Search found 2166 matches

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by FredT
Wed Aug 07, 2013 8:21 pm
Forum: Technical/Operations
Topic: What's A Waveguide Localizer?
Replies: 4
Views: 3505

RE: What's A Waveguide Localizer?

<a href="http://www.icasc.co/sites/faa/uploads/documents/resources/14th_int_flight_inspection_symposium/Evaluation_Commission_and_Certification_of_the_First_Super_Wide_Aperture_Localizer_Array.pdf" target="_blank">http://www.icasc.co/sites/faa/upload..._Wide_Aperture_Localizer_Array.pdf</a> Should b...

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by FredT
Mon Feb 11, 2013 1:51 pm
Forum: Technical/Operations
Topic: Flight Path Question
Replies: 5
Views: 3608

RE: Flight Path Question

1) Winds, as pointed out by planeguy. That's most of your time difference. 2) Great circle routes. The most direct route goes over the middle of the UK and Ireland and never over France. They do not appear straight on your normal map, but they are the straightest route when flying. Check it out in G...

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by FredT
Sun Jan 06, 2013 11:12 pm
Forum: Technical/Operations
Topic: What Is With The Mavrick (TTT / DFW) VOR?
Replies: 8
Views: 9592

RE: What Is With The Mavrick (TTT / DFW) VOR?

I think PHLapproach called it right. They were worried, and rightly so, about the traffic on the parkway interfering with the signal. Even for a normal doppler VOR, the cleared area around the facility has to be of a significant size. You can have obstructions, and most of the time it will be <acron...

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by FredT
Mon Sep 24, 2012 4:42 pm
Forum: Technical/Operations
Topic: Head Wind Component And Climb Performance
Replies: 2
Views: 8472

RE: Head Wind Component And Climb Performance

A headwind component means that you are going slower over the ground. If the headwind component reduces, your airspeed decreases. To maintain airspeed, <i>you have to accelerate</i>. You use thrust for acceleration and for climb rate. More acceleration = less climb rate. That's why you always do two...

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by FredT
Mon Aug 20, 2012 1:03 pm
Forum: Technical/Operations
Topic: Fly The Plate...
Replies: 3
Views: 4132

RE: Fly The Plate...

Some states flight check all procedures prior to publishing. Others only flight check procedures in the simulator - which would not catch a survey error, as the simulator obstacle database is based on the survey results. Other states publish unchecked procedures. I expect this to be regulated after ...

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by FredT
Sun Mar 11, 2012 7:46 am
Forum: Technical/Operations
Topic: Passenger/baggage Weight Tolerance
Replies: 16
Views: 8144

RE: Passenger/baggage Weight Tolerance

<a href="http://www.faa.gov/regulations_policies/advisory_circulars/index.cfm/go/document.information/documentID/22749">More than you want to know</a> Be warned though that this is straight from the FAA, so you will miss out on all the wonderful speculation you get from asking on internet forums. &n...

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by FredT
Mon Jan 16, 2012 7:18 pm
Forum: Technical/Operations
Topic: Crabbing Angle
Replies: 19
Views: 5691

RE: Crabbing Angle

It makes sense to sideslip in the direction where you don't have a control reversal as you go from the slip into the flare. That obviously means low wing into the wind.

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by FredT
Fri Sep 09, 2011 7:56 pm
Forum: Technical/Operations
Topic: Aviation Sunglasses - Polarized Or Not?
Replies: 22
Views: 36025

RE: Aviation Sunglasses - Polarized Or Not?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Jetguy" class="quote" target="_blank">Jetguy</a> (<a href="#7" class="quote">Reply 7</a>):<br/><i>The Beech King Airs use a rotating polarizing ...

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by FredT
Fri Jul 29, 2011 5:46 pm
Forum: Technical/Operations
Topic: Aural Glideslope High/Low Indication
Replies: 17
Views: 6277

RE: Aural Glideslope High/Low Indication

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/pilotpip" class="quote" target="_blank">pilotpip</a> (<a href="#15" class="quote">Reply 15</a>):<br/><i>If AOA was so important (beyond critical...

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by FredT
Tue May 24, 2011 8:25 pm
Forum: Technical/Operations
Topic: Wing Dihedral
Replies: 12
Views: 10864

RE: Wing Dihedral

OTOH, dutch roll is the result of excessive lateral stability combined with relatively weak directional stability, so it is still essentially the same solution to the same problem. You need to decrease lateral stability so you add anhedral.

Cheers,
Fred

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by FredT
Sun May 22, 2011 4:58 pm
Forum: Technical/Operations
Topic: AoA/body Pitch Angle
Replies: 11
Views: 5367

RE: AoA/body Pitch Angle

Most aircraft have a marked pitch down on the ground in order to keep the wing at the zero-lift angle of attack, minimizing the amount of induced drag, during the take-off roll. This way, the wing only starts generating lift (and induced drag) when the aircraft rotates.

Cheers,
Fred

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by FredT
Sun May 22, 2011 4:54 pm
Forum: Technical/Operations
Topic: Wing Dihedral
Replies: 12
Views: 10864

RE: Wing Dihedral

The pendulum effect isn't. <i>Very</i> interested readers can check out <a href="http://www.airliners.net/aviation-forums/tech_ops/read.main/228245/?threadid=228245">this thread</a>, where it is discussed in detail. Less extremely interested readers can check out <a href="http://www.av8n.com/how/htm...

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by FredT
Mon Mar 07, 2011 9:24 pm
Forum: Technical/Operations
Topic: How Do Single Pilots Go To The Toilet?
Replies: 58
Views: 52636

RE: How Do Single Pilots Go To The Toilet?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Birdwatching" class="quote" target="_blank">Birdwatching</a> (<a href="#10" class="quote">Reply 10</a>):<br/><i>It's fun to drop the plastic bag...

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by FredT
Thu Jan 20, 2011 9:07 pm
Forum: Technical/Operations
Topic: How Will Gnss And RNP Impact On Civil Aviation Ops
Replies: 8
Views: 5878

RE: How Will Gnss And RNP Impact On Civil Aviation Ops

Direct routes instead of sticking to airways. Here's one description of the impact it has on civil aviation ops today.

4D trajectories.

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by FredT
Wed Jan 19, 2011 7:58 am
Forum: Technical/Operations
Topic: Learning To Fly With A Hearing Impairment
Replies: 12
Views: 5160

RE: Learning To Fly With A Hearing Impairment

Here's another story. Guy with a serious hearing impairment who flew around the world.

Edit: Apparently he holds a class I medical. Not under the FAA though.

[Edited 2011-01-19 00:02:53]

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by FredT
Sat Jan 15, 2011 11:10 pm
Forum: Technical/Operations
Topic: Airbags In Small Aircraft Needed?
Replies: 14
Views: 4837

RE: Airbags In Small Aircraft Needed?

While airbags of course are beneficial, in the right circumstances, there are a couple of things I'd like to see before we mandate them. Manual inertia reel locks. Helmets. Four-point harnesses. Five-point harnesses. Belt tighteners. In cars these days, the structural integrity of the "cabin" is oft...

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by FredT
Sat Jan 15, 2011 10:47 pm
Forum: Technical/Operations
Topic: How Are Passenger Oxygen Masks Deployed?
Replies: 35
Views: 22930

RE: How Are Passenger Oxygen Masks Deployed?

The masks are triggered by the pilots thinking about uttering an expletive. I have solid evidence, as there's always an "oh #*¤&" over the intercom the moment after the masks come dropping down when they shouldn't... <img src="http://cdn-www.airliners.net/aviation-forums/graphics/smilies/bi...

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by FredT
Tue Dec 28, 2010 12:21 am
Forum: Technical/Operations
Topic: Why Is 110.3 Such A Common ILS Freq?
Replies: 17
Views: 6455

RE: Why Is 110.3 Such A Common ILS Freq?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/KELPkid" class="quote" target="_blank">KELPkid</a> (<a href="#8" class="quote">Reply 8</a>):<br/><i>Just for kicks and grins, anyone know what t...

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by FredT
Sun Dec 26, 2010 11:06 am
Forum: Technical/Operations
Topic: Lasik And Becoming A Commercial Pilot
Replies: 8
Views: 10109

RE: Lasik And Becoming A Commercial Pilot

CX,
two posts up.  

LASEK (which is a developed form of PRK).

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by FredT
Sat Dec 25, 2010 3:45 pm
Forum: Technical/Operations
Topic: Lasik And Becoming A Commercial Pilot
Replies: 8
Views: 10109

RE: Lasik And Becoming A Commercial Pilot

Avoid LASIK for sure. If you want to fly, the only procedure you should consider is LASEK. Larger treated area with less risk of halo phenomena at night, less risk of dry eyes, less risk of complications down the road (such as the "lid" cut for LASIK going wavy a few years down the road). The only a...

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by FredT
Thu Oct 14, 2010 7:46 pm
Forum: Technical/Operations
Topic: Where Do Commercial Airliners Do Their Run Up?
Replies: 30
Views: 12607

RE: Where Do Commercial Airliners Do Their Run Up?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/contrails15" class="quote" target="_blank">contrails15</a> (<a href="#1" class="quote">Reply 1</a>):<br/><i>Oh, FYI, FO's HATE being called co p...

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by FredT
Tue Oct 12, 2010 9:35 pm
Forum: Technical/Operations
Topic: Landing (Touchdown) Speed
Replies: 19
Views: 12314

RE: Landing (Touchdown) Speed

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Goldenshield" class="quote" target="_blank">Goldenshield</a> (<a href="#2" class="quote">Reply 2</a>):<br/><i>Just as a rough estimate, since la...

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by FredT
Mon Sep 20, 2010 5:59 pm
Forum: Technical/Operations
Topic: Localizer And VOR Antenna Question
Replies: 9
Views: 24021

RE: Localizer And VOR Antenna Question

The conical center antenna shown is part of the VOR itself. The rod resembling a largish cell phone antenna would be your <acronym title="Moscow - Domodedovo (DME / UUDD), Russia">DME</acronym>. <a href="http://www.scribd.com/doc/36326940/Vor" target="_blank">http://www.scribd.com/doc/36326940/Vor</a>

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by FredT
Fri Aug 20, 2010 11:33 am
Forum: Technical/Operations
Topic: FAA To Replace "Position And Hold" Eff Sep 30th
Replies: 86
Views: 11943

RE: FAA To Replace "Position And Hold" Eff Sep 30th

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/DashTrash" class="quote" target="_blank">DashTrash</a> (<a href="#57" class="quote">Reply 57</a>):<br/><i>As far as moving the transition level,...

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by FredT
Wed Aug 18, 2010 10:17 pm
Forum: Technical/Operations
Topic: FAA To Replace "Position And Hold" Eff Sep 30th
Replies: 86
Views: 11943

RE: FAA To Replace "Position And Hold" Eff Sep 30th

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/CosmicCruiser" class="quote" target="_blank">CosmicCruiser</a> (<a href="#24" class="quote">Reply 24</a>):<br/><i>Now let's throw in those trick...

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by FredT
Thu Jul 29, 2010 11:41 am
Forum: Technical/Operations
Topic: Runway Width, What Determines It?
Replies: 15
Views: 20622

RE: Runway Width, What Determines It?

For the rest of the world the recommendation on runway widths is given in ICAO Annex 14, §3.1.10.

Cheers,
Fred

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by FredT
Mon Jul 26, 2010 6:52 am
Forum: Technical/Operations
Topic: What Do Passengers Die From In A Crash?
Replies: 26
Views: 7725

RE: What Do Passengers Die From In A Crash?

I heard about flailing injuries followed by post-crash fire caused a lot of lost lives in some otherwise survivable crashes. Flailing injuries due to the deceleration meant broken legs and people unable to get out of the wreckage on their own, and then there was fire. Most horrible, and made me wond...

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by FredT
Sat Jul 24, 2010 6:46 am
Forum: Technical/Operations
Topic: What Does It Take To Implement Steep Approach?
Replies: 13
Views: 6748

RE: What Does It Take To Implement Steep Approach?

Moving the antennas means a full recomissioning of the GP. A day of flying, not just a few approaches.

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by FredT
Mon Jul 12, 2010 10:17 pm
Forum: Technical/Operations
Topic: How Do Pilots Know When Turbulence Is Ahead?
Replies: 27
Views: 26300

RE: How Do Pilots Know When Turbulence Is Ahead?

The weather radar, which is mounted in the nose of the aircraft with a scope in the cockpit, will show the storm cells (cumulunimbus clouds). These contain major up- and downdraughts which is felt as turbulence. Clear air turbulence, such as encountered when going into and out of the jet streams, do...

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by FredT
Mon Jul 05, 2010 6:10 pm
Forum: Technical/Operations
Topic: Regulations Re: Matching Bags And Pax Manifests?
Replies: 10
Views: 6117

RE: Regulations Re: Matching Bags And Pax Manifests?

In my neck of the woods, it is in the security regulations (which, I believe, are a rather straight translation of EU-dictated regs) that bags don't fly sans their associated pax. Been that way since my ramping days ten years ago, at least. Pax not showing at gate, bags come out until the offending ...

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by FredT
Sun Jul 04, 2010 4:43 pm
Forum: Technical/Operations
Topic: Glider Pilots...Ever IFR In Glider?
Replies: 57
Views: 16828

RE: Glider Pilots...Ever IFR In Glider?

I doubt anyone can ever fly IFR in a glider, but if someone can show me a set of regulations under which it is possible I'm all ears. IMC, though, that's possible and routinely done in many parts of the world - legally, in sectors set aside for clour flying. Inadvertent IMC happens too, even though ...

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by FredT
Thu Jul 01, 2010 6:35 am
Forum: Technical/Operations
Topic: Seat Pitch Vs. Comfortable Seating
Replies: 9
Views: 3735

RE: Seat Pitch Vs. Comfortable Seating

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/tdscanuck" class="quote" target="_blank">tdscanuck</a> (<a href="#3" class="quote">Reply 3</a>):<br/><i>I've found the opposite...I'd much rathe...

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by FredT
Mon Jun 14, 2010 3:54 pm
Forum: Technical/Operations
Topic: How Is Mtow Determined?
Replies: 9
Views: 12442

RE: How Is Mtow Determined?

Maximum design take off weight is typically a structural limitation. In other words, above (design) MTOW you'll overstress components. Theoretically it could be a performance limitation, i e the maximum weight at which the aircraft can satisfy the performance requirements, but then the airframe woul...

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by FredT
Sun May 23, 2010 5:57 pm
Forum: Technical/Operations
Topic: Passenger Count When Carrying Bodies
Replies: 13
Views: 5648

RE: Passenger Count When Carrying Bodies

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Daleaholic" class="quote" target="_blank">Daleaholic</a> (<a href="#10" class="quote">Reply 10</a>):<br/><i>I'm a dispatcher...</i></font></td><...

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by FredT
Sun May 23, 2010 7:09 am
Forum: Technical/Operations
Topic: I Want A Job At Boeing
Replies: 62
Views: 15188

RE: I Want A Job At Boeing

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Fly2HMO" class="quote" target="_blank">Fly2HMO</a> (<a href="#8" class="quote">Reply 8</a>):<br/><i>Well of course, you can go to those pilot fa...

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by FredT
Sun May 23, 2010 6:59 am
Forum: Technical/Operations
Topic: Passenger Count When Carrying Bodies
Replies: 13
Views: 5648

RE: Passenger Count When Carrying Bodies

I was hoping for a dispatcher to fill in, but as they haven't I'll add that I do remember something about procedures to document bodies on board. Following a crash, the rescue crews check the load manifest/passenger manifest to verify that everyone on board is accounted for. Thus they need to know t...

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by FredT
Sat May 22, 2010 8:18 am
Forum: Technical/Operations
Topic: Explain These Uneven Exhaust Plumes
Replies: 11
Views: 4371

RE: Explain These Uneven Exhaust Plumes

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Fly2HMO" class="quote" target="_blank">Fly2HMO</a> (<a href="#0" class="quote">Thread starter</a>):<br/><i>The only explanation I can think of i...

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by FredT
Sat May 22, 2010 8:14 am
Forum: Technical/Operations
Topic: Need Help On Decoding Sigmet
Replies: 9
Views: 17108

RE: Need Help On Decoding Sigmet

jgarrido is on it, I'd say. Squall line of thunderstorms with tops between FL260 and FL300 between longitude 017 30 and 019 00 east moving <acronym title="Air Namibia">SW</acronym> through LHCC FIR. No latitude given should mean it goes N-S straight through the FIR, which I verified through checking...

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by FredT
Sat May 22, 2010 8:02 am
Forum: Technical/Operations
Topic: I Want A Job At Boeing
Replies: 62
Views: 15188

RE: I Want A Job At Boeing

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Fly2HMO" class="quote" target="_blank">Fly2HMO</a> (<a href="#5" class="quote">Reply 5</a>):<br/><i>That's one thing that REALLY grinds my gears...

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by FredT
Sat May 08, 2010 8:07 pm
Forum: Technical/Operations
Topic: Access To NOTAMs For Europe
Replies: 4
Views: 9205

RE: Access To NOTAMs For Europe

Quick check of the last one at airports I'm familiar with reveals that it seems to omit a lot of NOTAMs, at least on the sunrise side of the pond. Don't trust it. On a related note, does anyone know where/how to get access to coded NOTAMs, i e with the "G)" etc coding left intact? Can't seem to get ...

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by FredT
Sun Apr 25, 2010 8:12 am
Forum: Technical/Operations
Topic: Roller Coaster Feeling When Descending
Replies: 18
Views: 5745

RE: Roller Coaster Feeling When Descending

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/web500sjc" class="quote" target="_blank">web500sjc</a> (<a href="#10" class="quote">Reply 10</a>):<br/><i>Wouldn't the happy medium be one where...

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by FredT
Tue Apr 20, 2010 6:58 pm
Forum: Technical/Operations
Topic: Typeface Used On Airfield Signage
Replies: 10
Views: 9392

RE: Typeface Used On Airfield Signage

The symbols to be used is specified, letter for letter, in ICAO Annex 14 Appendix A. No typeface given by name, just what each individual letter/numer is supposed to look like.

Not saying it isn't the same, just how it is specified.

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by FredT
Mon Apr 19, 2010 8:57 pm
Forum: Technical/Operations
Topic: How Can We Maintain A Constant Rate Of Descent?
Replies: 6
Views: 9443

RE: How Can We Maintain A Constant Rate Of Descent?

Uhm... no acceleration in a steady descent, hence Sigma F = 0 due to a =0. Descent, climb, level (which will basically always be either a slight climb or a descent anyway), they all work pretty much the same as far as flight dynamics go. Downwards acceleration until angle of attack increases to the ...

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by FredT
Mon Apr 19, 2010 7:26 am
Forum: Technical/Operations
Topic: Can An Engine Still Run After A Crash?
Replies: 23
Views: 10961

RE: Can An Engine Still Run After A Crash?

There also was the A340 destined for Etihad which ran over the berm during an engine runup at the manufacturer. Several engines kept running, even though the entire forward fuselage had broken off, again causing difficulties for the emergency crews.

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by FredT
Sat Apr 17, 2010 10:42 am
Forum: Technical/Operations
Topic: My New Aopa Air Crew Photo ID
Replies: 12
Views: 12013

RE: My New Aopa Air Crew Photo ID

And when it comes right down to it, you can hold up a card from a Monopoly set, as they treat anyone with gold bars as crew and anyone without as a misguided piece of <acronym title="Salt Lake City - International (SLC / KSLC), USA - Utah">SLC</acronym> regardless of card status. In either case, the...

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by FredT
Sat Apr 03, 2010 5:44 pm
Forum: Technical/Operations
Topic: Effect Of Carbon Fiber Material In An Accident
Replies: 13
Views: 12407

RE: Effect Of Carbon Fiber Material In An Accident

Carbon fibre is a pretty serious health concern for rescue crews at crash sites though. You don't want to inhale them, and it is supposed to be pretty nasty to get on your skin too even if there are (last I heard, but this is all word of mouth) not supposed to be any long time effects of skin exposu...

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by FredT
Sat Apr 03, 2010 6:22 am
Forum: Technical/Operations
Topic: Why No More T-Tail Airplanes, Besides Regionals?
Replies: 28
Views: 14930

RE: Why No More T-Tail Airplanes, Besides Regionals?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/bohica" class="quote" target="_blank">bohica</a> (<a href="#11" class="quote">Reply 11</a>):<br/><i>I wouldn't say it causes maintenance problem...

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by FredT
Tue Mar 30, 2010 8:11 pm
Forum: Technical/Operations
Topic: Anhedral Vs Dihedral
Replies: 9
Views: 10893

RE: Anhedral Vs Dihedral

And for complete understanding, including avoiding one of the most common misconceptions which is reiterated in one or two of the linked threads, also read this monster of a thread.

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by FredT
Sat Mar 20, 2010 12:08 pm
Forum: Technical/Operations
Topic: How Many NM To Enable The APP Switch?
Replies: 25
Views: 7137

RE: How Many NM To Enable The APP Switch?

The normal LOC coverage is 25 nm 10 degrees either side of the approach centerline and 17 nm out to 35 degrees either side. In some places, mainly in the US, this has been reduced to 18/10 nm in order to facilitate more facilities in a given area without frequency congestion. There are also extended...

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by FredT
Wed Mar 17, 2010 7:18 pm
Forum: Technical/Operations
Topic: If You Were To Glue A Toolbox To A Hangar Floor.
Replies: 37
Views: 7136

RE: If You Were To Glue A Toolbox To A Hangar Floor.

What's the top coat of the floor... ?

And how much of a raise will you get from it being missing in four spots?

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