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Prop blast???

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UnAnswerd

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Joined
Sep 13, 2004
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607
On a few occasions, we've been taxiing with another aircraft ahead of us. When they neared the hold-short line, they angled the aircraft at about a 45-degree angle, apparently to avoid blasting us with their prop during the runup. But I was thinking, what's the big deal??? A typical light trainer sees airspeeds of +100MPH all the time. What's the big deal about a stupid prop blast??? I appreciate the courtesy, but really do not understand the point.

Edit: Is it because of possible dust/dirt being on the taxiway???
 
Dust can be an issue, the wash can pick up rocks and other debris that can scratch up the unfortunate guy behind you. I know I wouldn't want any crappy scratches on my newly painted 182. It is just a general good thing to do and a respectful thing to do for the guy behind you. If that wasnt convincing enough, think if you launched a rock and cracked a windshield, donno if it would actually crack, but you might get yelled at by the guy, so I just don't risk it.
 
Depending on where the taxiway is with regard to the runway it can also aid in engine cooling. Some people I know actually turn straight into the wind for their run-up...that’s a little excessive if you ask me though.
 
well, if they're going to the hold short line and are angling it, do you think that it might be to get a better view of any aircraft on final? i know that's why i angle my airplane when holding short of the active.
 
cforst513 said:
well, if they're going to the hold short line and are angling it, do you think that it might be to get a better view of any aircraft on final? i know that's why i angle my airplane when holding short of the active.
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Never done that. You must fly out of an uncontrolled field.
 
UnAnswerd said:
Never done that. You must fly out of an uncontrolled field.
Click to expand...
nope. EVB has a control tower, but are you willing to put your life 100% in the other guy's hands when you have the opportunity to look out for yourself? does it hurt to have that little extra safety margin? not at all. that's why i angle my aircraft. remember, no man is perfect, and for the one A/C that slips through the cracks of ATC and causes an accident, well, do you want that to be you? i don't want it to be me. that's why i try to take as many precautions as possible. rather safe than sorry.
 
cforst513 said:
nope. EVB has a control tower, but are you willing to put your life 100% in the other guy's hands when you have the opportunity to look out for yourself? does it hurt to have that little extra safety margin? not at all. that's why i angle my aircraft. remember, no man is perfect, and for the one A/C that slips through the cracks of ATC and causes an accident, well, do you want that to be you? i don't want it to be me. that's why i try to take as many precautions as possible. rather safe than sorry.
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Your alloted soapbox time is up, please give the soapbox to the next in line. ;)
 
You guys are doing run ups?? :)
 
WIPilot said:
Your alloted soapbox time is up, please give the soapbox to the next in line. ;)
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You.... um, your.... MOM's time is up!!! yeeeeeeeah, whaddya think of me now?!?





ok, that doesn't quite work, does it? i give up. this box is too high anyways. i'm afraid of heights...
 
cforst513 said:
nope. EVB has a control tower, but are you willing to put your life 100% in the other guy's hands when you have the opportunity to look out for yourself? does it hurt to have that little extra safety margin? not at all. that's why i angle my aircraft. remember, no man is perfect, and for the one A/C that slips through the cracks of ATC and causes an accident, well, do you want that to be you? i don't want it to be me. that's why i try to take as many precautions as possible. rather safe than sorry.
Click to expand...

cforst you are right. I'll say though, my instructor has never illuded to need/idea to do this. I will keep it in mind though.
 
Stopping your plane at an angle at the hold short line to see final is usually done in high-wing airplanes since the wing will block the view of final if you stop perpendicular to the runway. If you are in a PA-28 or other low-wing airplanes, your view of final is usually fine without stopping at an angle to the hold short line.
 
wow c fORST, i agree with ya for once

we angle it for a better view in high wings like hudro said.

as far as being courtious to another plane behind you, personally i dont care whos behind me getting blasted by the mighty 110 HP lyco from my mighty 152, sometimes a 152II.

tony c i would like to know your input on the subject:)
 
I always look, and if it means angle on the plane, that's what I do. Here at home, I do the runup looking at the opposite direction of takeoff, to see anyone that might be coming in. I also wait a little while after the plane ahead of me takes off, because I have been tossed just after rotation, twice, and I won't do it again.
Okay, that's 600, got to do some work
 
First, the prop blast can wrench the controls from your hand and cause control surface damage.

Second, I always do a clearing turn prior to taking the active, controlled or uncontrolled fields. Remember the jet that landed on the commuter plane at LAX a few years ago?
 
At LAX, I don't think you can blame the aircraft holding in position with respect to not looking, it can be difficult to judge distances of large aircraft looking straight into their flightpath. Here's the NTSB's take on probable cause...

THE FAILURE OF THE LOS ANGELES AIR TRAFFIC FACILITY MANAGEMENT TO IMPLEMENT PROCEDURES THAT PROVIDED REDUNDANCY COMPARABLE TO THE REQUIREMENTS CONTAINED IN THE NATIONAL OPERATIONAL POSITION STANDARDS AND THE FAILURE OF THE FAA AIR TRAFFIC SERVICE TO PROVIDE ADEQUATE POLICY DIRECTION AND OVERSIGHT TO ITS AIR TRAFFIC CONTROL FACILITY MANAGERS. THESE FAILURES CREATED AN ENVIRONMENT IN THE LOS ANGELES AIR TRAFFIC CONTROL TOWER THAT ULTIMATELY LED TO THE FAILURE OF THE LOCAL CONTROLLER 2 (LC2) TO MAINTAIN AN AWARENESS OF THE TRAFFIC SITUATION, CULMINATING IN THE INAPPROPRIATE CLEARANCES AND THE SUBSEQUENT COLLISION OF THE USAIR AND SKYWEST AIRCRAFT. CONTRIBUTING TO THE CAUSE OF THE ACCIDENT WAS THE FAILURE OF THE FAA TO PROVIDE EFFECTIVE QUALITY ASSURANCE OF THE ATC SYSTEM. (NTSB REPORT AAR-91/08)

From here...

http://ntsb.gov/ntsb/brief.asp?ev_id=20001212X16433&key=1

Lilah
 
gkrangers said:
Yeah...looking out for yourself is especially important at EVB.
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heck yes it is!!! what, with all those Riddle students clogging our runways and taxiways!!! ;)
 
When I do a run up, I don't like anyone near me or watching.

It's a private thing, like peeing in the bushes, you can't pee near someone, it's just weird.
 
Performance anxiety eh? :)
 
gkrangers said:
Just wait till Riddle is back in full session....EVB will be using intersecting runways...its downright scary.
Click to expand...
swell. i'll be looking forward to that....
 

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