The lateral deviation of the FPV provides a visual indication of drift caused by the crosswind, while the vertical deviation shows the aircraft's attitude or pitch. The data received by the FPV is derived mostly from the Internal Reference System (IRS) of the aircraft therefore, the Flight Path Vector provides an almost instantaneous display of flight path angle and drift information.įor example, if an aircraft took off in a 15 Knot crosswind the Flight Director (FD) bar would register the pitch of the aircraft while the circular FPV would be located above the horizon and to the right or left. If you were stationary on the ground, the circle would be on the horizon line and centered in the display. The circular symbol represents the aircraft's axis in relation to the vertical and lateral movement referenced to the Earth's surface. The FPV is a small circular symbol which, when the FPV button on the EFIS is depressed, superimposes over the Attitude Indicator (AI) part of the Primary Flight Display (PFD). What is the Flight Path Vector and What Does it Do - The Basics EFIS unit produced by CP Flight (Pro model). LEFT: FPV button located on the Electronic Flight Instrument System (EFIS) unit on the Captain and First Officer side. Pressing the button doesn’t do anything grand or remotely obvious, unless you are observant and note that an oddly shaped circle with lines has instantly appeared on the Primary Flight Display (PFD). I often get asked what the FPV button does on the EFIS unit. Please consider sending a few dollars ( Thank You.) ![]() All funds donated will be used to offset the cost of server and website hosting. Maintaining this website costs a considerable sum of money each year. The definition of the acronym OEM is Original Equipment Manufacturer ( aka real aicraft part). ![]() I use the words 'modules & panels' and 'CDU & FMC' interchangeably. Do not complain if you do not like what you read. ![]() All reviews and content are 'frank and fearless' - I tell it as I see it. Note: I have NO affiliation with ANY manufacturer or reseller. I hope there are not too many spelling and grammatical mistakes.Īrticles are updated from time to time as procedures and information change. Writing for a cross section of readers from differing cultures and languages with varying degrees of technical ability, can at times be challenging. On the other hand, short-chain organics present the lowest ISOAR.The purpose of FLAPS-2-APPROACH is two-fold: To document the construction of a Boeing 737 flight simulator, and to act as a platform to share aviation-related articles pertaining to the Boeing 737 thereby, providing a source of inspiration and reference to like-minded individuals. Results indicate that long-chain alkanes present the highest ISOAR. Modeled data are compared with ISOAR values calculated using smog chamber data. In addition, ISOAR values are reported at individual locations within the SoCAB. This work presents basin-wide ISOAR values determined through regression analysis. ISOAR values are calculated for the lumped surrogate compounds considered by CACM: isoprene, low-yield monoterpenes, high-yield monoterpenes, high-yield aromatics, etc. The South Coast Air Quality Management District of California provided emission and meteorological data. The base case SOA concentrations are derived for September 9, 1993. ![]() The California Institute of Technology three-dimensional air quality model is used in conjunction with the Caltech Atmospheric Chemistry Mechanism (CACM) and the Model to Predict the Multiphase Partitioning of Organics to calculate spatially and temporally averaged ISOAR values for the South Coast Air Basin of California (SoCAB). The incremental secondary organic aerosol reactivity (ISOAR) of a species j is defined as the relative incremental change in secondary organic aerosol (SOA) formed per relative incremental change in the amount of species jemitted.
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