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01/06/2003, 3:11 PM Mike Benjamin Joined on 01/06/2003 Posts 4 Re: QNH and QFE ? Pete, In its simplest form that I understand, it goes like this. If you're flying around in the circuit with other aircraft in the circuit and some who are joining, they all need a reference as to their height above the relevant airfield. They must all be coordinated in other words. This is the QFE. Outside of the circuit, all other aircraft need to be coordinated with each other as well. They are therefore given a common QNH. This is why when you leave the circuit, you must go onto QNH to be sure that when you fly a height or altitude, other aircraft in your airspace understand your level of flight. When you reach another airfield to land at, you will join their circuit at their QFE so that other aircraft in the circuit are doing the same thing as you. There are different settings for QNH when you are flying, but your instructor will explain these to you as you become more confident. Hope this helps! Mike    Report

01/06/2003, 9:34 PM Pete Murphy Joined on 06/04/2003 Posts 46 Re: QNH and QFE ? Thanks Mike, My instructor put it a very similar way in my lesson today, i'd been waiting to ask him about this for a couple of weeks but to no avail, as the weather hasn't been to good. Thanks again. Pete.    Report

01/06/2003, 9:49 PM Mike Benjamin Joined on 01/06/2003 Posts 4 Re: QNH and QFE ? Good luck and enjoy your lessons! Mike    Report

02/06/2003, 12:12 PM David May Joined on 15/04/2003 Posts 48 Re: QNH and QFE ? Hi Pete Interesting thread - I'm currently on 11 hrs myself and know exactly what you're going through. I'm not going to give a different slant on the QNH/QFE question as it's been answered in full anyway (I'm using Thom by the way and it's fully explained in there, I guess it depends on what style you like, I didn't even know the Pratt books existed so I can't comment on those, but the Thoms are pretty good). The reason for this reply is the instructor part of the thread. I've had three instructors in my 11 hrs and my 'limited experience' advice is try and find one that makes you think about what you're doing but without making you feel like you're under pressure. I find my flying improves at least 100% if my muscles aren't tense and having an instructor that inspires confident and relaxed flying makes it so much easier. So if you don't get that then change instructors until you do and then stick with that one (I've even cancelled lessons because they wanted me to go up with someone I wasn't happy with) . You're paying for the lessons and they're not cheap, if the school can't offer that then go somewhere else. Good luck Dave    Report

03/06/2003, 8:32 PM Pete Murphy Joined on 06/04/2003 Posts 46 Re: QNH and QFE ? Hello Dave, I know exactly what you mean about being under pressure, not through my instructor though, I feel I'm putting myself under pressure as this is still very new to me and I feel like I'm not learning enough, even though I'm putting a lot of study time in, does this ring any bells ?? I've also had three instructors, two of them have been only for one lesson each, as I've only had five lessons so far, the weather has being playing it's part as usual ;-( The one I've got now he seems ok, always asking me if I've got any questions to ask him and when I do ask him he's given me pretty detailed explanations, so he seems ok on that part, plus I feel relaxed and confident around him as yet, so no complaints there. I've only just started my Flying lessons, I want to see how things go before I change my instructor or the School ( If Needed), all the people who work there are a friendly bunch and they seem pretty genuine as well and if you've got anything to ask them they are willing to talk to you about it and I don't get the impression I'm getting on anyone's nerves keep asking them stuff, but it's early days as I've got another million or so questions to ask, so there's time to get fed up with me ;-) But like you say we're paying a lot of money to learn to Fly and it must be right, if I get any signs of things not going to well then I'll do something about it. Thanks for the advice Dave, I'm sure I'll have a million Posts for this Forum as well ;-) Pete    Report

10/06/2003, 11:53 PM mike currill Joined on 16/04/2003 Posts 134 Re: QNH and QFE ? Just think of this for a bit of encouragement to persevere. Amy Johnson was told by one instructor to "give it up love, you'll never make a flyer no matter how long you live." She set off on her solo flight to Australia with just 100 hours in her log book. OK so maybe your'e not that ambitious but it does show that instructors are not infallible judges of human nature. Mike    Report

15/06/2003, 10:50 AM Derek Butterfield Joined on 04/04/2003 Posts 2 Re: QNH and QFE ? Bit late to join this thread but thought you might like to know the derivation of QNH and QFE: QNH=Query Nautical Height QFE=Query Field Elevation Hangover from the early days of aviation when communication was made using morse code. Another one for you: QDM=Query Direction Magnetic. derek Butterfield    Report

15/06/2003, 4:51 PM Jane Giffould Joined on 18/05/2003 Posts 118 Re: QNH and QFE ? Always wondered the origin of the Q code. Now explain QSY and all the others which also tie in with Amateur Radio.    Report

19/06/2003, 2:10 PM David May Joined on 15/04/2003 Posts 48 Re: QNH and QFE ? Hi Pete Sounds like you're off to a good start then and doesn't sound like you've anything to worry about. Where are you flying from? I agree weather is a problem, although I've tried to go up unless it's really bad as my view is that if I learn to fly when it's bad it'll be easy when it's good and let's face it, over here it's more likely to be bad than good. But again this is where a good instructor comes in, if they know your ability and attitude well then in, my view, it can be beneficial to fly in slightly dodgy weather as it's good experience. I know what you mean about studying as well. With me I have to do it all twice as I can never read the stuff slowly enough the first time round to be actually studying it. First time is just a read (like a novel) THEN I get to the studying bit. For the record for everyone elses benefit (especially if you're an instructor). I wasn't intending to imply that there were dodgy instructors about. More a case of one man's meat is anothers poison, just because you don't get on with an instructor doesn't mean he's bad, just not suited for you, I'm certain he's great with others. Anyway, keep it up and good luck. Drop a post when you go solo. Dave    Report

24/06/2003, 12:49 PM Pete Murphy Joined on 06/04/2003 Posts 46 Re: QNH and QFE ? Hi Dave, I'm doing my Flying from Blackpool at WestAir Flying School, i've visited a couple of others before i made my mind up and they come out on top as they made me feel very welcome and they all seem very friendly. My current instructor makes me feel confident and i think i get on quite well with him, the other two i had before him seemed ok but i only had one lesson with those guys so i'm not in a position to give any details of how good or bad they are, but i enjoyed both those lessons with them. I think you build up some kind of a relationship with your instructor don't you ? as at the end of the day you have to trust him don't you ? but how do you define a bad instructor from a good one ? He seems very thorough in his explanations and he answers all of my questions, even though i ask him a million each time i see him ;-) I still feel a little overwhelmed with some things but on the hand i'm starting to get to grips with things, i think i'm like you with the studying bit, i tend to read it over and over and over until it starts to sink in but my main issue with this studying is to understand it rather than just pass the exams, so i'm taking my time with it all. I also got told about the weather, it does your experience some good if you do Fly in some unsettled conditions, i found that out the hard way, my very first lesson was at the end last November and it was really windy and bumpy up there and it did make me think if the Flying was really for me but i enjoyed the lesson all the same and thought i would give it a chance and i'm glad i did, i really love it and i don't know why i didn't try it 10 years ago. I'll drop you a line when i go solo, it sounds nerve racking just to think of that yet, i'm only on exercise 10 but the lessons can't come quike enough for me as i've really got the Flying Bug now ;-). Cheers Pete    Report

24/06/2003, 2:09 PM PW Joined on 24/06/2003 Posts 14 Re: QNH and QFE ? Jane, The Q-Codes were instituted in 1912, at the Warsaw Conference and are still used in radio communications to this day (NOT just Aviation). There's a list of them here - http://au.geocities.com/actdxer/q-codes.htm As you will see, QSY = Change freq. to..... Naturally, we don't use the vast majority, though there are some very useful ones, such as requesting a QDM ! Paul.    Report

25/06/2003, 7:32 PM Andrew Sinclair Joined on 13/06/2003 Posts 52 Re: QNH and QFE ? Hello Jane, Here is a link to a web page concerning the International Civil Aviation Organisation (ICAO) Q code that you might find useful. http://www.kloth.net/radio/qcodes.php Regards    Report

30/06/2003, 9:29 AM David May Joined on 15/04/2003 Posts 48 Re: QNH and QFE ? Hi Pete Sounds like you've got a good school and instructor. I know what you mean about deciding if someone is good or not. I suppose at the end of the day you have to find someone you're comfortable with (sounds like you have) and then trust the examining bodies to not have passed someone who didn't know what they were doing. My achievement of the week - I went solo on Friday and I've got to agree with the consensus that the first solo landing you do is the best. Brilliant experience for me, but my instructor was having kittens as ATC made me do orbits and downwind extensions which he wasn't happy about, but that's life at a busy airport I suppose. I didn't mind at all, just meant I was up there a bit longer. If you're on Ex10 you should start circuits soon, depends on whether your instructors follows the exercises in a linear fashion or slightly out of sync - quicker you can get those consistent the quicker you'll be solo as it appears to be just a matter of your instructor believing you're safe enough to do a circuit without crashing. Anyway - back to work. Good luck and keep it up. Dave    Report

30/06/2003, 12:14 PM Pete Murphy Joined on 06/04/2003 Posts 46 Re: QNH and QFE ? Hi Dave, Firstly, congrats on your First Solo, well done mate. The School seems good, my instructor seems very thorough and makes sure i'm ok with stuff before we move on. I don't know if you get like this but i asked him on Saturday when all this will start to sink in and become second nature to me, as we were coming in to land i didn't have a clue on how to go about the landing configuration even though i've been doing it for a few weeks now, my mind seems to go blank and i forget about things pretty quick which is weird for me as i seem to have a good memory, he said i should be getting these things by now as we've done them quite a few times, he was not putting me under any added pressure or anything like that. I asked him if he'd had many students who were as bad as me, he said i'm doing pretty well just keep doing the studying and i'll be ok, but it worries me like those issues above, it's as if i'd never done those things before, was you like this at first ?? I'm up to EX 10B now, but how many hours did it take you to go Solo ?? i know it's down to the student really but how many hours did it take you ? Cheers Pete.    Report

30/06/2003, 1:40 PM Phillip Taylor Joined on 30/04/2003 Posts 12 Re: QNH and QFE ? Hello Pete I'm learning to fly at Biggin Hill, and now well into my solo nav stuff. When I was doing dual circuits I found my mind would go blank on base leg when it was time to configure for landing. What helped me was to think about what you are going to do before you turn base. I would do this right after I finished my downwind checks. I found this helps because you have more time to think when you are downwind, then when you turn base you can get straight into the configuration without having to remember what you are supposed to be doing. I also found it useful to use "CPFAT" to remember (Carb heat, Power, Flap, Attitude, Trim) - although you will probably need to make up a different mnemonic for the aircraft you are flying. Good luck with it. Phil    Report

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