![]() RNAV is is an acronym for Area Navigation (a Rea NAVigation). I will also touch on the concept of Performance Based Navigation (PBN). Rather, this post will be a ‘grass-roots’ introduction to the concept of RNAV, RNP, LNAV and VNAV. This post will not provide an in-depth review of these systems such a review would be lengthy, confusing and counterproductive to a new virtual flyer. LEFT: Collins Mode Control Panel (MCP) showing illuminated LNAV annunciation (click to enlarge). New flyers to the Boeing 737NG often become confused understanding the various terminology used with modern on-board navigational systems.Īlthough the concepts are easy to understand, the inter-relationship between systems can become blurred when the various types of approaches and departures are incorporated into the navigational system. 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. ![]() It is a guidance system to place the plane and crew close enough to the runway so they can earn their pay.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. ![]() ![]() Remember: an ILS is not an autoland system and the transmitter is not on (nor, sometimes, anywhere near, the runway). The 02C runway is visible - as is the approach lighting system - long before the DH is reached. This is not a Category Landing (I, II or III) so we will hand-fly the B744 to touchdown. The IAP plate is included in the briefing. The Decision Height (DH) for the ILS DME Rwy02C at WSSS is 215' for this mission. Presuming you do all the other good stuff your B744 should pick up the LOC and turn inbound to 023 and once "in the slot" (that's pilot talk for having intercepted both the LOC and the Glidepath) just ride her down to about 400' AGL and uncouple the autopilot. The latter - by design - must have been selected or the HSI needles will not pick up any ILS activity, Of course, there are two (2) NAV switches on FS panels: The one on the radio (to which I refer) and the other switches from GPS to NAV. APP is engaged BEFORE the LOC or the ILS is reached. Yes, I have the big, green check-mark to prove it.įrom reading your initial post where you clicked NAV when heading 050 to intercept, you should have selected APP at this point. I've flown the FSX Monsoon Mission, Java, and have a realworld instruemnt rating so hope I can help. I will try if there is (are) any other mission(s) need to use ILS And I am new in FSX, I still don't know how to prepare a flight plan and land with ILS in "free flight". Thanks a lot mate, you are so informative. Check the VASI's they should agree with your ILS indication if not go with the VASI indication ie land manually. If you are above 50ft at screen height then kill the AP and land manually. There are some airports in the sim that have ILS set incorrectly so that one flies too deep into the rwy leaving not much stopping distance. Most a/c aim to be at screen height at about 135kts.Presumably you are set to use IAS and not TAS. Ummm There is something very wrong with your approach!!!!! Only Concorde was able to touch down at 190kts. Now I decent with airspeed 185 knots, and just right ahead the runway, increase to 195knots, it lands safely. Because I just followed the co-pilot (he told me to slow down to 160knots)
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