Matches 51 - 75 out of 75 < 1 2
Match Document Document Title
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...
5574647 Apparatus and method for computing wind-sensitive optimum altitude steps in a flight management system  
An apparatus and method for determining the best legal flight altitudes, and the best points at which to change to a new legal flight altitude, such that the cost of the flight is minimized, but...
5457630 System for onboard lift analysis and apparatus therefor  
A method and apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift...
5406487 Aircraft altitude approach control device  
An improved aircraft altitude approach control device is characterized by both visible and audible indications of changes in the aircraft altitude as the aircraft descends to a landing. A...
5377937 Aircraft flare control system utilizing an envelope limiter  
An aircraft autoland flare control system which augments the autopilot's aircraft flare control commands in the event the aircraft exceeds defined flare envelopes, monitors aircraft longitudinal...
5337982 Apparatus and method for controlling the vertical profile of an aircraft  
In an aircraft, there is included a Flight Management System (FMS), Autopilot and Autothrottle for controlling the aircraft. The apparatus has a plurality of outputs for definition of the real-time...
5295085 Pressure measurement device with selective pressure threshold crossings accumulator  
A pressure measurement device with a selective altitude threshold crossings accumulator and method therefor provides for selective accumulation of relative pressure thresholds. A pressure sensor...
5141177 Model following control system  
An aircraft flight control system including model following control laws includes improved logic and algorithms to limit the error between a desired parameter value from the output of a model and...
4956780 Flight path angle command flight control system for landing flare  
This invention provides a flare control modification for pilot-in-the-loop aircraft maneuver command electronic flight control systems. During flare pilot pitch control inputs are interpreted as...
4939513 System for alerting a pilot of a dangerous flight profile during low level maneuvering  
A system that warns the pilot of an aircraft performing low level maneuvers of a dangerous flight profile monitors the altitude of the aircraft above ground, and provides a first specific warning...
4642774 Automatic flight control with pilot fly-through  
A system and technique is disclosed which enables an aircraft to naturally respond to pilot inputs during automatic flight control of aircraft attitude or course and to smoothly return to that...
4564908 Automatic limiting of helicopter engine torque  
A torque limiting altitude hold system for a helicopter engages torque limiting (56, 203) when excessive torque is anticipated (138, 202) as determined by the summation of present torque and torque...
4538230 Method and apparatus for controlling altitude  
The invention provides a vertical velocity signal and an integration signal, respectively, of two detected ambient conditions. The signals are summed, in a selectable ratio, and compared with a...
4490794 Altitude preselect system for aircraft without air data computer  
An altitude preselect apparatus for use with or incorporation into an automatic flight control system combines the incremental altitude signal from a pneumatic encoding altimeter with a vertical...
4477876 Dual response aircraft reference synchronization  
In an aircraft automatic flight control system having a reference parameter synchronizing system (70) operable in response to a trim release switch (44), an initial trim release period (139), on...
4355294 Altitude alert system  
A system for providing a digital display of aircraft altitude, a selected altitude which it is desired the aircraft to assume and when the selected altitude is achieved, an audio and visual...
4224669 Minimum safe altitude monitoring, indication and warning system  
A geographically referenced minimum safe altitude monitoring, indication and warning system involving use of a navigation computer in conjunction with a memory device storing predetermined minimum...
4129275 Automatic flight control apparatus for aircraft  
An automatic flight control apparatus for aircraft having the desired attitude of the aircraft in a balanced relation to the action speed of the aircraft and utilizing this reference signal to...
4114842 Acceleration limited preselect altitude capture and control  
The altitude acquisition and control system cooperates in an aircraft flight controller for permitting a previously selected altitude to be quickly captured without excessive acceleration of the...
4094480 Aircraft altitude hold system  
Aircraft altitude is maintained through control surfaces responsive to an altitude hold control voltage varying with the output of a pressure transducer. The pressure transducer provides an output...
4021009 Vertical path control for aircraft area navigation system  
In the vertical path control of an area navigation system when the aircraft ascends or descends to a waypoint with an "at-or-above" or "at-or-below" altitude requirement, vertical steering is...
3815850 CRAB ANGLE REFERENCE SIGNAL DEVELOPMENT FOR LIMITED FORWARD SLIP LANDING MANEUVER  
A signal processing apparatus for developing a yaw command signal as might be advantageously employed in effecting decrab prior to touchdown. The signal is formulated from utlizing course datum...
3680046 ALERTING SYSTEM  
An aircraft cockpit display system for indicating whether the aircraft is ove, below, within or adjacent to a preset altitude corridor. The binary coded decimal output of an altitude reporting...
3624366 VERTICAL FLIGHT PATH ERROR ALTIMETER  
A vertical flight path error indicating system is disclosed for presenting an easily interpretable indication of vertical flight path error to show the direction and degree of the error and the...
3460013 SELF-ADAPTIVE CONTROL SYSTEM  
Matches 51 - 75 out of 75 < 1 2