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20 votes
Accepted

How do pilots use stopway, EMAS, clearway and displaced threshold?

This is a loaded question. Every regulation in aviation seems to be written blood and the need for runway safety areas (RSA) is no exception. RSAs are defined in AC 150/5300-13A Runway Safety Area (...
wbeard52's user avatar
  • 12.8k
11 votes

What would happen if an aircraft were to touch down on EMAS?

will the plane's momentum carry it on to the main part of the runway unharmed? An aircraft landing on the EMAS must not suffer control problems. According to an EMASMAX document FAA Advisory ...
RedGrittyBrick's user avatar
9 votes

What would happen if an aircraft were to touch down on EMAS?

You'll probably sink in (and have a bad day.) The longer answer is that it depends on how you land. Force from a touchdown on a runway can vary from nearly zero (in an extremely light landing) all ...
reirab's user avatar
  • 19.5k
5 votes

To what requirements / assumptions RSAs & EMAS designed?

I will try to answer as much of this as I can, but there may be some holes to fill: Is RSA/EMAS designed for impact loading at the point of touchdown and to absorb energy of the moving aircraft for ...
Ron Beyer's user avatar
  • 36.2k
5 votes

How does EMAS reduce damage in case of an aircraft overrun?

There is a link in the FAA tweet you link to, you should probably read it. EMASMAX® is the latest, most durable version of ESCO’s EMAS, developed with and technically accepted by the FAA. EMASMAX ...
Notts90's user avatar
  • 3,569
4 votes

What prevents the use of an EMAS along the sides of a runway?

I can think of a couple reasons why you might not want to expand EMAS all around the edges of the runway. One is simply cost vs benefit: If it is more likely that an airplane will run off the end of ...
Michael Hall's user avatar
1 vote
Accepted

What prevents the use of an EMAS along the sides of a runway?

I can think of two general reasons not to place EMAS all around the runway. First, it would massively increase the amount of space required for a runway. Some airports might have that space to spare, ...
Pondlife's user avatar
  • 71.8k

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