AviationAddict
Topic Author
Posts: 630
Joined: Sun Feb 05, 2006 2:37 am

What's The Average MD-80 Landing Distance?

Fri Mar 10, 2006 7:56 am

Anyone know on average how much real estate an MD-80 needs to land safely?

I was at DCA yesterday and a DL MD-88 came in a little too hot and high and to make things worse, the departing US Express Emb 170 was still on the runway when the MD-80 flew over Gravelly Point which lies a couple hundred yards shy of the threshold. I expected the DL flight to go-around but the pilot decided to go for the landing and as a result it didn't actually touch down until it was nearly half-way down the runway (which isn't a terribly long runway to begin with). I was impressed that the pilots were able to bring the plane down to a stop without any more drama than a normal landing. I imagine they were hard on the brakes though!
 
A300605R
Posts: 124
Joined: Wed Nov 16, 2005 7:11 am

RE: What's The Average MD-80 Landing Distance?

Fri Mar 10, 2006 8:24 am

I can't prove it, but from my experience:
when landing at SCN, I always look at the touchdown zone indicators, and with JK 's and LBT 's MD80, we rolled slowly after about 5200ft (the runway has 6560ft)...
Guess 5000ft will be more than enough if the runway is dry.


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pwm2txlhopper
Posts: 1155
Joined: Tue Jan 27, 2004 10:40 am

RE: What's The Average MD-80 Landing Distance?

Fri Mar 10, 2006 2:59 pm

There's not really an average distance for an MD-80 or any other aircraft to land. There are a lot of variables that will determine how much runway is used including the aircraft weight, air temperature, air speed, etc.
I've seen DL MD-88s turn off at the 3,000 ft marker after landing before and I've also seen them turn off at 6,000 ft plus, so many things will determine how much runway is needed for landings.

[Edited 2006-03-10 07:01:00]
 
AviationAddict
Topic Author
Posts: 630
Joined: Sun Feb 05, 2006 2:37 am

RE: What's The Average MD-80 Landing Distance?

Fri Mar 10, 2006 3:32 pm

Quoting PWM2TXLHopper (Reply 2):
There's not really an average distance for an MD-80 or any other aircraft to land.

Not to be a pain, but there will always be an average, the average of the two distances you gave would be 4500 feet. Maybe I should change my words though, what is the tyipcal or normal distance under good conditions?
 
AA717driver
Posts: 1502
Joined: Tue Feb 12, 2002 8:27 am

RE: What's The Average MD-80 Landing Distance?

Sat Mar 11, 2006 12:08 am

Yeah, if you REALLY want to split hairs, you can take the recorded landing distance (if you had that data) of every MD80 on every leg from the first flight to the last one is flown to the boneyard and get an "average".  Yeah sure

In reality, there is no average. There is a range to expect but the variables are nearly infinite. What's the landing weight? What's the slope of the runway? Wind speed and direction (giving true headwind component)? Which airplane is it (yes, individual aircraft have distinct flying qualities)? When were the brakes overhauled and have they been abused since then? How fast do the T/R's deploy and the engines spool up (refer to the "which airplane is it" question)?

Flying an airplane is an art, not a science.  Wink TC
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