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Forum: Tech Log

28th Feb 2017, 23:04

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

Kay Pam Slope is taken into account. I'm not...

Kay Pam

Slope is taken into account. I'm not sure about commercial ops, but USAF we assumed zero wind unless needed then the 50% of the headwind component. In corporate ops (Global Express, pour...

Forum: Tech Log

28th Feb 2017, 22:19

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

Kay Pam, Thanks for your efforts, much...

Kay Pam,

Thanks for your efforts, much obliged. Not to worry about the 1430m runway length, the "test" is a situation where runway available equals accelerate-stop distance of the plane in...

Forum: Tech Log

28th Feb 2017, 22:10

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

Chris, Welcome back! It looks like you...

Chris,

Welcome back! It looks like you haven't aged a day since this old thread. I dug it out thus morning over coffee.

http://www.pprune.org/tech-log/327267-would-you-abort-after-v1-11.html...

Forum: Tech Log

28th Feb 2017, 15:40

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

I was a economics major, a practical pilot, no...

I was a economics major, a practical pilot, no engineering or math. Let me know how it works out, please.

Forum: Tech Log

11th Feb 2017, 21:56

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

We had duscussion here, eons ago, with Old Smokey...

We had duscussion here, eons ago, with Old Smokey et al, (might have involved SSG, JT) on the subject of overruns. First, the risk analyst those classify an overrun as "catastrophic" at, IIRC,...

Forum: Tech Log

11th Feb 2017, 02:13

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

JT, Underpowered is another word for over...

JT,

Underpowered is another word for over gross, I guess. We used 2.3% as minimum gradient a significant reduction from the FAR 25 3.0% for quads. Being a quad, AEO take-off run was quite close...

Forum: Tech Log

10th Feb 2017, 16:34

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

It is about probabilities, more take-offs are on...

It is about probabilities, more take-offs are on dry than wet, so if you more likely to pass that hotel at 15' if we reduced the dry height. Better to have the bigger margin on the more likely...

Forum: Tech Log

10th Feb 2017, 14:53

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

Jw scud, Point taken. My airline experience...

Jw scud,

Point taken. My airline experience was before the days of LOFT profiles. In USAF, all the profiles were LOFT with the required V1 drills tossed in; i.e. You would abort at V1, taxi back...

Forum: Tech Log

9th Feb 2017, 17:01

Replies: 50

Difference in Wet and Dry Screen Height

Views: 21,430

Posted By galaxy flyer

Airmann, I'd suggest reviewing overall...

Airmann,

I'd suggest reviewing overall accident statistics and the number of accidents due to engine failure at Vef on a wet runway at limiting weights. Engine failure is a vanishingly small...

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