Scott@KTYR
Pattern Altitude
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- Oct 12, 2013
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Scott@KTYR
I shoot 6 approches a month. 3 with AP and 3 hand fly.
Tell that to the two dreamers in front of Colgan 3407...
Besides, arguing one is good at FMS wizardry is like winning at the special olympics.
AHRS failure DA40 style, means going right to the analog three high in the center panel....I don't know how often the AHRS in the DA-40 fails, but unlike the Cirrus G1000 package, there's only one AHRS in the Diamond G1000. My experience killing that in flight with DA-40 pilots suggests many of them are totally flummoxed by the problems presented if that happens until we've spent a couple of hours talking and flying with that situation. Many folks shy away from really pulling c/b's, and for them we have a number of ATD's which very well simulate this problem (including the FlyThisSim TouchTrainer), but you absolutely cannot create a valid simulation of this one in flight just by covering things, and going to the reversionary mode doesn't even come close to training people to deal with it. No doubt there are other similar issues with other glass panel systems, and it's up to the folks flying/instructing in them to take the initiative to train on it periodically.
Dumb question since I haven't done any IFR training yet - but what is the backup procedure if there is an electrical failure that takes out your radios, including glide slope, GPS, and so on? How do you hand fly down through clouds to a safe landing?
As a practical matter, it's usually not a question of "how will I do an instrument approach to get it down" but rather "how do I get to some VFR conditions". Knowing the heading that takes one to improving conditions and away from low IFR is very useful in such conditions.Dumb question since I haven't done any IFR training yet - but what is the backup procedure if there is an electrical failure that takes out your radios, including glide slope, GPS, and so on? How do you hand fly down through clouds to a safe landing?
I've got my Garmin Aera 510 (which includes that 5-instrument panel display) plus an iPad with ForeFlight. Combine that with my five remaining flight instruments (vacuum AI, vacuum HI, A/S, Alt, VSI) plus hand-held comm radio (plugged into the external antenna jack on the panel), and I can get down just fine. But back 40 years ago, it would have been those five flight instruments plus the hand-held comm looking for a PAR at a military base to get in. Since PAR's are now pretty much extinct, it's nice to have all that hand-held technology in the cockpit these days.Dumb question since I haven't done any IFR training yet - but what is the backup procedure if there is an electrical failure that takes out your radios, including glide slope, GPS, and so on? How do you hand fly down through clouds to a safe landing?
While that does for flight instrumentation, there is no backup CDI, so you need to know how to use the degraded-state CDI display on the PFD to fly an approach -- and that is significantly harder than using an old-fashioned mechanical CDI. You also have to spread your basic scan over a very large area. My experience is that pilots who haven't practiced it recently can't do it well enough to fly a safe approach.AHRS failure DA40 style, means going right to the analog three high in the center panel....
That's happened to me twice -- electrical smoke in the cockpit, master-OFF, revert to hand-held and get it on the ground ASAP. Fortunately, both happened on nice VFR days with a good airport nearby, but...If you're talking alternator failure you've still got battery power to get you down. If somehow your entire electrical system is fried then...
If somehow your entire electrical system is fried then hopefully your aircraft has backup vacuum driven instruments to either do a PAR...
Biggest problem doing a PAR these days is finding an airport within fuel range that has one.Isn't it kind of hard to do a PAR without radios?
AHRS failure DA40 style, means going right to the analog three high in the center panel....
While that does for flight instrumentation, there is no backup CDI, so you need to know how to use the degraded-state CDI display on the PFD to fly an approach -- and that is significantly harder than using an old-fashioned mechanical CDI. You also have to spread your basic scan over a very large area. My experience is that pilots who haven't practiced it recently can't do it well enough to fly a safe approach.
You can do that, but it's hard to see precise lateral deviation without zooming way in. Also, folks often have trouble keeping their scan going over that wide an area. I think you might do better to hit the big red button so you get the MFD info on the PFD in front of you, which reduces the amount of panel space you have to scan -- something I'd like to try with a few trainees to see if I helps.don't forget that you can still load up a RNAV approach and use the MFD to position yourself on it. It helps to go to AUX, 3rd page, MFD DATA BAR FIELDS and change something less useful to XTK (crosstrack) - that'll show you how far off you are and whether it's left or right of the desired.
IPC's every six months. I do every other one in a simulator and my CFI doesn't let me use autopilot on my IPC'S!
I use the AP when I'm actually doing an instrument approach, but with an IPC every six months practicing hands on approaches, holdings, and partial panels, I feel prepared if it's not available.
Good thread. I have to confess, I haven't flown a coupled approach since getting my ticket. I use the AP in cruise all the time, but typically disengage it before I'm cleared for the approach.
That's happened to me twice -- electrical smoke in the cockpit, master-OFF, revert to hand-held and get it on the ground ASAP. Fortunately, both happened on nice VFR days with a good airport nearby, but...
I guess if you fly long enough stuff is going to happen, but geesh, I'm not looking forward to it happening to me.![]()