Topic
Runway visual range
About: Runway visual range is a research topic. Over the lifetime, 179 publications have been published within this topic receiving 1844 citations. The topic is also known as: RVR.
Papers published on a yearly basis
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Papers
Patent•
6 Aug 1987
TL;DR: In this paper, a real-time takeoff and landing performance monitoring system for an aircraft is presented, which provides a pilot with graphic and metric information to assist in decisions related to achieving rotation speed within the safe zone of a runway, or stopping the aircraft on the runway after landing or take-off abort.
Abstract: The invention is a real-time takeoff and landing performance monitoring system for an aircraft which provides a pilot with graphic and metric information to assist in decisions related to achieving rotation speed (VR) within the safe zone of a runway, or stopping the aircraft on the runway after landing or take-off abort. The system processes information in two segments: a pretakeoff segment and a real-time segment. One-time inputs of ambient conditions and airplane configuration information are used in the pretakeoff segment to generate scheduled performance data. The real-time segment uses the scheduled performance data, runway length data and transducer measured parameters to monitor the performance of the airplane throughout the takeoff roll. Airplane acceleration and engine-performance anomalies are detected and annunciated. A novel and important feature of this segment is that it updates the estimated runway rolling friction coefficient. Airplane performance predictions also reflect changes in head wind occurring as the takeoff roll progresses. The system provides a head-down display and a head-up display. The head-up display is projected onto a partially reflective transparent surface through which the pilot views the runway. By comparing the present performance of the airplane with a continually predicted nominal performance based upon given conditions, performance deficiencies are detected by the system and conveyed to pilot in form of both elemental information and integrated information.
157 citations
Patent•
8 Apr 1980
TL;DR: A landing display system for indicating to the pilot of an aircraft the relationship between his aircraft and a landing runway includes an aircraft symbol providing attitude information with respect to a reference horizon, a velocity vector indicative of the projected flight path of the aircraft, a descent profile vector indicative, and a runway symbol in perspective to the aircraft as discussed by the authors.
Abstract: A landing display system for indicating to the pilot of an aircraft the relationship between his aircraft and a landing runway includes an aircraft symbol providing attitude information with respect to a reference horizon, a velocity vector indicative of the projected flight path of the aircraft, a descent profile vector indicative of the projected descent path of the aircraft, and a runway symbol in perspective to the aircraft. By reference to these displays the pilot can ascertain not only the present position of his aircraft with respect to the runway, but also the consequences of various corrective maneuvers accomplished with the aircraft.
108 citations
Patent•
2 Jun 1977
TL;DR: In this article, a system for monitoring performance of an aircraft during ground-related operating condition, such as take-off and landing, to predict whether the aircraft can safely complete the operation is presented.
Abstract: System for monitoring performance of an aircraft during ground-related operating condition, such as take-off and landing, to predict whether the aircraft can safely complete the operation. The performance of various known types of aircraft is predicted as a function of the distance which the aircraft has traveled along a runway. The actual progress of a known type of aircraft along a runway is then monitored to determine the actual velocity and position of the aircraft. Using the performance model for the known aircraft type, the remaining distance required for the aircraft to accomplish a particular operation, such as to reach take-off velocity or to decelerate to a stop, is predicted. The predicted distance is compared with the actual runway distance remaining for the aircraft to travel, and an alarm signal condition is generated if the actual remaining distance is less than the predicted required distance. The comparison is also made between the measured velocity of an aircraft moving along the runway and the predicted velocity which that type of aircraft should have attained, at various locations along the length of the runway. A warning signal is generated if the actual velocity is unacceptably different from predicted. The present system also predicts safe abort points conditions. Runway/taxiway intersection monitoring and control is also provided.
81 citations
Patent•
20 May 2002
TL;DR: In this article, a Surface Movement Area/Runway Traffic and Surface Area Flow Tool with Runway Incursion Protection System (SMART Board surface displays are used to provide route guidance instructions to aircraft at ramp and taxiway intersections, confirm to for pilots that their aircraft is at the correct location and is in the assigned queue and sequence before entering active runways, visual confirmation of runway clearances to aircraft and vehicles at all runway entrances, and lessening frequency congestion on Ground and Local communications channels.
Abstract: A Surface Movement Area/Runway Traffic and Surface Area Flow Tool with Runway Incursion Protection System reduces runway incursions due to lost or disoriented aircraft, navigation in low visibility conditions, unfamiliarity with local procedures and airport layouts, and truncated or misunderstood clearances or other frequency congestion related communication and workload problems. SMART Board surface displays are used to provide route guidance instructions to aircraft at ramp and taxiway intersections, confirm to for pilots that their aircraft is at the correct location and is in the assigned queue and sequence before entering active runways, visual confirmation of runway clearances to aircraft and vehicles at all runway entrances, and lessening frequency congestion on Ground and Local communications channels. The system includes an Electronic Flight Data System to generate messages. Sensors and a wireless LAN are used to provide data from the system to all aircraft and vehicles on the surface movement area of an airport.
81 citations
Patent•
31 Jul 2003TL;DR: In this paper, an airborne radar system consisting of a radar antenna, radar circuitry coupled to the radar antenna and a runway database comprising runway location information is described, which is used to determine whether there are any obstacles on the runway.
Abstract: An airborne radar system is disclosed. The airborne radar system comprises a radar antenna, radar circuitry coupled to the radar antenna, and a runway database comprising runway location information. The airborne radar system also comprises a processing device retrieving from the runway database, runway location information for a runway being approached by an aircraft, based on the location of the aircraft, and directing a radar beam defined by a polygon which represents the runway and which is derived from the runway information, the processing device determining whether there are any obstacles on the runway.
78 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
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| 2021 | 1 |
| 2019 | 1 |
| 2018 | 3 |
| 2017 | 5 |
| 2016 | 5 |
| 2015 | 5 |