Rydawg82 From United States of America, joined Sep 2001, 870 posts, RR: 7 Posted (13 years 11 months 3 days 19 hours ago) and read 2013 times:
Ok, I tried searching a little bit thru the forums and was unable to locate an answer, hopefully I wont offend with a duplicate question....
Can anyone explain the benefit or reason for the black marking on wings...TWA seemed to have the marking on most of their aircraft....I noticed this weekend, ALL united 737-x00's had this black marking....Can anyone shed some light???
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Zebfly2 From United States of America, joined Aug 2001, 417 posts, RR: 1
Reply 1, posted (13 years 11 months 3 days 18 hours ago) and read 1981 times:
It is my understanding that the black markings had something to do with icing on the wings.I recall reading somewhere in the past that the marking are checked to see if ice has built up on the wings while it is on the ground. If this info is correct or incorrect, please reply. Thanks.
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UA752 From United States of America, joined Jan 2001, 142 posts, RR: 2
Reply 2, posted (13 years 11 months 3 days 17 hours ago) and read 1962 times:
I believe that it is for the pilot. It makes it easier for him to see ice buildup on the wings. Its easier to see ice on a black surface rather than on the gray color of the wings where it seems to blend in with the surface.
Murf From United States of America, joined Nov 2000, 145 posts, RR: 0
Reply 3, posted (13 years 11 months 3 days 16 hours ago) and read 1955 times:
If the black paint markings you are referring to is on the most outboard leading edge slat of each wing, then the other guys are correct. Its for visual ice detection. My neighbor is a United mechanic and I asked him the same question. They have been painting it on the 737's during C checks for the past year or so.