Matches 51 - 95 out of 95 < 1 2
Match Document Document Title
5119091 Method and apparatus for adjusting windshear warning threshold  
A windshear warning system having an adjustable threshold to avoid triggering nuisance windshear alerts wherein the magnitude and duration of the shear are not sufficient to endanger an aircraft...
5117359 System and method for detection of microbursts by measuring various weather condition parameters at both spaced time and location intervals  
The invention comprises a microburst detection and measurement system having a plurality of SENSTRANS units positioned at spaced intervals, each SENSTRANS unit monitoring humidity, wind speed, wind...
5115237 Combination aircraft yaw/angle of attack sensor  
An improved aerodynamic vane is used for sensing the angle of attack of an aircraft during yawed flight. Left and right sensors are rotatably mounted to opposite sides of the fuselage of the...
5105191 Apparatus and method for detecting and indicating weather conditions for aircraft  
An apparatus and a method for detecting and indicating severe weather conditions such as wind shear and clear air turbulence includes a sensor for detecting the weather parameter of air temperature...
5093662 Low altitude wind shear detection with airport surveillance radars  
Method and apparatus for detecting low altitude wind shear through the use of autocorrelation on the received and processed echo signals. Self Autocorrelation of echo signals and autocorrelation of...
5091871 Method of determining the mean wind speed with respect to the ground during the flight of an aircraft  
A method is provided for determining the speed of the mean wind with respect to the ground during the flight of an aircraft. At each time of rank i of a succession of n times spread out over a...
5059964 Predictive windshear warning instrument  
An instrument (10) is disclosed for an aircraft having a windshear warning system to vary the threshold alarm setting as a function of a thermodynamic property of the air and as a function of local...
5053767 Aircraft windshear detection based on energy loss  
The invention provides for the detection of both longitudinal and vertical windshears during the takeoff and landing phases of aircraft flight. Standard instrumentation available on many aircraft...
5036480 Method and apparatus for simulating microburst windshears  
A method and apparatus for simulating a windshear. A vortex is modelled in terms of a family of concentric streamlines and the position of an aircraft is defined with respect to the vortex as the...
4965572 Method for producing a warning of the existence of low-level wind shear and aircraftborne system for performing same  
A method for producing a warning of the existence of low-level wind shear and an aircraftborne system for performing the method utilizes measured values of airspeed and temperature, to determine a...
4965573 Forward looking windshear detection system  
An integrated, remote sensing and reactive detection system is provided for detecting and confirming the presence of hazardous microbursts, macrobursts, and windshears in the general flight path of...
4947164 Flight path responsive aircraft wind shear alerting and warning system  
A wind shear warning system monitors the flight path of an aircraft and wind shear in the vicinity of the aircraft and generates an advisory or cautionary message for the pilot based both on the...
4947165 Windshear detection for aircraft using temperature lapse rate  
An apparatus for measuring the temperature lapse rate of the environment surrounding an aircraft in flight is described. The measured temperature lapse rate is compared with the dry adiabatic...
4937571 System for elaborating an alarm signal on board an aircraft in the event of a mini-tornado  
A system for elaborating, on board an aircraft, an alarm signal in the event of a mini-tornado, whereby an alarm threshold (α+αw) for mini-tornado is defined which is a function of the present...
4905000 Reactive windshear warning instrument  
An instrument (10) is disclosed for an aircraft having a windshear warning system to vary the threshold alarm setting as a function of a thermodynamic property of the air and as a function of local...
4891642 Wind shear detection system  
A wind shear detection system compares air-speed with a composite signal derived from signals representative of longitudinal acceleration, normal acceleration, angle of attack and flight path angle...
4890103 Rate-of-climb indicator  
The rate-of-climb indicator of this invention can indicate the existence of wind shear. It comprises: a rate-of-climb capsule directly connected with the static pressure; a gear train which...
4857922 Windshear detection and warning system with evasion command  
An improved windshear warning apparatus for aircraft, responsive to both the magnitude of the wind shear and the allowable time the windshear can be tolerated at a given magnitude. The sensed...
4853861 Windshear measurement system  
The present invention comprises a system for detecting windshear and associated downdraft effects when they are encountered in flight by an aircraft. The system includes an input unit (12), a first...
4841448 Windshear flight recovery command system  
The present invention constitutes a system for generating an elevator command signal for directing a pilot in guiding his aircraft along a path effective for recovering from hazardous windshear...
4812844 Windshear detection indicator system  
Windshear indicator system comprised of a plurality of individual windshear detection and indication devices (10) disposed to one side of and parallel to the landing approach and takeoff areas of...
4797674 Flight guidance system for aircraft in windshear  
Method and apparatus for commanding an optimal flight path for an aircraft encountering a windshear condition. An airspeed rate signal equal in magnitude and opposite in sense to the windshear is...
4786905 Wind shear detector head-up display system  
An aircraft performance instrument which provides a first indicator which represents the line of level flight of the aircraft and a second indicator representative of the maximum permissible angle...
4763266 Aircraft flight command and display system  
A system particularly adapted for guiding aircraft through wind shear conditions includes: a thrust command control (10) for maintaining airspeed and groundspeed within a defined range; a detection...
4728951 Vertical windshear detection for aircraft  
The invention provides for rapid response and reliable detection of vertical windshear during the takeoff and approach phases of flight. Standard instrumentation available on many aircraft is used...
4725811 Wind shear detection and alerting system  
A wind shear detection and alerting system (30) compares inertially derived accelerations with air speed rate to provide a wind shear warning signal. Inertially derived accelerations are used...
4667196 Active visual display system for remote three-axis flight path guidance of landing aircraft  
An active, electro-optical display system for use on fixed-wing, land-based airport runways, is disclosed for remotely guiding a pilot during visual approach and landing of an aircraft....
4589070 Airborne wind shear response system  
An aircraft is provided with wind velocity measuring equipment which measures the wind velocity both (1) close to the aircraft and (2) at a considerable distance such as one-half mile or a mile...
4586140 Aircraft liftmeter  
A display for aiding the pilot of an aircraft in anomalous wind environments. Wind velocity components are measured by an instrument 11, processed by a computer 12 and a vector generator 17 and...
4422147 Wind shear responsive turbulence compensated aircraft throttle control system  
A turbulence compensated aircraft throttle control system is augmented with switching logic and signal processing to subtantially decrease the magnitude of wind shear-induced airspeed errors and...
4390950 Angle of attack based pitch generator and head up display  
A circuit for computing a signal representing the pitch attitude of an aircraft utilizes angle of attack based information and the output of a gyroscope to produce a calculated pitch signal which...
4319219 Automatic approach landing and go-around control system for aircraft  
A system for providing an aircraft pilot and/or autothrottle and go-around pitch axis control with information when a go-around should be initiated during an approach in response to either a...
4281383 Process and system for the rapid detection of a wind gradient  
A process and system for the rapid detection of a wind gradient or change r an aircraft. Such a system provides for, on the one hand, the rapid detection of important or significant wind gradients...
4229725 Wind shear warning system for aircraft  
A system to warn an aircraft pilot of a hazardous wind shear condition in which the rate of change of airspeed is compared to the ability of the aircraft to respond thereto. Any difference...
4212444 Gust bias signal-generating circuit for aircraft throttle control system  
A system for processing signals representative of airspeed error and inertial longitudinal acceleration in first and second channels, respectively, and providing cancellation of the...
4189118 Shear detection and compensation circuit for aircraft throttle control system  
A system for processing signals representative of airspeed error and inertial longitudinal acceleration in first and second channels, respectively, and providing cancellation of the...
4189777 Ground proximity warning system with means for altering warning threshold in accordance with wind shear  
An aircraft air speed signal is differentiated to provide a signal related to rate of change of air speed. This signal is added to a signal related to aircraft barometric altitude change with the...
4133503 Entry, display and use of data employed to overcome aircraft control problems due to wind shear  
A system of airplane instrumentation utilizing devices and procedures for dealing with wind shear on the final approach to a landing. The system is designed for use in a like manner on all...
4106731 Method and apparatus to overcome aircraft control problems due to wind shear  
The inventive system requires that normal approach indicated airspeed and a predetermined approach groundspeed be used as the approach criteria, whichever is the least, compared to its own...
4079905 System for providing an indication of wind shear  
The output of a transducer providing a signal representing the instantaneous airspeed of an aircraft is differentiated and fed to a summing device. Also fed to the summing device are a signal...
4043194 Wind shear warning system  
Wind conditions along the projected flight path of an aircraft are measured and displayed. Wind velocity and direction at the aircraft and at the projected touchdown or takeoff point of the...
3814912 GUST COMPENSATION FOR ANGLE-OF-ATTACK REFERENCE AIRCRAFT SPEED CONTROL SYSTEM  
A system for deriving signals proportional to horizontal and vertical wind gust level each as the difference between an atmospheric measurement and an inertial reference and, by a threshold...
3618002 WINDSHEAR WARNING SYSTEM AND INDICATOR  
A flight control system and indicator to inform a pilot in advance if a potential windshear condition exists between the aircraft and the airport of intended landing. Current wind velocity and...
3427581 CLEAR AIR TURBULENCE DETECTOR  
3327972 Airplane instrument for furnishing a bias signal to offset the effects of forward components of gusts during landing approach  
Matches 51 - 95 out of 95 < 1 2