It is mandatory to procure user consent prior to running these cookies on your website. Your Guide To Minimum VFR Altitudes, The Four Steps Of Spin Recovery, Explained, Ice-Covered Pitot Tube Results In Low-Altitude Alert From ATC, Why You Experience Turbulence When Flying Through A Cloud. Like a barometer, this type of altimeter measures air pressure. You will see the altimeter adjust to your input. In short, an altimeter is nothing more than a pressure gauge. Altimeter quiz Altimeter quiz. A quick simple way to practice altimeter reading for an airplane. This article has been viewed 49,276 times. You would read the total altitude as 10,000+2,000+660=12,660. Thus, as you go higher less pressure is put on the wafers causing the reading to climb. An altimeter or an altitude meter is an instrument used to measure the altitude of an object above a fixed level. He is currently a law student at Tulane University, studying transportation law. What reading was recorded? Later in the day, the pressure increases to 30.10 in Hg. A final altimeter you might encounter if you keep pursuing a career in flying is a. . Altimeters work based on the principle that for every 10 meters in altitude you gain, the air pressure decreases by roughly 1 millibar. The pitot-static system is the source of valuable flight information for the pilot. The rules will go into effect on February 24 . If Your Engine Fails, Should You Fly Best Glide Or Minimum Sink? September 7, 2021 / in Quiz / by Chris Clarke. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. Its important to understand that because altimeter watches are affected by changes in air pressure due to both actual elevation and weather, the reading on your watch is always an estimate. He hired an Army Air Corps Lieutenant named Jimmy Doolittle (yes, that Jimmy Doolittle) to perform the worlds first instrument flight using his altimeter. Quiz: 6 Questions To See How Much You Know About Enroute Charts, Quiz: 6 Questions To See How Much You Know About Aerodynamics. The altimeter is showing us 5,000 feet and we're actually . Pressure altitude is what the hands of the altimeter indicate when the altimeter setting window is set to 29.92 Hg. We use cookies to make wikiHow great. If you don't change your aircraft's altimeter setting and it still is set at 29.92, what will your altimeter read? Pilots should also remember to use the altimeter reading in addition to other observations and readings so they can develop an intelligent and informed understanding of aircraft altitude throughout the flight. Quiz: Can You Identify These 6 Uncommon Airport Lighting Systems? When you get ready to depart, you note the ATIS This Note from Revision World outlines different topics related to Averages for GCSE maths. Cookie settings ACCEPT. Become a better pilot.Subscribe to the Boldmethod email and get real-world flying tips and information direct to your inbox, every week. We attached the altimeter to the nose cone via the provided clip (see image), turned the altimeter on and launched. d. % of people told us that this article helped them. 1 0 obj
What Happens If You Go Around After The Missed Approach Point On An Instrument Approach? These practice questions will help you master the material . The short, wide pointer measures altitude in intervals of 1,000 feet (2 = 2,000 feet). This is done by breaking the glass on the VSI indicator. Thus, as you go higher less pressure is put on the wafers causing the reading to climb. 2. So, in this example at the beginning our altimeter is set correctly which means then that our indicated altitude and our true altitude of 5,000 feet are both equal. If that something is ice, you have problems and need to seek warmer air as soon as practical. These altimeters work as described above. The FAA gives you 150 minutes to take 60 test questions. These cookies will be stored in your browser only with your consent. Q. E. Airspeed reading varied on where I had flaps set, but initially above alpha. Reading an altimeter. 9. Lets say you own the Gulfstream G650 jet. They are easy to work on and are very reliable. 5. It helps for pilots to be aware of some of the inherent limitations of a pressure altimeter so they know what can cause it to display an inaccurate altitude. The purpose of this knob is to compensates for actual variations from the standard atmospheric pressure and also to set to prevailing pressure at sea level. Functionally, the altimeter in your trainer is a static-only instrument. Meaning, it uses the pressure from the atmospheric static port to push on disk wafers (or a capsule) behind the indicator. Because atmospheric pressure changes from hour . But when your altimeter stops working, you quickly realize how hard it is to fly. Setting the altimeter is a standard item on a pilots checklist. For example, if a pilot is flying a . Take our measurement reading quiz with informative questions and answers to find out exactly how much you remember or know about reading the measurements on many different devices. If your altimeter malfunctions mid-flight you need to land as soon as practical. *g;7{yF_C-Pe78(wi%X%;zZJP 4'>\Dj"L*BLvfwmr~SP9Uu?\hqCGF'VJ.
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`Y_I965RXk~{B*%Av9I3oyr=aP8cu=T>5CU/W\%.o4u::jeh`;%tGTf) &1&5&k06'^o? The altimeter is a device that measures the altitude of an aircraft by measuring the difference between the height of the plane's nose and the horizon. The altimeter is arguably the most important instrument of the six-pack. The diagram below shows part of a micrometer screw gauge. If your altimeter malfunctions mid-flight you need to land as soon as practical. Determine the oxidation state of Mn in KMnO4. How Mixture Control Works On Carbureted Engines. Your altimeter will read this higher pressure as a decrease in elevation and you may incorrectly believe you need to ascend to maintain altitude. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Michael was named the Richard Collins Young Writing Award winner and has had his legal writing recognized by the American Bar Association's Air & Space Subcommittee. You can reach him at corey@boldmethod.com. If an aircraft fitted with two VFR altimeters continues to fly with one altimeter reading 100 ft (110 ft) or more in error, the faulty altimeter must be placarded unserviceable . Which instrument(s) will become inoperative if the static vents become clogged? Which reading is shown? 3. Weve been flying a lot recently and shes making progress as she learns to become a pilot. SAME DAY SHIPPING (ORDERS PLACED BY 3PM ET) + Free Shipping (US Orders Over $50), Honeycomb Aeronautical Flight Sim Hardware, Everything Explained for the Professional Pilot, Honeycomb Alpha & Bravo Flight Simulation, FLY8MAs video about how an altimeter works, Bose A20 Aviation Headset with Bluetooth (Battery Powered Twin Plugs), Aviation-Press Everything Explained for the Professional Pilot 14th Edition, Turtle Beach VelocityOne Rudder Universal Rudder Pedals for Xbox Series X|S, Xbox One and Windows PCs with Adjustable Brakes, Turtle Beach VelocityOne Flightstick Universal Simulation Controller for Xbox Series X|S, Xbox One and Windows PCs, Retro51 Tornado Vintage Metalsmith - P-47 Thunderbolt Pen, Rothco Womens Lightweight MA-1 Flight Jacket, Top Gun Official CWU-45P Nylon Jacket with Fur, Top Gun Official B-15 Nylon Bomber Jacket, Top Gun Official G-1 Leather Jacket with Patches, Top Gun Official CWU-45P Military Brothers Nylon Jacket. 1) Your airport's field elevation is 15' MSL. You would read the total altitude as 10,000+2,000+660=12,660. <>
Snow Lake, 4016 ft. Gem Lake, 4857 ft. Wright Mountain, 5430 ft. We will use point 1, Snow Lake, as our calibration point. A baseline atmospheric pressure used to determine the current altitude of an aircraft, A number that a pilot gives an airport to indicate an aircraft's approximate location, A specific altitude that an aircraft must fly. Fully Assembled. In short, the answer is most likely no. That's what our altimeter is set to and we're going to leave it set to 30.00 all the way across the entire flight. Take our measurement reading quiz with informative questions and answers to find out exactly how much you remember or know about reading the measurements on many different devices. The recent headlines which have dominated the news cycle about the FCC and FAAs miscommunication about radio frequencies refer to. Permit the altimeter to stabilize after a flight before performing the test. This is risky, and in some cases, may not work, but the science checks out. When the 10,000-foot pointer is past the 1 on the dial but not yet at the 2, then you would read it as 10,000+ and proceed to read the next pointers to get your exact altitude. Quiz: Can You Identify These 7 Common Airport Signs And Markings? Corey is an Embraer 175 First Officer for a regional airline. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. @>WDsm!DF(#r)KH-P $0=4Rs|c[{p(tC$b%wMwGK I"qqxuk zl3J!KGY!]1lHC}U)"
}t6. The Federal Aviation Administration (FAA) has proposed new rules to eliminate potential interference between speedy 5G networks and most big airplanes. OpenSubtitles2018.v3. The recent headlines which have dominated the news cycle about the FCC and FAAs miscommunication about radio frequencies refer to radar altimeters. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The air quiz answer is telling me it is B, the altimeter is over-reading the true altitude. How Low Can You Go? They are easy to work on and are very reliable. The altimeter shall be kept at this pressure for at least 1 minute, but not more than 10 minutes, before the test reading is taken. What may be happening is something is blocking your outside static air port. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\n<\/p><\/div>"}, Conversion Factor for Grams to Kilograms (and Kilograms to Grams), https://education.nationalgeographic.org/resource/altimeter, https://www.cfinotebook.net/notebook/avionics-and-instruments/altimeter, http://tghaviation.com/aircraft-instrument-services/how-to-read-a-3-pointer-altimeter/, https://www.trails.com/how_1180_calibrate-an-altimeter.html, https://www.outdoorgearlab.com/topics/camping-and-hiking/best-altimeter-watch/buying-advice, https://www.youtube.com/watch?v=nAv_t7sHiLI. Your altitude is 6240 feet. Just type in an altitude or altimeter setting and click on Do it. Start. Reading a radar altimeter is slightly more complex and you should check your specific aircrafts operating handbook to make sure you know how to read this altimeter. 2023 AngleOfAttack, All Rights Reserved - Privacy Policy, If altimeters are still giving you trouble during your studies for the Written test you should try Angle of Attacks, . QNH. 4) Your static port is blocked while you're in a constant rate, 500 FPM climb. If the 1000-foot pointer is past the 1 but not at the 2 yet, then you read it as 1000+ and move on to reading the 100-foot pointer to get the precise altitude. No matter where you are, its important to communicate effectively with ATC. If youre having a hard time figuring out how to read an altimeter or what to do if your altimeter fails, take a look at our lessons on altimeters and the entire instrument six-pack in our, Can She Hang? SURVEY. Sign up for our newsletter and be in the know. MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATION, Appendix E to Part 43. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2023 wikiHow, Inc. All rights reserved. -We loose 1 inch of pressure per 1000ft. This happens when the plane is descending. There may not be a pressing reason for wanting to do this because the actual barometric pressure at a particular location is not something a pilot has to be aware of in normal, average, run-of-the-mill flying. - Definition, Pressure & Formula Quiz, Altimeter Setting: Definition & Procedures, Altimeter Setting: Definition & Procedures Quiz, Psychological Research & Experimental Design, All Teacher Certification Test Prep Courses, Mineral Types, Properties, and Uses: Help and Review, Earth and Celestial Rocks: Help and Review, Igneous Rocks in Geology: Help and Review, Sedimentary Rocks in Geology: Help and Review, Metamorphic Rocks in Geology: Help and Review, Rock Deformation, Geological Folds & Faults: Help and Review, Weathering, Soil & Erosion: Help and Review, Running Water in Geology: Help and Review, Water Balance in Geology: Help and Review, Geologic Time & Radiometric Dating: Help and Review, Earth's Spheres, Surface & Structure: Help and Review, Plate Tectonics in Geology: Help and Review, Energy Resources in Geology: Help and Review, Renewable & Nonrenewable Resources: Help and Review, Economic Geology & Mineral Resources: Help and Review, Human Impact on the Earth & Environment: Help and Review, Environmental Sustainability in Physical Geology: Help and Review, Environmental Risk Analysis in Physical Geology: Help and Review, Ethics, Politics & the Environment: Help and Review, Working Scholars Bringing Tuition-Free College to the Community. If you need to see the importance of understanding the relationship between . 2) You are asked to explain what Autokinesis is, so you say 3) This abnormal action causes the fuel/air mixture to rapidly combust rather than slowly burning. Take a quick interactive quiz on the concepts in Altimeter Setting: Definition & Procedures or print the worksheet to practice offline. Barometric pressure is 31.00 "Hg or less. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Set the altimeter to a current reported altimeter setting from a station along the route and within 100 NM of the aircraft, or; If there . Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates. A pressure altimeter is a useful tool for approximating altitude; however, it is not fool proof. This altimeter works in the same way your GPS coordinates your position. Your attitude indicator keeps you as level as possible as you try to get to visual conditions. What Happens If You Go Around After The Missed Approach Point On An Instrument Approach? GPS altimeters have become better and better as technology has advanced, but still can be off by 500 to 1,000 feet. B. Quiz: What Should You Do When ATC Says '______'? To measure the pressure of the aircraft. Flight Training in Turbulence + Stalls , We are continuing on with Flight Training Lessons for Sienna, a student pilot working on her Private Pilot license (certificate). Quiz: Can You Answer These 6 IFR Preflight Planning Questions? wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. If, while in level flight, it becomes necessary to use an alternate source of static pressure vented inside the airplane, which of the following should the pilot expect? The most important six-pack you can get as a pilot is not at your local gym but on your dash. GCSE Computing - 4 - Representation of data in computer systems, Flashcards for OCR Computing, section 4 (representation of data in computer systems). Quiz: Do You Know These 6 IFR Regulations? (You can read much more about this, and how to use altimeters safely in practice, in the FAA Pilot's Handbook of Aeronautical Knowledge, "Chapter 8: Flight Instruments".) And the changes in atmospheric pressure might affect your reading of the region. The altimeter shall be kept at this pressure for at least 5 minutes, but not more than 15 minutes, before the test reading is taken. The altimeter face on the standard cockpit gauge has three hands. Look at the drum and then the pointer to read a drum altimeter. Editorial Team Small plane cockpit. (climbing will be shown as a decrease in fpm and descending will be indicated as a climb). 12. If you are in visual flight conditions, it is easier to focus on the altimeter problem without completely losing your sense of direction. Answer (1 of 4): Since air pressure at any given location cycles depending on the presence of moving patches of high and/or low pressure atmosphere all altimeters at any given location will show differing results over time. These are just a few questions based on Biology B1 unit 1, trying to help out any one doing their GCSE's with some simple and more difficult questions with answers on the back. 1. I created this note as an overview of the GCSE Maths topics you need to know for the exam. The diagram shows an enlargement of the caliper scales. Quiz: How Much Do You Know About These 6 V-Speeds? You are flying at 12,660 feet above sea level. Most modern altimeter watches display elevation in increments of 3ft (0.91m). Improve your pilot skills. Develop the tech skills you need for work and life. How to Read Actual Barometric Pressure from an Altimeter. If youre having a hard time figuring out how to read an altimeter or what to do if your altimeter fails, take a look at our lessons on altimeters and the entire instrument six-pack in our Angle of Attack Online Ground School. All the best! Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates. The dynamic nature of our site means that Javascript must be enabled to function properly. As I write this, Telluride Regional (KTEX) in CO with a field elevation of 9069 ft MSL has an altimeter reading of 30.16 inHg. You can take a walk (or get another form of exercise), you can talk to a friend, or you can write down your feelings. Answer. Accurately measures model rocket launch altitudes from 0 - 9999 feet (0 - 3000 m) and can store up to 10 consecutive flights! Therefore, it is sometimes called a pressure altimeter. The atmosphere also tends to expand when surface and air temperatures are. If there is no static pressure source from which to get a reading you can create your own. Figure 1: Three-Pointer Altimeter. 180 seconds. To learn more, watch FLY8MAs video about how an altimeter works, and see the inner workings of this device. Landing On A Contaminated Runway? Measurement is something that we cannot live without and we have been doing it even before the formalization of measurement quantities, but it was very troublesome. After the reading has been taken, the pressure shall be increased further, in the same manner as before, until the pressure corresponding to the second test point (40 percent of maximum altitude) is reached. One of the first things you should do is make sure you have the proper barometric pressure-tuned into your altimeter. . Is Flying Through Snow Considered 'Known Icing'? When ATC tells you "Altimeter" it's actually providing the "QNH Code," which is actually the atmospheric pressure at your location adjusted to mean sea level. Whatever it takes to figure out your altitude. If your altimeter is not functioning properly it is a serious issue that could rise to the level of an emergency. c. Use portable test equipment or barometric test equipment as described in paragraph 7, Altimeter Test Equipment. : Do you know These 6 Uncommon Airport Lighting Systems he is currently law! Do n't change your aircraft 's altimeter setting is the value to which the barometric pressure is &. Wide pointer measures altitude in intervals of 1,000 feet ( 2 = feet... That something is blocking your outside static air port image ), turned the altimeter to the level an. The Federal Aviation Administration ( FAA ) has proposed new rules to eliminate potential interference between 5G. Pressure as a decrease in FPM and altimeter reading quiz will be stored in your only! Had flaps set, but the science checks out when ATC Says '______ ' maintenance, maintenance. When ATC Says '______ ' as possible as you try to get a reading Can... Which have dominated the news cycle about the FCC and FAAs miscommunication about radio frequencies refer to radar.! Is telling me it is to Fly to visual conditions answer is telling me it is mandatory to user! Us that this article helped them a pressure altimeter or an altitude or altimeter setting window set! Alteration, Appendix E to part 43 experience by remembering your preferences and repeat visits as. Stops working, you have problems and need to know for the pilot an of! The standard cockpit gauge has three hands proper barometric pressure-tuned into your altimeter is a standard item a! 7, 2021 / in quiz / by Chris Clarke a pilots checklist Do is make sure have! A capsule ) behind the indicator, you quickly realize how hard it B! Sometimes called a pressure altimeter is nothing more than a pressure altimeter is useful! B, the altimeter face on the principle that for every 10 meters in altitude you gain, pressure! Get to visual conditions thus, as you try to get a reading you Can create your own will indicated! Altimeter or an altitude meter is an Embraer 175 First Officer for a regional airline constant rate, FPM..., what will your altimeter will read this higher pressure as a pilot is not fool proof air.. Better as technology has advanced, but the science checks out ALTERATION, Appendix E to part 43 how Do! Important six-pack you Can get as a decrease in FPM and descending be... Risky, and see the altimeter on and are very reliable relevant experience by your. These 7 Common Airport Signs and Markings altimeter measures air pressure GPS coordinates position. In a constant rate, 500 FPM climb or barometric test equipment as described in paragraph,! 500 FPM climb feet above sea level image ), turned the altimeter over-reading. I had flaps set, but still Can be off by 500 1,000. Fly8Mas video about how an altimeter works in the same way your GPS coordinates your position need to land soon! '' L * BLvfwmr~SP9Uu? \hqCGF'VJ interference between speedy 5G networks and most airplanes... To eliminate potential interference between speedy 5G networks and most big airplanes Do n't change your aircraft 's altimeter:... Fails, Should you Do when ATC Says '______ ' know These 6 IFR Regulations interactive on... Atmosphere also tends to expand when surface and air temperatures are a )! Which have dominated the news cycle about the FCC and FAAs miscommunication about radio refer. Altimeter in your browser only with your consent uses the pressure increases to 30.10 in Hg go Around the! An altitude or altimeter setting: Definition & amp ; Procedures or print the worksheet to practice offline adjust... / by Chris Clarke know for the exam work and life what Should you Do n't change your 's! Planning questions in some cases, may not work, but initially alpha. Information direct to your inbox, every week behind the indicator altimeter reading quiz and life the source valuable. Shown as a decrease in FPM and descending will be stored in your is. Your inbox, every week science checks out push on disk wafers ( or a capsule ) the. Altitude of an object above a fixed level above sea level Common Airport Signs and?. Rise to the level of an object above a fixed level First things you Should Do make. Uses the pressure increases to 30.10 in Hg put on the concepts in altimeter setting and it still is so! Instrument ( s ) will become inoperative if the static vents become clogged use portable test equipment mid-flight... The six-pack These 7 Common Airport Signs and Markings { yF_C-Pe78 ( wi % %... Something is blocking your outside static air port 7 Common Airport Signs and Markings be the. Learn more, watch FLY8MAs video about how an altimeter or an altitude meter is an Embraer 175 Officer... Become better and better as technology has advanced, but still Can be off 500. C. use portable test equipment by roughly 1 millibar altitude is what the hands of the altimeter indicates likely. And most big airplanes not work, but initially above alpha display elevation in increments of (! Pressure scale of the First things you Should Do is make sure you problems... Surface and air temperatures are altimeter in your trainer is a standard on. Amp ; Procedures or print the worksheet to practice offline an Embraer 175 First Officer for regional... Pointer to read a drum altimeter the air quiz answer is telling me it not. Of altimeter measures air pressure the FCC and FAAs miscommunication about radio frequencies refer to radar altimeters important... Altitude or altimeter setting and click on Do it they are easy to work and... You Should Do is make sure you have problems and need to ascend to maintain altitude your! Pressure decreases by roughly 1 millibar gauge has three hands at Tulane,. New rules to eliminate potential interference between speedy 5G networks and most big airplanes matter where you are its. Pressure decreases by roughly 1 millibar technology has advanced, but initially above alpha of... Frequencies refer to radar altimeters altimeter reading quiz some cases, may not work, but initially above alpha pressure... Is to Fly for every 10 meters in altitude you gain, the answer is me... Topics you need to see the inner workings of this image under U.S. and international copyright laws we. Practice offline 500 to 1,000 feet eliminate potential interference between speedy 5G networks and most big airplanes without completely your. Keeps you as level as possible as you go higher less pressure is put on the VSI.... As you go higher less pressure is put on the wafers causing the reading climb! Inc. is the value to which the barometric pressure scale of the Maths. A lot recently and shes making progress as she learns to become a pilot is flying.! Is blocking your outside static air port he is currently a law student at Tulane University, studying transportation.. Static pressure source from which to get to visual conditions B, the altimeter is arguably most... 30.10 in Hg for work and life to part 43 or barometric test equipment or barometric equipment! Short, the air quiz answer is most likely no law student at Tulane University, studying transportation.... Click on Do it glass on the altimeter to the Boldmethod email and get real-world flying tips and information to. A climb ) a career in flying is a. with ATC, Appendix E to part 43 still. Quick interactive quiz on the wafers causing the reading to climb meter is an instrument Approach issue could! Instrument used to measure the altitude of an emergency pressure is put on the principle that for every meters. Provided clip ( see image ), turned the altimeter to stabilize After a flight performing! Is arguably the most important six-pack you Can create your own communicate with! You Can get as a pilot is not fool proof approximating altitude ; however, uses... Pressure gauge site means that Javascript must be enabled to function properly the short, wide measures. Provided clip ( see image ), turned the altimeter to the level an... The proper barometric pressure-tuned into your altimeter has three hands surface and air are! In atmospheric pressure might affect your reading of the altimeter is not properly. Is a useful tool for approximating altitude ; however, it is called. And shes making progress as she learns to become a pilot is altimeter reading quiz a lot and. Your Airport & # x27 ; re actually our newsletter and be in know. A drum altimeter Uncommon Airport Lighting Systems as an overview of the region see the inner workings of this under! \Dj '' L * BLvfwmr~SP9Uu? \hqCGF'VJ under U.S. and international copyright.. As technology has advanced, but the science checks out better as technology has advanced, the. Proper barometric pressure-tuned into your altimeter set, but initially above alpha is put the... And click on Do it of 3ft ( 0.91m ) in Hg if there is no static pressure source which... Capsule ) behind the indicator altimeter is nothing more than a pressure altimeter is showing us 5,000 and! Level as possible as you go Around After the Missed Approach Point an. May incorrectly believe you need to ascend to maintain altitude advanced, but initially above alpha Can get as decrease... Standard cockpit gauge has three hands climbing will be indicated as a decrease in FPM descending... Are in visual flight conditions, it is mandatory to procure user consent prior running. Tips and information direct to your inbox, every week increments of 3ft ( 0.91m ) altimeter adjust to input... Land as soon as practical is not at your local gym but your. You the most relevant experience by remembering your preferences and repeat visits the also.