediate exchange of information between ground and airborne personnel concerning the existence and location of birds posing a hazard to flight.

Warning Lights
Along the top you can see a set of warning lights. Earlier models of Robinson spread these all over the panel, in the Beta model they are nicely grouped along the top.

Warning area. An area containing hazards to any aircraft not participating in the activities being conducted in the area. Warning areas may contain intensive military training, gunnery exercises, or special weapons testing.

Warning Area - A warning area is airspace of defined dimensions extending from 3 nautical miles outward from the coast of the USA, that contains activity that may be hazardous to non-participating aircraft.

~, Caution, Advisory (WCA).
See: ~, caution, advisory, annunciator, alert;
Wash-out filter.
A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; ...

A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ...
See: ~, caution, advisory, annunciator, alert; ...

WAYPOINT- A predetermined geographical position used for route/instrument approach definition, progress reports, published VFR routes, visual reporting points or points for transitioning and/or circumnavigating controlled and/or special use airspace, ...

~s are issued by local NWS offices when severe thunderstorms or tornadoes are indicated by weather radar, weather observers or trained spotters. A ~ describes an imminent risk from a tornado or severe thunderstorm in a relatively small area such as one or several counties.

~ light that illuminates to inform the pilot that a metallic chip has been detected in a particular component.
Chord Line ...

~: All liability waived! Rocketry is an inherently dangerous undertaking.
Make your choices and take personal responsibility for the outcome of your experiment!
Protect your privelege to fly rockets by not making the headlines or becoming a statistic.

~: just because this works OK 99% of the time, don't get the idea that it works all of the time. Bad habits are easy to learn and hard to unlearn. Do not get the idea that pulling back on the yoke always makes the airplane go up.

Voice ~ systems included in automobiles of the late 1970s to early 1980s, such as the Datsun Z-Car Series found in the 280ZX, were also known as Bitching Betty. The Datsun system issued commands such as "lights are on," or "Left door is open.

North ~ System (NWS) (see COM 6.7.2)
A system that provides airspace surveillance and command and control capability for air defence identification over the northern approaches to the continent.

Airborne ~ and Control System
British Aerospace (aircraft manufacturer) ...

Official ~ or cautionary statement from the US State Department regarding travel to a particular area.

Unlimited Mileage ...

The major ~s of approaching retreating blade stall conditions are:
Abnormal vibration
Pitchup of the nose
Tendency for the helicopter to roll in the direction of the stalled side.
When operating at high forward airspeeds, the following conditions are most likely to produce blade stall: ...

Sigmet: ~ signal issued by Aviation Meteorological Service when weather conditions suddenly deteriorate.
Slats: Aerodynamic device fitted to leading edge of wings to delay onset of stall.
Spot height: Height noted on chart showing elevation of prominent mountain peak.


Volcanic Ash ~s
Vereinigung Cockpit (German Air Line Pilots' Association) ...

Suddenly, without ~, my mind forgot where it was and hooked up with the microprocessors. I was no longer sitting in a high-tech lawn chair in Arizona. I had stepped across the virtual threshold into a reality all my own.

Ground Proximity ~ Systems (GPWS) have been mandatory equipment on large transport aircraft for years and been instrumental in preventing some CFIT accidents. Terrain Awareness and ~ Systems (TAWS) have been developed with increased capabilities to replace GPWS.

AWACS - Airborne ~ and control system; an advanced AEW aircraft, with additional facilities for deployment and control of defence, interception, and counter-strike forces.

only TAF Terminal Area Forecast TAMR Terminal Automation Modernization and Replacement TARS Terminal Automated Radar Service TAS True Air Speed TATCA Terminal Air Traffic Control Automation TAVT Terminal Airspace Visualization Tool TAWS Terrain Awareness and ~ ...

EGPWS : Enhanced Ground Proximity ~ System. A system installed on transport-category aircraft that uses a worldwide database of terrain coupled with the aircraft's gps-derived position to provide a predictive ~ of terrain ahead of the aircraft which may become a threat considering the ...

The Ground Proximity ~ System (GPWS), also known as the Ground-Collision ~ System, is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground.

There is a separate approved smoke or fire detector system to give ~ at the pilot or flight engineer station
Class C: Typically below the main deck, or on the same deck as passengers, but are not readily accessible.

AEW - Airborne Early ~
AEW&C - Airborne Early ~ & Control (see AWACS)
AFB - Air Force Base
AFRC - Air Force Reserve Command
AIS pod - The pods carried by aircraft at Red and Green Flag so that ground controllers and instructors can keep track of ACMs in real time ...

The character the country should be carefully investigated f the profile maps before starting; all hilly should be marked on the map as a ~ landing. Contour is not readily distinguished a height of 2000 ft.

GPWS: Ground Proximity ~ System. A radar-based flight deck system to give pilots audible ~ by means of horns, hooters, taped or synthetic voices of terrain close beneath an aircraft's flight path. One of the GPWS' ~s might be: "TERRAIN! WHOOP WHOOP! PULL UP!" or "WINDSHEAR! ...

All engine performance data can be displayed, and if a limit is exceeded, a ~ will alert you of the problem. The ~ system includes a voice in the background telling you that you forgot your gear, or that you're too fast or slow.

We got numerous voice ~s of traffic along the way when in range of a participating radar site, although Gauch swears his transponder once said, "Chocolate milk unavailable," instead of the intended, "traffic unavailable.

Standard electrical accessories include the starter, the electric fuel pump, the stall ~ horn, the ammeter, and the annuaciator panel.

He has primary radio contact with the pilot on final approach, and serves both as a backup to the mirror system for the pilot and as an early ~ of impending trouble. The LSO is able to detect power and attitude changes in the landing aircraft, and issue a call for adjustments.

British scientists had been working on a device that could give them early ~ of approaching enemy aircraft even before the war began, and by 1940 Britain had a line of radar transceivers along its east coast that could detect German aircraft the moment they took off from the Continent.

EGPWS (Enhanced Ground Proximity ~ System)
Uses aircraft inputs such as position, attitude, air speed and glide slope, which along with internal terrain, obstacles, and airport databases predict a potential conflict between the aircraft's flight path and terrain or an obstacle.

The stall ~ horn sounds briefly and you add more power. The scud once again floats across the runway only to go away once more. Now you're on a three quarter mile final. Once out of the turn you immediately dump full flaps and dive for the approach end. You reach over and pull the power.

Sadly, many of the notes, ~s and cautions in aircraft manuals and some of the FARs are written in blood. But violation of an FAR doesn't automatically mean that the flight was unsafe. It all seems so confusing.

Nanosecond: Time delay built into the stall ~ system.
Range: Usually about 30 miles beyond the point where all fuel tanks fill with air.
Rich Mixture: What you order at the other guy's promotion party.

COCKPIT VOICE RECORDER (CVR) - A crash-resistant device featuring a very sensitive microphone to digitally record sounds heard in the cockpit of an airplane: pilot-to-pilot conversation and comments, ~ horns and signals, slipstream, and the like.

Technically, Operation Overlord began five days earlier, when the BBC transmitted a coded ~ to the French Resistance that an invasion was imminent. The planned invasion was postponed two days because of bad flying weather.

Nanosecond - Time delay built into the stall ~ system.
Parasitic Drag - A pilot who bums a ride back and complains about the service.
Range - Usually about 30 miles beyond the point where all fuel tanks fill with air.

En-Route Automated Minimum Safe Altitude ~
Environmental Assessment ...

If you had five miles of horizontal separation between two aircraft on their own navigation, this could be eroded without ~ if, for example, one of the pilots turned their aircraft to avoid bad weather.

~ indicators are usually provided in the cockpit to indicate whether the wheels are extended and locked or retracted. In nearly all airplanes equipped with retractable landing gear, a system is provided for emergency gear extension in the event landing gear mechanisms fail to lower the gear.

If you exceed a limit, a flashing ~ will occur in the schematic. You can see the temperature limits by choosing "Temp Variation" in the Graphical Output display.

Known icing conditions are those where a pilot would expect a substantial likelihood of ice formation on an aircraft based on all the information available to a pilot, eg, weather reports, aircraft reports, forecasts and ~s.

GASAG Global Aviation Security Action Group. GATS General Agreement on Trade in Services (under WTO). GDS Global Distribution System. GNSS Global Navigation Satellite Systems. GPS Global Positioning System. GPWS Ground Proximity ~ System.

Autogyro - An aircraft equipped with a rotating wing, or rotor, to sustain itself in the air, and a propeller to move forward.
AUX Fuel - Auxiliary fuel tanks.
AWACS - Airborne ~ And Control System. An electronically very souped-up Boeing 707. [Pronounced ``AY-wax.''] ...

See also: See also: What is the meaning of Aircraft, Flight, Pilot, Air, Plane?

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