737 descent planning Jul 13, 2007 · 737 descent planning. I am flying liners, mostly pmdg 737, 738. Until the spinner on the CFM was redesigned with little vanes on it to redistribute the water, Boeing had advised pilots to keep the throttle settings on the high side when coming down through clouds in an official communique, where they suggested a minimum I’m struggling with descent planning in the 737NG. The FMS takes into account any descent speed schedule, altitude restraints and forecast use of anti-ice. However there is nothing wrong with calling it early. 11,000 feet - 1,000 feet = 10,000 10,000 x 3 = 30 . May 20, 2018 · The aircraft will start a descent at 1000ft per minute until it intercepts the VNAV descent path. For your reference, you can see the distances required for an idle descent (. Should the aircraft level off temporarily when the altitude has been reached, or calculate a rate of descent for a smooth loss of altitude, so as to hit each waypoint's ca There's always confusion about "when to start your descent" in order to touchdown perfectly at the runway. Common rule seems to Aug 7, 2018 · Martinlest wrote:Thanks. PMDG 737 NGX – Descent Management and High Energy Approach TutorialEver wanted to know how Boeing 737-800 pilots deal with shortcuts and being held high by A Please be advised that the information shared in this video and this channel is intended for training purposes only. • VNAV PTH descent • autothrottle holds idle but can command FMC SPD mode if ground speed becomes too low to maintain FMC vertical path • AFDS tracks FMC descent path. So, a jet going 250 knots over the ground will need to descent at 1250 feet per minute to maintain a steady 3-degree path (250 x 5 = 1250 fpm). If you are allowed to change the descent speed do so, you might not need to dive at all. . descentmanagement. How can you program your FMC to still get Here is my next video in the 737 tutorial series. [Archive] Descent planning tips 737 Tech Log. If, during that descent you press the ALT INTV button after already pressing it to start said descent, you’ll inadvertently start to delete altitude restrictions. Lets' stick to an 'ideal world' for the sake of this topic! My aircraft seem to ignore the altitudes given for each waypoint (on climb and descent) though. You’ll reset the behavior of the ALT INTV button for the next descent. Flaps are generally not used on the 737–800 for the purpose of increasing the descent rate during the descent or approach phases of flight. Common rule seems to be: ALT x3 = Distance needed for Altitude Loss. As in my airline we carry out many visual approaches, I am seeking information on the descent angle of the 737-800 for different configurations. 42. Born in the year that Boeing decided to make the 737, more than 20 years experience as a Line Training Captain and having flown all generations of it, Eric knows the airplane inside out. 737-700. We made it a game to leave FL350 at idle, hit 30 NM at 250k and spool up at 1,000 ft. By planning ahead, you can avoid unnecessary altitude adjustments and improve your overall fuel efficiency. It covers topics like takeoff speeds, climb procedures without the FMC, cruise information like maximum altitudes and fuel calculations, descent planning speeds, approach and landing procedures including for engine failures, and general performance information. Here is my next video in the 737 This tool helps you achieve a controlled descent while considering air traffic control instructions and potential weather changes along your route. Dec 19, 2002 · Tech Log - B737 NG Descent profiles - Howdy all. It’s difficult. In all cases, do not modify the final approach (FAF to runway or MAP), including altitude constraints Here’s a picture of one of my students that I briefed with “great motivation” on descent and energymanagement during a long cruise flight…J. This page is part of the Flight Management Computer (FMC) system, which is responsible for aiding pilots in various aspects of flight planning and navigation. You are on the right track. . Every situation is different. A commercial aircraft will typically descend at between 1,500 and 3,000 feet per minute. Oct 10, 2020 · Tech Log - Descent planning tips 737 - Hi, I’m struggling with descent planning in the 737NG. Learn how to plan your descent in Infinite Flight. In other words, the angle between the flight path and the ground. Descent Follow-Up Idle descent allow 3nm/1000' Approach Profile Planning. Therefore, top of The Boeing 737-800W has a idle descent ratio of about 1:20, which means that at 250 knots you're only going to be descending about 1200fpm -- the 737-800 (especially with winglets) is a very slick bird. Lastly, in a normal approach scenario, for a 737, you can take flaps 1 at 10nm out from the runway. Hi Tadex, yup your quite right the weight matters and that affects the rate of descent ! The lighter they are the faster the rate of descent. The traditional way (For other Jetliners) won't ap Aug 6, 2018 · The basic rule of thumb for descent is height times 3 equals miles out to commence descent. You can find the reference for this on page 11. May 14, 2010 · This was one of a number of flame out incidents on the 737 in the late 80s and early 90s. Normal descents are made in the clean configuration to pattern or Initial Approach Point (IAP) altitude. At the moment, I descend the aircraft using a variety of Sep 2, 2021 · For those of you who are unsure how far away from destination you should commence your descent, here is a handy little rule of thumb that we use in real world flying: Height to lose x 3 = distance required Example 1: Cruising at 11,000 feet AMSL. Pilots must consider a variety of factors, including terrain, weather, airspace constraints, and aircraft performance, to ensure a smooth and safe descent. com/channel/UCJku5jC23Y0MkmPqU7CZhog/joinIf you like my videos please consider supporting my channel:https://www. • Predict aircraft behaviour before descent and in an actual descent. If 'VNAV' is Jan 10, 2025 · Descent planning is a critical yet often overlooked aspect of managing your flight. com 29 Chapter 9: Descent-Guide Summary (Small characters to fit on one printable page) Rules of thumb vs Descent-Planning & Follow-Up: (Chapter 2) Basic Rule of Thumb How can I mitigate a shortcut in the FMC? How can I react to a direct to?Hi! Welcome back to my Boeing 737 instructional videos! In this video we will discus Jan 22, 2019 · Descent Path The FMS generates what is called a FMS path descent, this is the most economical descent method. Boeing 737 Tips JF CLAES 2006 Descent Planning 3 Nm / 1000 ft Speed Target 10 000 ft, 250 kts at 30 Nm Flaps Up maneuvring at 12 Nm for Straight In Flaps Up maneuvring at 8 Nm Out for Abeam Deceleration 25" - 2 Nm from 280 to 250 kts in Level 25" - 3 Nm from 250 to 210 kts in Level Holding Minimum fuel is Flaps Up maneuvring Speed Feb 26, 2006 · Just upgraded from PMDG B737-700 to B737-800. that creates way more drag and you are already configured and slow. If any pilot is perfectly honest, it all comes with both experience and practice. All this on 22 interactive simulations "We chose to team up with The 737 Handbook as it is a fantastic learning tool to support our students through their simulator training" Nov 2, 2017 · Descent Planning 1/3 I fly the pmdg 737-800 and the flight computer can estimate the top of descent for the route you are planning (I use SimBrief and Navigraph for planning). buymeaco [Archive] 737 descent planning Tech Log. • automatic level-off occurs at MCP altitude or VNAV altitude, whichever is May 17, 2010 · Descent planning in the 738 is no different. Top of descent calculator based on rules of thumb. Therefore to arrive at FL250 at a specific fix will require a TOD 30nm before that fix. For the 737-200 at max landing weight use three times the height in DME plus 15 miles for top for descent and use o. 70 into 280 knots until 10,000 ft. Feb 28, 2013 · Tech Log - 737-800 descent angle in different configurations - I will soon be converting onto the 737-800, having flown the 757/767 for many years. In this tutorial we will leave cruise level and Hi all, I'm a PMDG tech team member and real life 737 pilot. and still slightly high you may also go for flaps 1/2/5 keeping the speed at around 210/220. The larger the angle, the steeper the descent, and the higher the rate of descent. The EFB Descent Calculator is an application designed for Microsoft Flight Simulator 2024s built-in Electronic Flight Bag (EFB), primarily aimed at enhancing descent planning for airliners while also suitable for What speed and configuration do you use when descending abeam the field? If say, you're passing over SMO (abeam LAX) at 7,000', and you don't know your This document provides tips and information for operating the Boeing 737. But a small aircraft going 90 knots only needs to descend at 450 fpm to maintain this path. Jun 1, 2020 · This video shows how to manage the descent in case the aircraft is above the path calculated by the FMC. Oct 16, 2021 · A three-degree glideslope refers to the angle of descent an aircraft will use. to/32TH4x7 📗📗📗📸 INSTAGRAM FLYWITHCAPTAINJOE: https://goo. Understanding the intricacies of the descent profile ensures a safe and efficient landing. If our ground speed is 120 knots, we will travel about 30 miles in 15 minutes. From the 737 FCTM: "Normally, descend with idle thrust and in clean configuration (no speedbrakes)the speed brake may be used to correct the descent profile if arriving too high or too fastplan the descent to arrive at traffic pattern altitude at flaps up manaoevering speed approximately 12 miles from the runwaylosing airspeed can be difficult and may require a level flight segment. Understandably this plethora of approaches to descent planning and energy management may be leaving you scratching your head. I am facing issues to perform the descent. Descent Planning Learn with flashcards, games, and more — for free. A few rules of thumb make this task much easier and can be done quickly Sep 25, 2008 · Tech Log - Descent Planning/Profile Awareness: 737NG - Hi guys, I'm sure this question has been asked before, however I'm looking for answers from those flying the varients of the NG if possible (although I'm certain that methods used on other types are similar). Infinite Flight User Guide. When training new pilots, understanding descent planning is crucial. Therfore if cruising at 30,000 ft and you wish to pick up the ILS at 10 miles from the airport at 2000 ft your descent is 28,000 ft, so multiply 28 times three, equals 84 miles DME and you wish to be at 2000 ft 10 DME from the airport for the ILS, so add 10 to your miles, equals 94 miles DME. A standard looking profile for the 738 would be your ECON Mach no. It shows two different scenarios: the first one with Nov 15, 2020 · Descent – • VNAV SPD descent • autothrottle holds idle • AFDS holds FMC target speed. 78/280/250), plus allowances for a straight-in approach: Dec 15, 2018 · Do you want to understand how the AutoPilot descends the aircraft, which modes are used and why they are use, during LVL CHG descent?Have a look, and Like :) Episode 3 of my PMDG Boeing 737 tutorial series for Microsoft Flight Simulator, showing how to prepare for descent and ILS approach along with how to initiat To be honest, VNAV on the 737 is excellent when it comes to descent management, and provided you have inserted accurate data, keep your lateral path up to date with what you will actually fly in the end and you have a good understanding of how FMC constructs the descent path from the runway (or E/D point) upwards - it will generally do a very Most of the time in the US flying the 737-200 we were required to be at 30 NM at 10,000 and 250 knots so we aimed for that point plus seven miles for slow down. ly/474j06T 📗📗📗GET MY NEW BOOK https://amzn. I am confortable with the instruments, I can prepare a flight, and do most of the basic stuff to take off, climb, and cruise. Enter your start, end altitudes, speeds, glide slope or vertical speed, and calculate TOD Descent Planning and Energy Management are two areas which are difficult to master and take the longest for new pilots to learn. CRZ FL, the flight crew must select the DES mode only after the aircraft reaches the position of the altitude constraint to prevent an early descent. 737-300. Landing airfield elevation is 700 feet (rounded up 1000 feet for easy maths). And if not planned properly, a poorly executed descent can present challenges and unnecessary risks when transitioning to an approach or the traffic pattern. We've put together a collection of help documents for Infinite Flight pilots, and ATC to help you get flying or controlling. On my aircraft 737-200 with 50 pax or less she will come down at a greater rate of descent so basically you might find it reasonable to cut down on the distance needed for speed loss to configure for the approach or you may find yourself way out and low. So, I would begin the descent about 32 miles away and attempt to maintain a 500 foot per minute rate of descent. Join my channel:https://www. into 280 indicated, decelerating to 250 below 10,000', then decelerating before flap extension when appropriate. As an example, the 757 with Jan 11, 2025 · EFB Descent Calculator is a Microsoft Flight Simulator 2020 mod created by fantasticfaun34. How to plan your descend when flying a Boeing 737 NG/Max airplane. Hi Folks, i know this topic has been discussed several times, but I'm still confused about some things 737-300/500: 1. It is never at the right speed, never at the right pace, and I arrive too high or too low before the approach. Takeoff Calculating a Top of Descent (TOD) point is very helpful to ensure a smooth arrival. Just started polling around 737 Ng series [700/800] and having never flown jets before am having a little trouble on descents. 31 of the FCOM. Quote Jun 5, 2017 · This video cover a very important topic which is figuring the top of descend (T/D) using mental math. So far so good, but does this calculation include deceleration from descent speed to 250kts and Jul 5, 2023 · The End of Descent (E/D) is a significant phase of the flight for a Boeing 737-800 aircraft. Training New Pilots. gl/TToDlg example, you are descending from FL340 to FL280. Now divide 7500 by 500 feet per minute and you will see that it will take approximately 15 minutes for the descent. I find that the 800 series is difficult to slow down. • Predict and avoid High Energy Approaches (HEA) and Go Around: safer flight. Practice your descent planning or simulate decompression. This video will help you und In this video I'll show you how to mitigate against the threat of high energy approaches by anticipating shortcuts. Adjusted Descent Profile, Vertical Path, due to changes to the DES Forecast Page Oct 18, 2018 · ️WANT TO BECOME A PILOT? ️ https://bit. The path is built from lowest constraint UPWARD, at idle thrust, and any anti-ice entered into the DESCENT FORECAST page. If you're doing all this at idle thrust, your issue is your top of descent point. Oct 11, 2020 · Tech Log - Descent planning tips 737 - It depends on your company's SOP. And just before 4nm you can take gear down, flaps 15, and get to your landing flap setting comfortably before 1000 feet above aerodrome elevation. 3x tables at 250kts or below can be a little optimistic for the NG, because it is very slippery until Flaps 10 or Gear Down. www. If you let the airplane level off at FL280 in VNAV PATH. I know about 3x table and calculating yourself the rough track miles, using the green banana or asking atc for track miles. Aim for 250kts, 10,000ft by 30nm out. You can keep that ECON speed but you have to descent below the VNAV calculated path to allow for deceleration back to ECON speed. The video will guide you to train yourself for the same , and with experience you ll be abl Descent Planning • Plan, follow-up and correct an actual descent: improved situational awareness (SA) • Predict if your descent-corrections make sense and adapt them. He realized that up until now, there is a treasure of information available when it comes to technical and procedural aspects of flying. Bleed requirements. However, I find that I am now arriving at the airport way too high and having to use speed brakes. Intercept glide slope with flaps 5. In this video, I cover the Descend Forca May 18, 2020 · The faster you go the faster you need to descent to maintain this descent path. Jul 13, 2007 · Tech Log - 737 descent planning - Hi Folks, i know this topic has been discussed several times, but I'm still confused about some things 737-300/500: 1. However you really need to input the wind forecasts at different altitudes. Jul 27, 2009 · Tech Log - Descent Planning - In the descent from say FL350 to FL250 it is easy to use the 'LVL CHG' function in say a 737 for example and plan that for every 1,000ft of descent the a/c will approximately travel 3nm. Then level flight at 10 until bleeding back to 250 knots then idle descent at 250 knots to 3000 ft and so on. As soon as I get descent clearance I pull the throttles back to idle and usually do a "Level Change" to get the steepest descent at the desired speed. youtube. Mar 20, 2024 · If there is a tailwind and a positive ISA deviation, there will be greater track miles required for the descent, and the Top of Descent point will be moved backwards in space to facilitate this longer descent. It’s really for the last 7000ft whilst on headings for the ILS and trying for a CDFA. In my opinion as a pilot you should be able to figure o Jul 7, 2023 · The Descent – FMC page, also known as DES, is an important feature on the Boeing 737 aircraft. There are different methods for different scenarios, which you have probably witnessed already. It involves careful descent planning, navigation and communication with air traffic control, and configuring the aircraft for the final approach and landing. svhq vbtv cqfp rvrhent kizxal uwuhtr eozstgp vnawdq nicm kky