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| Number | Title | Issue Date |
| 8155807 | Fusion for automated target recognition A method of predicting a target type in a set of target types from at least one image is provided. At least one image is obtained. A first and second set of confidence values and associated azimuth angles are determined for each target type in the set of target type... | 04/10/2012 |
| 8116923 | Stabilized approach monitor Systems and methods for suppressing an unstable alert when the aircraft is in the process of landing on a temporarily displaced threshold. In an example process, a processor on the aircraft determines the aircraft is on an approach to landing on a runway based on in... | 02/14/2012 |
| 7970503 | Method and apparatus for detecting anomalies in landing systems utilizing a global navigation satellite system A method, apparatus, and computer program product for detecting anomalies in a landing system. In one embodiment, a magnitude difference between a blended inertial deviation magnitude and a raw deviation magnitude is identified to form a magnitude difference. The ma... | 06/28/2011 |
| 7953524 | Navigation through reception of a remote position fix via data link A method of navigating a mobile platform. A reflectable electronic signal is transmitted. A reflection of the reflectable signal is received. A position of the mobile platform is determined based upon the reflection of the reflectable signal. A platform position sig... | 05/31/2011 |
| 7941251 | Consistent localizer captures Systems and methods for performing localizer capture maneuvers are disclosed. In one embodiment, a method includes determining at least one instrument landing system (ILS) threshold of an aircraft, and establishing at least one final approach course (FAC) deviation ... | 05/10/2011 |
| 7546183 | In-flight verification of instrument landing system signals An instrument landing system (ILS) provides signals in space receivable by an aircraft in flight to identify, for example, a point in space at which to start an approach along a glide slope path to a touchdown point on a runway. Atmospheric, ground and other conditi... | 06/09/2009 |
| 7444214 | Obstacle detection apparatus, method and medium An obstacle detection apparatus and method which can detect the state of an obstacle according to a signal generated when the obstacle detection apparatus collides with the obstacle and a change in the posture of the obstacle detection apparatus caused due to the co... | 10/28/2008 |
| 7417641 | Aeronautical chart display apparatus and method A method and apparatus for converting electronic display aeronautical chart data to aeronautical chart data that is tailored for an avionics display is disclosed. The method and apparatus received by a data processing unit, electronic display aeronautical chart data... | 08/26/2008 |
| 7409272 | Systems and methods for removing undesired signals in instrument landing systems A method of removing undesired signals in an aviation guidance system may include receiving at least one first desired signal having a first frequency of amplitude modulation, receiving at least one second desired signal having a second frequency of amplitude modula... | 08/05/2008 |
| 7305285 | Method and device for piloting an aircraft A piloting device may include a section for generating control orders for the control surfaces acting on the yaw movement of an aircraft. A central unit determines an instruction to rotate the aircraft, based on control orders, and determines a global moment to be a... | 12/04/2007 |
| 7237747 | Device for assisting an airplane in intercepting a segment of a flight path utilizing positional and ground speed indicators Device assisting with interception by an aircraft of a flight path segment located in a horizontal plane and a system of assistance with interception and follow-up of such a segment. The device includes means of determining a ground speed vector and means of display... | 07/03/2007 |
| 7206675 | Runway approach using localizer alone This invention provides an improvement in the present instrument approach procedure used at airports having an ILS localizer without an accompanying UHF glide-slope. The field strength of the localizer, as measured at the airplane, is used as a basis for producing a... | 04/17/2007 |
| 7206698 | Ground operations and imminent landing runway selection A method, computer program product and apparatus for locating aircraft with respect to airport runways and environs, generating a graphical display of the aircraft position, heading and ground speed information relative to the aircraft runways and environs, and annu... | 04/17/2007 |
| 7203577 | Methods and systems for displaying the source of aircraft control instructions Methods and systems for displaying the source of aircraft control instructions are disclosed. A method in accordance with one embodiment to the invention includes receiving a first target to which an aircraft will be automatically directed upon authorization from an... | 04/10/2007 |
| 7068187 | Method, apparatus and computer program product for unstabilized approach alerting A method, apparatus and computer program product for assisting the pilot of an aircraft in making a go-around decision. Various aircraft parameters are monitored during the approach to land and a risk level assessed. When the risk level exceeds a specified threshold... | 06/27/2006 |
| 6954782 | Method for continuously processing electronic messages throughout a transition between online and offline states An electronic mail (e-mail) application program includes a configurable, e-mail messaging feature for automatically responding to a portable computer's transition between online and offline states. The e-mail application program determines the state of a connection ... | 10/11/2005 |
| 6845304 | Method of and system for deriving inertial-aided deviations for autoland systems during GPS signal interruptions Deriving inertial-aided deviations for autoland systems during GPS signal interruptions involving an inertial reference system and a GPS landing system can include converting position coordinates of an aircraft from the inertial reference system to runway, lateral, ... | 01/18/2005 |
| 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 |
| 6600977 | Glideslope monitor for aircraft A system, method, and computer program product for alerting an aircraft flight crew of an inconsistency during an instrument landing system (ILS) approach to a selected runway. The system includes a component configured to receive glideslope and localizer... | 07/29/2003 |
| 6567728 | Terrain awareness system having nuisance alarm filter for use during approach An approach suppressed TAWS system and method for suppressing nuisance alarms based upon a determination that an aircraft is properly aligned for landing based upon location within a safe zone defined by a glideslope component and a localizer component.... | 05/20/2003 |
| 6542809 | Method and system for displaying target vehicle position information A system and method for displaying target vehicle position that combines the data available from a plurality of surveillance sensors. Data from the plurality of sensors is fused to calculate a composite target position and a projected track for each vehic... | 04/01/2003 |
| 6438469 | Flight control system and method for an aircraft circle-to-land maneuver A flight control system and method for controlling a circle-to-land ("CTL") maneuver utilizes an airborne area navigator. The area navigator receives inputs on aircraft category, aircraft position and speed, airport navigation data and pilot supplied data... | 08/20/2002 |
| 6282488 | Airport surface movement guidance and control system An airport surface movement guidance and control system (SMGCS) involving detection, integrated processing and graphical display of the relevant, in particular the safety-relevant, positions and movements of aircraft, and optionally, vehicles, on airside ... | 08/28/2001 |
| 6239745 | Satellite landing system having instrument landing system look alike guidance Disclosed are a global navigation satellite system (GNSS) landing system (GLS) and methods of using the same to calculate a vertical deviation from the glide slope of the aircraft. A GNSS antenna and position determining circuitry are used to determine th... | 05/29/2001 |
| 5955971 | Window-passage detection system of an airplane A window-passage detection system has a ground system comprising: a first course generator (3) for generating a horizontal DDM (Differential Depth of Modulation) pattern for defining a horizontal width (25) of a virtual window frame by emitting a first ca... | 09/21/1999 |
| 5909193 | Digitally programmable radio modules for navigation systems A programmable digital radio is configured to perform navigation functions. A receiver in the programmable digital radio receives analog signals from a navigation unit and digitizes the analog signals to produce digital navigation signals. The digital nav... | 06/01/1999 |
| 5712785 | Aircraft landing determination apparatus and method An aircraft landing determination apparatus and method for determining landing status of an aircraft by tracking arriving aircrafts and providing a unique runway assignment therefor. The aircraft landing determination apparatus includes a target processor... | 01/27/1998 |
| 5689273 | Aircraft surface navigation system A surface guidance system for guiding aircraft equipped with Instrument Landing Systems along taxiways which utilizes two inductive loops (14,16) installed around the right half and the left half of the taxiways. Audio amplifiers (18,20) drive one loop (1... | 11/18/1997 |
| 5608393 | Differential ground station repeater A differential ground station repeater in which a plurality of transmitters are utilized to relay information to an aircraft from a single ground station situated to receive satellite information and to transmit the satellite and other information to the ... | 03/04/1997 |
| 5523949 | Method and apparatus for an improved autopilot system providing for late runway change An improvement to an autopilot flight director system allows the flight crew to make a late runway change without disengaging the autopilot. The improved system allows a transition to a new runway assignment if radio altitude is greater than 1500 feet. Co... | 06/04/1996 |
| 5483245 | ILS signal analysis device and method The invention relates to an instrument landing system (ILS) signal analysis device including an analog/digital converter receiving the composite signal to be analyzed and delivering a succession of values which can be processed in digital form, the signal... | 01/09/1996 |
| 5323332 | Instrument landing system calibrator The Instrument Landing System Calibrator employs a combined analog radio frequency downconverter with a digital control system for analysis of difference in depth of modulation of tones generated by an instrument landing system localizer and glide slope t... | 06/21/1994 |
| 5050086 | Aircraft lateral-directional control system An aircraft's horizontal flight path and sideslip angle is controlled in a system having a roll control loop and a yaw control loop. An incremental aileron position command signal is generated in the roll control loop as a function of the sum of a yaw rat... | 09/17/1991 |
| 4823127 | Automatic, real-time fault monitor verifying network in a microwave landing system The fault monitoring function of an executive monitor contained in a microwave landing system is verified by evaluating a history of the parametric information sampled by an executive monitor and storing in memory the number of out of tolerance parametric... | 04/18/1989 |
| 4792904 | Computerized flight inspection system A computerized flight inspection system is disclosed. The system of the present invention may be utilized to generate an accurate reference location with respect to an airport runway for an aircraft having an inertial navigation system. A selected geometr... | 12/20/1988 |
| 4647926 | Warning system for microwave landing system airborne receiver A system to provide warning whenever unreliable data is being received by an airborne receiver for a microwave landing system. The received data is tested against certain criteria to determine validity. The received data is also tested to determine whethe... | 03/03/1987 |
| 4623892 | Dynamic limiter for MLS receiver Received scanning signals radiated by a MLS ground system are used to determine and evaluate the approach angle of the aircraft. The difference between the angle for a particular scanning signal and the angle for a previous scanning signal is compared to ... | 11/18/1986 |
| 4534000 | Inertial flight director system The disclosed apparatus is useful in controlling an aircraft inertial flight path on the final approach to landing to coincide with a desired flight path represented by the intersection of the localizer and glide path electronic beam signals, and there be... | 08/06/1985 |
| 4533999 | Aircraft roll steering command system Aircraft roll command signals are generated as a function of the Microwave Landing System based azimuth, groundtrack, groundspeed and azimuth rate or range distance input parameters. On initial approach, roll command signals are inhibited until a minimum ... | 08/06/1985 |
| 4442490 | Aircraft pitch stabilization apparatus An automatic aircraft pitch axis flight stabilization system which does not require the use of a gyroscope is described. Stability signals are derived from an altitude signal responsive to atmospheric pressure. Means responsive to rate of change of altitu... | 04/10/1984 |
