Runway marking question.
03-29-2007 | 08:56 AM
#1
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Gets Weekends Off
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From: PA-44 Left
Runway marking question.
I don't have a picture, but on the runway, there are 2 bars both sides of the runway center line. what are these called, and the purpose?
Thanks.
If somebody finds a picture, please post it.
Thanks.
If somebody finds a picture, please post it.
Last edited by Longbow64; 03-29-2007 at 09:29 AM.
03-29-2007 | 09:23 AM
#2
Organizational Learning
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From: Directly behind the combiner
Look in Section 3 of Chapter 2 (Page 2-3-1). Is what you're looking for in Figures 2-3-1 or 2-3-2?
Are you referring to the "Aiming Point Marking"?
2-3-3. Runway Markings
d. Runway Aiming Point Marking. The aiming point marking serves as a visual aiming point for a landing aircraft. These two rectangular markings consist of a broad white stripe located on each side of the runway centerline and approximately 1,000 feet from the landing threshold, as shown in FIG 2-3-1, Precision Instrument Runway Markings.
.
03-29-2007 | 09:26 AM
#4
Chief Jeppesen Updater
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From: Executive Transport Driver
I'm guessing that you're referring to the fixed distance markers on runways that have instrument approaches. The two big bars are touchdown zone markings (aiming point). The other markers are placed at 500' intervals to allow greater situational awareness as a pilot flies down the runway.
Here's a link that describes all fo the runway/taxiway markings:
http://www.faa.gov/airports_airtraff...2/aim0203.html
Here's a link that describes all fo the runway/taxiway markings:
http://www.faa.gov/airports_airtraff...2/aim0203.html
03-29-2007 | 09:37 AM
#5
Organizational Learning
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From: Directly behind the combiner
In that case, I believe you're referring to the pairs of markings, two on one side, and two on the other side of the centerline. They are part of the Runway Touchdown Zone Markers.
2-3-3. Runway Markings
e. Runway Touchdown Zone Markers. The touchdown zone markings identify the touchdown zone for landing operations and are coded to provide distance information in 500 feet (150m) increments. These markings consist of groups of one, two, and three rectangular bars symmetrically arranged in pairs about the runway centerline, as shown in FIG 2-3-1, Precision Instrument Runway Markings. For runways having touchdown zone markings on both ends, those pairs of markings which extend to within 900 feet (270m) of the midpoint between the thresholds are eliminated.
The two rectangular bars arranged symmetrically about the centerline would mark 1,500 feet and 2,000 feet beyond the Runway Threshold.Here's a link that describes all fo the runway/taxiway markings:
http://www.faa.gov/airports_airtraff...2/aim0203.html
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Last edited by TonyC; 03-29-2007 at 09:46 AM. Reason: Misread the answer :)
04-03-2007 | 07:50 AM
#7
Prime Minister/Moderator
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From: Engines Turn or People Swim
The TDZ markings are designed to provide a consistent situational reference for airplanes breaking out at minimums on a precision approach (ILS or WAAS)...that way the pilot doesn't have to deal with inconsistent visual cues from one airport to the next. These markings are considered part of the precision approach system.
04-03-2007 | 08:21 AM
#8
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From: Lav
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