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flynhigh

Future T-38 replacement?

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I’m not a military pilot, but I’m in the “youth” spectrum that may use these aircraft and I’ve been using touch screen GPS in various aircraft lately. Most recently, used a Garmin GTN 650 in my multi engine training. Trying to simply tune in a radio frequency on a touch screen GPS, while single engine, in turbulence, under the hood, and in congested airspace doesn’t make life easier. 

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On 2/7/2018 at 4:12 PM, LookieRookie said:

 

Boeing says when designing the cockpit it had today’s youth in mind—a generation raised with smartphones and tablets that have few, if any, physical buttons. It has tried to eliminate as many knobs and switches as possible by consolidating them into a virtual touchscreen architecture.

“Brand-new features include the avionics large-area display, the up-front control, and the touchscreen technology,” Boeing T-X Chief Test Pilot Steve Schmidt says. “We’ve really tried to put as much functionality on there as we could and take as many mechanical switches out of the cockpit.”

Sounds exactly like lockheed's brief during the F-35 factory tour I went on 10 years ago.  They were bragging that they wanted a 'virtual gear handle' to go with all the other touchscreen tech, but DOD made them put in a real handle so pilots would feel better about it...

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My airline recently started installing touch screens in place of physical CDUs. They suck donkey balls. My opinion is that touch screens have very limited applications in aviation, if any. Boeing, I’m sure, sees it as a cost saving measure. If you have to have a display anyway, why not incorporate the buttons into the screen vs installing physical keys. I think the trend is probably here to stay. 

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The 787 has a cursor control like a touchpad on a laptop but it has a hand rest so your hand isn't bouncing around excessively.  Some are touch sensitive and therefore very quick and skittish and you can find yourself zipping over 4 screens quickly.  If they could dampen that out, it would be more user friendly, particularly in rough air.  Screen displays are nice.  If you don't need it, you don't see it.  For instance, once the gear is up, no more gear indicator, same for flaps.  Cabin pressure, etc. not displayed unless abnormal.  I think a touch screen would be a pain in the ass.

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10 hours ago, Hopefulflyer389 said:

I’m not a military pilot, but I’m in the “youth” spectrum that may use these aircraft and I’ve been using touch screen GPS in various aircraft lately. Most recently, used a Garmin GTN 650 in my multi engine training. Trying to simply tune in a radio frequency on a touch screen GPS, while single engine, in turbulence, under the hood, and in congested airspace doesn’t make life easier. 

Bingo. You want some things to be tacticle and always available at a moments notice, not buried in a screen. Reference professional SLR cameras. Still have a bunch of buttons because it’s good human factors. 

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1 hour ago, SurelySerious said:

Bingo. You want some things to be tacticle and always available at a moments notice, not buried in a screen. Reference professional SLR cameras. Still have a bunch of buttons because it’s good human factors. 

Ditto.

Saw a video on the Orion spacecraft system and it was designed specifically with plenty of dials, switches, physical buttons, etc. for human factors and with touchscreen capacity for reversion capability.

3186E15D00000578-3462708-image-a-40_1456

20 lb. brains working on a multi-billion dollar spacecraft think keeping a conventional control system is a good idea, it probably is.

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6 hours ago, SurelySerious said:

Bingo. You want some things to be tacticle and always available at a moments notice, not buried in a screen. Reference professional SLR cameras. Still have a bunch of buttons because it’s good human factors. 

In the C-130 (classic and J models) tactile switch difference is clutch in several time sensitive situations (airdrop, NVG airland, etc).  Several switches require touch only for identification, and that streamlines human factors. Touch screens are neat a ground speed zero, but they reduce capability in a tactical and time sensitive environment because they require visual verification (a.k.a. diverted attention).  Compound that with turbulence, smoke/fumes, and task saturation, and those screens will be a liability.  Thank engineers, but i'll keep my switches.

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On 2/8/2018 at 1:06 PM, Prozac said:

My airline recently started installing touch screens in place of physical CDUs. 

Saw a picture of one of these the other day.  Looked essentially identical to our FMS recreated entirely on a touchscreen.  My first thought was, I would waste a lot of time punching the wrong buttons.  I suspect changing your active waypoint, altitudes, airspeeds, etc in the box on climbout on a nice bumpy day would be a PITA.

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