Browse Topic: Flight deck controls

Items (64)
This document considers the cooling of equipment installed in equipment centers, which usually consist of rack-mounted equipment and panel mounted equipment in the flight deck. Instances where these two locations result in different requirements are identified. This document generally refers to the cooled equipment as E/E equipment, denoting that both electrical and electronic equipment is considered, or as an E/E equipment line-replaceable-unit (LRU). The majority of cooled equipment takes the form of LRUs. The primary focus of this document is E/E equipment which uses forced air cooling to keep the equipment within acceptable environmental limits. These limits ensure the equipment operates reliably and within acceptable tolerances. Cooling may be supplied internally or externally to the E/E equipment case. Some E/E equipment is cooled solely by natural convection, conduction, and radiation to the surrounding environment. This document discusses specification requirements, system design considerations, component design, and system testing. It also discusses the analysis and test considerations for the thermal design of the avionic equipment. The discussion of supplementary cooling systems includes consideration of a refrigeration system. This document just covers air cooling of equipment. AIR1811 should be consulted for information on liquid cooling of equipment. Although this document is targeted at transport category airplanes, most of the material applies to other classes of aircraft with possible adaptions.
AC-9 Aircraft Environmental Systems Committee
A recommended pilot-system integration (i.e., crew interface and system integration) approach for concept development is described in Figure 1. The approach emphasizes the fundamental need for a top-down design methodology with particular focus on clear operational performance requirements and functional integration. While this document is primarily aimed at aircraft systems design and integration, the methodology is applicable to a wide range of design and integration situations. It is derived from well established human factors engineering design principles.
G-10 Executive Advisory Group
The recommended design approach is described in Figure 1. The approach emphasizes the fundamental relationship between symbols, the information they encode, the context within which the symbols are displayed, and the tasks being supported. While this document is aimed at aircraft displays involving dynamic control or monitoring tasks, the methodology is applicable to a wide range of symbology development situations.
G-10 Executive Advisory Group
These recommendations cover the mechanical and electrical installation and installation test procedures for automatic pilots of the type normally used in transport type aircraft. The material in this ARP does not supercede any airworthiness requirement in the Civil Air Regulations.
A-4 Aircraft Instruments Committee
This document recommends design and performance criteria for aircraft lighting systems used to illuminate flight deck controls, luminous visual displays used for transfer of information, and flight deck background and instrument surfaces that form the flight deck visual environment. This document is for commercial transport aircraft except for applications requiring night vision compatibility.
A-20A Crew Station Lighting Committee
This Aerospace Recommended Practice recommends general criteria for the development and installation of an aircraft emergency signal system to permit any crew member (flight or cabin) to inform all other crew members that an emergency evacuation situation exists and that an evacuation has been or should be immediately started.
S-9B Cabin Interiors and Furnishings Committee
Human Interface Criteria for Terrain Separation Assurance Display TechnologyARP5108A (Current)6/11/2012
This document sets forth design and operational recommendations concerning the human factors issues and criteria for airborne terrain separation assurance systems. The visual and aural characteristics are covered for both the alerting components and terrain depiction/situation components. The display system may contain any one or a combination of these components. Although the system functionality assumed for this document exemplifies commercial aircraft implementation, the recommendations do not exclude other fixed wing aircraft types. Because of their unique operations with respect to terrain, rotorcraft will be addressed in a separate document. The assumptions about the system that guided and bounded the recommendations included: the system will have a human centered design based on the "lessons learned" from past systems; the system is not intended to replace the Ground Proximity Warning System (GPWS) function; the system is an on-board system that is not dependent on ground systems (except possibly navigation sensors) for operation; the system is intended to be used for terrain separation rather than navigation; there will be pilot in the loop/manual involvement in any flight path changes; information will be accessible by all flight crew members; the system will be based on the English language, but other languages may have to be considered; the system will address all fixed wing airplane types; the system will be operational full time in all flight phases; and the system will meet harmonized certification requirements.
G-10 Aerospace Behavioral Engineering Technology
This document considers the cooling of equipment installed in equipment centers, which usually consist of rack-mounted equipment and panel mounted equipment in the flight deck. In instances where these two locations result in different requirements, these are identified. For purposes of this document, the cooled equipment is referred to generally as E/E equipment, denoting that both electrical and electronic equipment is considered, or as an E/E equipment line-replaceable-unit (LRU). The majority of cooled equipment takes the form of LRUs. This document primarily relates to E/E equipment which is designed to use forced air cooling in order to maintain the equipment within acceptable environmental limits, in order to maintain equipment operating performance (within acceptable tolerances), and to maintain reliability. Cooling may be applied internally or externally to the case of the item of E/E equipment. There are also E/E equipment items which are cooled by natural convection, conduction, and radiation to the surrounding environment. Specification requirements, system design considerations, component design, and system testing are described. Also described are the analysis and test considerations for the thermal design of the avionic equipment. The discussion of supplementary cooling systems includes consideration of a refrigeration system.
AC-9 Aircraft Environmental Systems Committee
These recommendations cover the mechanical and electrical installation and installation test procedures for automatic pilots of the type normally used in transport type aircraft. The material in this ARP does not supercede any airworthiness requirement in the Civil Air Regulations.
A-4 Aircraft Instruments Committee
Human Interface Criteria for Terrain Separation Assurance Display TechnologyARP5108 (Historical)8/14/2006
This document sets forth design and operational recommendations concerning the human factors issues and criteria for airborne terrain separation assurance systems. The visual and aural characteristics are covered for both the alerting components and terrain depiction/situation components. The display system may contain any one or a combination of these components. Although the system functionality assumed for this document exemplifies commercial aircraft implementation, the recommendations do not exclude other fixed wing aircraft types. Because of their unique operations with respect to terrain, rotorcraft will be addressed in a separate document. The assumptions about the system that guided and bounded the recommendations included: the system will have a human centered design based on the "lessons learned" from past systems; the system is not intended to replace the Ground Proximity Warning System (GPWS) function; the system is an on-board system that is not dependent on ground systems (except possibly navigation sensors) for operation; the system is intended to be used for terrain separation rather than navigation; there will be pilot in the loop/manual involvement in any flight path changes; information will be accessible by all flight crew members; the system will be based on the English language, but other languages may have to be considered; the system will address all fixed wing airplane types; the system will be operational full time in all flight phases; and the system will meet harmonized certification requirements.
G-10 Aerospace Behavioral Engineering Technology
FTE and Pilot Workload Comparison of Perspective Flight Guidance Displays to Conventional Flight Director Symbology in Instrument Approach Applications2001-01-29929/11/2001
Perspective Flightpath Guidance (PFG) Current requirements for precision air navigation are no longer in nautical miles, but tenths of miles as reflected in the RNP3 (Required Navigation Performance) or Required Navigation Performance (desired flight path) of .3 NM (± .n nmi). Flight director guidance for critical maneuvers (those maneuvers with very small or reduced margins for error) is essential for precision navigation requirements. Current generations of guidance symbology (Delta-Veebar and Two-bar) work well, but are limited in their ability to display future flight path information to the pilot and/or the results of pilot control input. Both display symbology sets are designed to follow command guidance from an off-course situation to return to a nominal (null error) solution, known as a compensatory tracking task. As stated in O’Hare, D, & Roscoe, S., 1990, increasingly such displays cause much “mental gymnastics” cognitive processing and pilot mental workload, often leading to additional error and total loss of situational control, resulting in full scale deflection, that is, maximum deviation mandating a missed approach. In order to reduce tracking errors and pilot workload, one must provide the pilot with increased situational awareness of the aircraft’s relation to the desired flight path, the flight path itself or track, and the actual aircraft performance (flight path vector) as well as the desired/commanded and predicted aircraft performance. The use of a perspective flight guidance displays with a predictive flight path/performance symbology set provides that increased situational awareness. Flight path vector-based (FPV) Perspective Flightpath Guidance (PFG) provides pilots with an intuitive symbology set which enables the execution of steep precision instrument approaches using a high resolution 2D or 3D-like database in near zero visibility. PFG technology utilizes differential GPS (dGPS) for precision waypoint geolocation, combined with a “quickened” predictive flight-path-vector and “tunnel-in-the-sky” pathway guidance to develop an affordable, intuitive, rotorcraft/tiltrotor instrument approach guidance symbology system. Effectively designed and implemented, PFG is capable of replacing traditional, workload-intensive, Two-bar and Delta-Veebar flight director terminal approach guidance while providing smaller flight technical error and reduced plot workload.
Wilkins, Robert Ryan
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