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DCA Rwy 1-19

Old 05-13-2022, 06:27 PM
  #1  
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Default DCA Rwy 1-19

The 10-9 lists the length as 7169'.

10-9A lists 6869' in the takeoff distance box. I distinctly remember the 6869' being previously listed on 10-9.

So, an extra 300'. 150' on each end. EMAS add? I don't recall any runway extension programs at the airport. So, any insight why the length value is different between the two pages?
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Old 05-14-2022, 03:46 AM
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Some airports publish takeoff distance available, accelerate/stop distance available and LDA shorter than the actual pavement length to provide a runway safety area. You have to calculate your performance numbers based on the published numbers so it provides a safety margin when thereís not much overrun. No EMAS shown for 1-19.
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Old 05-17-2022, 02:57 PM
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Thank you for the EMAS correction.

Asking another way; why does the 10-9 show 7169' when it previously listed 6869' and there has been no extension of usable runway (to the extent of my knowledge.)?
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Old 05-19-2022, 09:58 AM
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It there was construction in 2012 that added 300 feet to the south end of 1/19. Looks like they keep the old TORA, TODA, ASDA and LDA to provide a safety margin.

https://web.archive.org/web/20120712...eagan/3925.htm
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