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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 09:45 
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Jason, none of this stuff is that hard, until it is.

I believe this. the first systems-intensive type rating I got was the AN24. Coming from a B200 I thought no sweat, it's just a bigger version of the same thing with a little language barrier thrown in. I was humbled pretty quickly, i probably killed us all (in the sim) 7 or 8 times over that couple weeks.

BUT that is not what the SF50 is. I just don't see the cirrus jet as any different than a TBM. If it was a SETP there would be no discussion. Some people are simply getting hung up on it being a "jet" in terms of what their perception of a "jet" is supposed to be.

Forget it's a jet. Call it a tbm that will have less drag on landing. So basically you need to train as per a tbm with a little extra focus on approach, landing distances, and braking. I just can't see the big deal about that.


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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 09:57 
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Probably all TP's should require a type rating. Just look at the accident rates in most TP's compared to what it should be with all that capability and reliability that they offer. I, personally, am glad that I don't need a type rating. Makes my life simpler, and training is a little less stressful, because I know that even if I have a bad day, I am not booking airline fare back home. I do train about as close to a type as I can, to ATP standards, and twice a year but on my own schedule, and way cheaper. The SF50 will have a better safety record than the SETP's, not because the plane is intrinsically safer, but the type rating will weed those out that know they don't have the right stuff, and the remaining pilots will all be mandated to demonstrate a high level of proficiency each year.

As far as the automation, Cirrus has proven themselves capable with the piston, and most of the electronics are Garmin which has an almost bulletproof design.

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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:22 
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Probably all TP's should require a type rating. Just look at the accident rates in most TP's compared to what it should be with all that capability and reliability that they offer.

I'd love to look at this data. Where is it?


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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:26 
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Yes, but in this case, manual breakers got replaced with something else far more complex. ECBs *might* be safer, but they are definitely not less training.

Mike C.

Again, you are looking at one specific system and not the design as a whole. All the systems together. Even the shape of the airplane and the fact that it has 1 engine instead of 2 and a failure does not mean certain death unless the pilot steps in to save the day.

You need only look at todays market. The flying machines that sell vs. those that aren't even made anymore. Are the new designs simpler than yesteryear or more complex? IMO they are outrageously simpler.

You can say "They're more complex" and you are right...... They are more complex for your mechanic. But they are less complex for the pilot. Your mechanic isn't going to crash your airplane.


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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:30 
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training is a little less stressful, because I know that even if I have a bad day, I am not booking airline fare back home. I do train about as close to a type as I can, to ATP standards, and twice a year but on my own schedule, and way cheaper.


Your imagination is thinking this is way tougher then it really is.

No one fails a PT91 61.58 check unless you have early onset of Alzheimer's and should be retiring your ticket. 61.58 checks are done progressively. You practice a maneuver until you do it successfully and then it is cheeked off as complete and you move on. If you mess something up then you do it again until you show you have it correct.

There is no pink slip for a 61.58 check. You can walk out without a signoff and continue to fly until your current 61.58 expires.

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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:32 
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In every case I can think of, the automatic system has sensors, computer (be it mechanical, analog, or digital), and actuators. That's more complexity, particularly when accounting for failure modes. Sensors, in particular, are never perfect, for example the pitot tubes on AF447, or the power lever sensors on Eclipse.

You are confusing the complexity of engineering an automated system with complexity for the user. Automated system will almost always be more complex from engineering standpoint, but can certainly be simpler for the user. That includes failure modes IF the designer chooses to rely on additional levels of automation (e.g. redundancy) to deal with potential failures instead of giving the user manual control as a fallback.


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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:38 
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Username Protected wrote:
Probably all TP's should require a type rating. Just look at the accident rates in most TP's compared to what it should be with all that capability and reliability that they offer.

I concur.

The MU2 SFAR, basically a type rating except in name, had a huge impact on accident rates. The King Air 300/350, with type rating, has a far lower accident rate than the 90/100/200. The evidence is there and it isn't subtle.

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I, personally, am glad that I don't need a type rating. Makes my life simpler, and training is a little less stressful, because I know that even if I have a bad day, I am not booking airline fare back home.

If you can't pass a type check ride, you should not feel enabled to fly just because you don't need it.

The stress of the type check ride is nothing to an actual emergency. If you can't handle the check ride, you can't handle a real emergency.

The training providers are not out for blood, they are there to make you a better pilot. It is quite rare for pilots to outright fail on a recurrent. Usually, an extra day resolves the problem and now your are a better pilot.

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I do train about as close to a type as I can, to ATP standards, and twice a year but on my own schedule, and way cheaper.

Schedule is not a problem, you get a 3 month window to train, your base month, month before, month after. If you train every 6 months, then you are constantly resetting your base month. This means you can schedule any time from 6 to 13 months after your last session. I would find it strange if you can't work with that schedule.

A recurrent costs me about $3K/year, for a Citation in a sim, about $6K. If that cost is too high for you, then owning a turbine airplane is not indicated.

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The SF50 will have a better safety record than the SETP's, not because the plane is intrinsically safer, but the type rating will weed those out that know they don't have the right stuff, and the remaining pilots will all be mandated to demonstrate a high level of proficiency each year.

This will help.

It remains to be seen if the pilot demographics are a negative, mainly SR piston pilots stepping up, thus with limited turbine and high altitude experience.

The Eclipse experience is encouraging. Their pilot demographics were perhaps similar to Cirrus. But they did wash out quite a number of pilots in the initial type rating course. Also, Eclipse had the benefit of a second engine. I believe there have been a number of Eclipse engine shutdowns (~10?), but they don't generate news because the second engine allows them to land uneventfully. Engine failures in SF50 are far more likely to be news.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:40 
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Except I sure hope the training, and the results, will be superior to that of the TBM. It's safety record is, by jet standards, atrocious.

Username Protected wrote:
...
Forget it's a jet. Call it a tbm that will have less drag on landing. So basically you need to train as per a tbm with a little extra focus on approach, landing distances, and braking. I just can't see the big deal about that.


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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:44 
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Username Protected wrote:
You can say "They're more complex" and you are right...... They are more complex for your mechanic. But they are less complex for the pilot.

Not simpler in training. More complex to learn how it works, how it fails, and how to take over manually.

In routine operations, simpler for pilot, but more complex machine, so failures can be more difficult.

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Your mechanic isn't going to crash your airplane.

He certainly can if he makes a mistake. There are well documented examples.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:47 
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Lets don't forget that they flew into the top of a thunderstorm when other airplanes on the same route made some pretty big deviations.

25 minutes prior to AP disconnect, the crew dimmed the lights in an effort to visually see the weather up ahead, so they were aware of it at least as early as this stage.

2 minutes, about 15 nm at cruise speeds, before the AP disconnect, the crew discussed weather and made a deviation, a left turn, in heading mode. It is logical this turn was prompted by what their radar showed for weather ahead.

The crew was not oblivious to the weather, even if they didn't actually avoid it in the end.

The report is ambiguous about whether they entered a storm or not, or simply clouds at high altitude. Their weather radar returns are not recorded by the FDR, and there is limited weather information for storms in middle of the Atlantic.

The report never says they encountered significant turbulence, only that they encountered slight turbulence, and then it increased slightly. If there were truly in the top of a real storm, that would have been different. The BEA report on page 58 says they never exceeded the definition of "light" turbulence (defined as 0.5 G peak to peak amplitude, or 0.75 G to 1.25 G assuming an average 1.0 G flight condition, not really that bad).

I do not believe the crew flew into the top of a real thunderstorm on this flight, just some convective clouds with icing in them.

Quote:
That wasn't the automations fault.

It shares part of the blame. It was part of the accident chain. Blaming the entire accident on one link of that chain, such a pilot error, is simplistic and misses the real lessons here.

Mike C.


They have testimony from other crews in the area. This crew reported significant vertical development in the weather the were deviating away from.

The AF crew and others reported St Elmo's fire not something you get in a thin layer of clouds.

For The AF crew it was too little too late, when it came to weather avoidance.

By the time they got their radar set properly they needed much more than the 10 degree to avoid the building storm. Dimming the lights is good but getting your radar set properly trumps it by a long shot.

Quote:
. The crew saw AF 447 take off while taxiing at Rio de Janeiro. When passing the INTOL waypoint, they encountered conditions typical of the ITCZ. These conditions were particularly severe 70 NM to 30 NM before the TASIL waypoint. They moved away from the route by about 30 NM to the east to avoid cumulonimbus formations with a significant vertical development, and then returned to the airway in clear skies close to the TASIL waypoint. The crew reported they had difficulties communicating with DAKAR ATC.


Multiple reports like this.

Last edited on 02 May 2016, 10:56, edited 1 time in total.

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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 10:53 
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Username Protected wrote:
...
Forget it's a jet. Call it a tbm that will have less drag on landing. So basically you need to train as per a tbm with a little extra focus on approach, landing distances, and braking. I just can't see the big deal about that.

again with the "jet standards". The cirrus jet is basically a tbm. Don't get hung up on the fact that it has no propeller. If the safety record is bad then it's just plain bad, jet vs TP should not define good vs bad safety expectations. I'll wager that the cirrus jet safety record will eventually be seen in-line with other owner-flown, single-pilot, single-engine turbine planes. That is inherently a different ball game than multi-engine, multi-crew airplanes. Whether the single engine has a propeller or not, I don't see the relevance.

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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 11:00 
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Jeff,

I agree that the SF50 is basically a TBM without a propeller (size, weight, performance, etc.). However, the FAA treats these very similar-performing aircraft very differently (jet vs. <12.5 TP... except MU2). Part of that difference is dramatically higher level of required training.

My only point is that the TBM safety record is atrocious and I hope that the jet training standard (type rating) requirement to which SF50 pilots will be held will result in much better safety results.

M


Username Protected wrote:
...
Forget it's a jet. Call it a tbm that will have less drag on landing. So basically you need to train as per a tbm with a little extra focus on approach, landing distances, and braking. I just can't see the big deal about that.
...
The cirrus jet is basically a tbm. Don't get hung up on the fact that it has no propeller. If the safety record is bad then it's just plain bad, jet vs TP should not define good vs bad safety expectations. I'll wager that the cirrus jet safety record will eventually be seen in-line with other owner-flown, single-pilot, single-engine turbine planes. That is inherently a different ball game than multi-engine, multi-crew airplanes. Whether the single engine has a propeller or not, I don't see the relevance.


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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 11:02 
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Username Protected wrote:
again with the "jet standards". The cirrus jet is basically a tbm. Don't get hung up on the fact that it has no propeller. If the safety record is bad then it's just plain bad, jet vs TP should not define good vs bad safety expectations. I'll wager that the cirrus jet safety record will eventually be seen in-line with other owner-flown, single-pilot, single-engine turbine planes. That is inherently a different ball game than multi-engine, multi-crew airplanes. Whether the single engine has a propeller or not, I don't see the relevance.


I would expect improvements in fatals similar to what we are seeing with the Cirrus vs the Bonanza. When they get themselves iced up, or pull a flight control off, trim stall, etc -they may still have a chance at living with the CAPS where the current SETPs would not.

In price, capability, speed, flight profile, owner profile...I agree this plane is a TP competitor....and it fits in your Thangar!

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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 11:05 
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A couple of well publicized chute saves in a "Jet" and this plane will go lights out on sales.

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 Post subject: Re: Cirrus SF50
PostPosted: 02 May 2016, 11:08 
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A couple of well publicized chute saves in a "Jet" and this plane will go lights out on sales.

....and, THAT thread on BeechTalk will exceed 300 pages... :D

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