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| Number | Title | Issue Date |
| 8025255 | Aircraft piloting method and device for picking up a vertical profile of a flight plan An aircraft piloting method and device for picking up a vertical profile of a flight plan. The device combines a manual piloting device that enables a pilot to control the start of the picking-up of a vertical profile and an automatic piloting device for automatical... | 09/27/2011 |
| 7430460 | Method for determining roll rate gyro bias in an attitude heading reference system A method and computer program product for determining the roll rate gyro bias of an attitude and heading reference system from true air speed, heading rate and body accelerations using centripetal force equations. ... | 09/30/2008 |
| 7379796 | Low-altitude flight guidance system, warning system for low-altitude flight guidance, warning generator for low-altitude flight guidance and method for low-altitude flight guidance A low-altitude flight guidance system for an aircraft including a warning generator that generates a warning based upon a predicted position. The system further including a first sensor system having a terrain database and a calculation module that determines a curr... | 05/27/2008 |
| 7363121 | System, method and apparatus for searching geographic area using prioritized spatial order A spatial data search method, system and apparatus for identifying particular data of significance around a reference vector through the spatial data. The method involves determining a reference vector within a spatial region for which spatial data exists, loading a... | 04/22/2008 |
| 7195200 | Unmanned helicopter, takeoff method of unmanned helicopter, and landing method of unmanned helicopter An unmanned helicopter includes an altitude control device for giving a command of a collective pitch blade angle based on an altitude change rate command, etc., and performing altitude control of an airframe and takeoff device, upon reception of a takeoff start com... | 03/27/2007 |
| 7031812 | System and method for monitoring aircraft engine health and determining engine power available, and applications thereof Smart instrumentation and monitoring provide primary engine instrumentation for an aircraft. The instrumentation generates real time engine power available data for the entire power regime and flight envelope of the aircraft while engine monitoring functions track, ... | 04/18/2006 |
| 6907323 | Vehicle equipped with a system for remote control of an opening panel and system for producing such control The invention concerns a vehicle comprising a system enabling a user to control remotely an actuating mechanism (1) connected to an opening panel, in particular a boot opening panel (8). The control system comprises means, equipping the vehicle, for co... | 06/14/2005 |
| 6819266 | System and method for reducing the speed of an aircraft An aircraft system for reducing the airspeed of an aircraft as it passes through a preselected altitude includes an automatic throttle system including a computer, a device for inputting a preselected altitude and a preselected airspeed into the computer. An altimet... | 11/16/2004 |
| 6629023 | Method for performing an automated category a approach maneuver A method for automating a landing maneuver for an aircraft, comprising the steps of generating an approach profile comprising an initial approach fix (IAF), a flight path, a landing decision point, a balked landing route, a pre-landing point, and a landin... | 09/30/2003 |
| 6575410 | Glide slope tracking system An airborne glide slope tracking system includes a radio altimeter for producing a signal indicative of the instantaneous altitude of the aircraft and a glide slope error indicator for producing a signal indicative of the angular deviation from glide slop... | 06/10/2003 |
| 6507776 | Autopilot for aircraft having automatic descent function in the event of cabin depressurization An emergency control system permits an aircraft to recover from a catastrophic loss of cabin pressure even if the pilot becomes incapacitated before he is able to activate an emergency oxygen system. An autopilot system is programmed for rapid descent, in... | 01/14/2003 |
| 6484071 | Ground proximity warning system, method and computer program product for controllably altering the base width of an alert envelope A ground proximity warning system, method and computer program product are provided that controllably alter the base width of the alert envelope in order to accommodate uncertainties associated with the current position of the aircraft. In one embodiment,... | 11/19/2002 |
| 6430479 | Methods, apparatus and computer program products for determining the vertical speed of an aircraft A method, an apparatus and a computer program product are provided for accurately determining the vertical speed of an aircraft in a manner independent of signals provided by an air data computer, an inertial reference system and an inertial navigation sy... | 08/06/2002 |
| 6366836 | Method and apparatus for providing adaptive altitude preselector units A method of changing a preselect altitude value includes receiving an input from a pilot. In response, the preselect altitude value is changed by a first amount from a current preselect altitude value toward a minimum altitude value. The first amount that... | 04/02/2002 |
| 6336060 | Arithmetic processing method and system in a wide velocity range flight velocity vector measurement system using a square truncated pyramid-shape five-hole pitot probe An arithmetic processing method and system in a wide velocity range flight velocity vector measurement system using a square truncated pyramid-shape five-hole Pitot probe. Approximation equations that determine attack angle and sideslip angle �... | 01/01/2002 |
| 6324448 | Methods, apparatus and computer program products for determining the vertical speed of an aircraft A method, an apparatus and a computer program product are provided for accurately determining the vertical speed of an aircraft in a manner independent of signals provided by an air data computer, an inertial reference system and an inertial navigation sy... | 11/27/2001 |
| 6311108 | Autonomous landing guidance system An aircraft guidance system uses radar imaging to verify airport and runway location and provide navigation updates. The system is applicable to flight operations in low visibility conditions.... | 10/30/2001 |
| 6282466 | Method of automated thrust-based roll guidance limiting An improvement to a method of automatic flight using a flight management system is provided. The flight management system includes a lateral navigation (LNAV) control mode in which the flight management system provides roll commands via a flight director ... | 08/28/2001 |
| 6169496 | Banked flight stall warning device and method A flight warning system comprises an outside temperature probe for sensing outside temperature, a gyroscope for sensing aircraft bank angle, a static transducer for sensing static pressure, and a dynamic pressure sensor for receiving total pressure from a... | 01/02/2001 |
| 6163743 | Process and device for aiding aerial navigation The invention relates to processes for aiding aerial navigation. According to the invention, there is proposed a process for aiding aerial navigation, using a flight management system (FMS) which carriers out a dialogue with the pilot by means of several ... | 12/19/2000 |
| 6161063 | Method for controlling an aerodyne for the vertical avoidance of a zone A method of automatically controlling an aircraft to avoid a vertical zone includes several steps. The aircraft first acquires limits of the zone to be avoided. The zone is modeled by a cylindrical volume which is limited by a horizontal contour with uppe... | 12/12/2000 |
| 6157891 | Positioning and ground proximity warning method and system thereof for vehicle A positioning and ground proximity warning method for vehicle includes the steps of outputting global positioning system signals to an integrated positioning/ground proximity warning system processor; outputting an inertial navigation solution to an integ... | 12/05/2000 |
| 5971325 | Compensation for rotorcraft pitch axis control saturation A control system for small unmanned rotorcraft compensates for vehicle pitch control saturation caused by the need for sudden vehicle pitch attitude correction, in turn often caused by wind gusts. The rotorcraft has a pitch-variable rotor system responsiv... | 10/26/1999 |
| 5957412 | Method and device for vertical guidance of an aircraft The present invention relates to a method and a device for guiding an aircraft (A) according to a prescribed vertical flight path (T). According to the invention: the vertical distance he between said aircraft (A) and said flight path (T) is determined; the di... | 09/28/1999 |
| 5900827 | Flight crew response monitor Method and apparatus for measuring the alertness level of the flight crew of an aircraft and raising it when necessary. The system also detects departures from the planned flight profile and provides aural warning.... | 05/04/1999 |
| 5884870 | Device for maintaining the speed of an aircraft within a particular speed range An automatic device for maintaining an aircraft at an authorized speed compatible with the technical capabilities of the aircraft includes: a system for comparing the effective speed of the aircraft with reference speeds defined in accordance with the technica... | 03/23/1999 |
| 5730394 | Vertical performance limit compensator A vertical performance limit compensator is provided for a rotary wing aircraft. The compensator modifies a vertical velocity command signal for the aircraft's autopilot. The vertical velocity command signal represents a desired vertical velocity for the ... | 03/24/1998 |
| 5715162 | Correlative filter for a synchrophaser A synchrophaser for a multi-engine, propeller-driven aircraft including a filter that automatically compensates for misalignment of blade position sensor tabs through derivation and application of a correlation coefficient. The correlation coefficient is ... | 02/03/1998 |
| 5695156 | Aircraft vertical position control system Aircraft input signals of selected altitude (hs), selected vertical speed (hs), current altitude (h), current vertical speed (h), current pitch attitude (θ), current normal acceleration (Nz) and current pitch rate (Q) are... | 12/09/1997 |
| 5274558 | Apparatus for decoupling a torque loop from a speed loop in a power management system for turboprop engines A torque loop decoupler decouples a torque loop from a speed loop to allow only the speed loop to react to small, rapid changes in engine speed. The torque loop decoupler calculates a compensation signal and adds the compensation signal to a control signa... | 12/28/1993 |
| 5260702 | Aircraft information system An aircraft landing information system is disclosed which provides to the aircraft pilot information regarding the actual and preferred sink rate of the aircraft, the distance between the landing gear wheels and the runway, and deviation of the actual sin... | 11/09/1993 |
| 5243339 | Flight crew response monitor Method and apparatus for measuring the alertness level of the flight crew of an aircraft and raising it when necessary. The system also detects departures from the planned flight profile and provides aural warning.... | 09/07/1993 |
| 5070458 | Method of analyzing and predicting both airplane and engine performance characteristics Aircraft/engine performance is determined by the method of the present invention, wherein the performance characteristics are defined by learned performance parameters. The method includes the steps of learning the performance parameters of the aircraft/e... | 12/03/1991 |
| 5056027 | Apparatus and method for a smooth transition between calibrated airspeed control of an aircraft and Mach number control of an aircraft Apparatus and an associated method are described for an aircraft for providing an auto-changeover procedure from a calibrated airspeed control parameter to a Mach number control parameter when the aircraft is ascending; and, from a Mach number control par... | 10/08/1991 |
| 4951047 | Negative climb after take-off warning system A warning system for aircraft compares the rate of descent of the aircraft with its altitude above ground after take-off, and generates warning if the aircraft is experiencing an excessive descent condition for the radio altitude at which the aircraft is ... | 08/21/1990 |
| 4862372 | Apparatus and methods for generating aircraft control commands using nonlinear feedback gain Altitude rate commands are generated and fed to an aircraft autopilot to cause the aircraft to transition to a non-level flight path which corresponds to a portion of a calculated flight path profile stored in a flight management computer. When capture of... | 08/29/1989 |
| 4849900 | Flight control system and method A flight control system combines airspeed with normal acceleration to produce a feedback signal and combines the feedback signal with a feedforward signal consisting of a pilot command signal to produce a differential acceleration signal which is used to ... | 07/18/1989 |
| 4818992 | Excessive altitude loss after take-off warning system for rotary wing aircraft A warning system for rotary wing aircraft compares the accumulated altitude loss after take-off of the aircraft with its altitude above ground, and generates a warning if the altitude loss is excessive for the altitude above ground at which the aircraft i... | 04/04/1989 |
| 4773017 | Method and device for assisting height holding in air navigation A method and device are provided for assisting in height holding in air navigation, consisting, for any point (M) of the image of the landscape flown over by the aircraft (A), located by its angle of elevation (θ-p) with respect to the speed vector V of ... | 09/20/1988 |
| 4709336 | Descent flight path control for aircraft Apparatus for the automatically controlling aircraft descent to a computed descent flight path. At any point in the descent portion of flight, a path error signal is used to compute an incremental speed command that is algebraically summed with a nominal ... | 11/24/1987 |
