14 Jan 2026, 21:42 [ UTC - 5; DST ]
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 14:13 |
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Joined: 11/06/10 Posts: 12201 Post Likes: +3086 Company: Looking Location: Outside Boston, or some hotel somewhere
Aircraft: None
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Username Protected wrote:
So, compare it against the the lower SETP market; TBM, JetProp and Meridian. Guess what, all are altitude limited. All are sold as go anywhere/anytime airplanes....
Tim
So far everyone is making the assumption that Cirrus will be limited to 25K. The planned certification altitude is 28K.
If everyone wanted a more efficient airplane, then the Duke would never had sold, and everyone would get an Aerostar instead of a Baron.... Efficiency is not everything, just one factor.
Oh, look at the Avanti, a turboprop; it makes good use of the higher altitudes.
Tim
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 15:30 |
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Joined: 12/25/10 Posts: 75 Post Likes: +16
Aircraft: Lancair Evo -42
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The Epic E1000 has a spec sheet with a FL340 "Ceiling". Does this mean it is "planned" to be certified to that altitude? It must have RVSM so if the SF-50 gets RVSM can they bump up the ceiling to FL340? What about the arguments of "new" SE not being able to go above FL280 unless they "grand father clause" the certification of earlier designs for pressurization issues? Eclipses fly at that altitude "most" of the time & go over that if they want to top weather, etc. The SFC for the Williams engine would change quite a lot @ FL340. It be a market winner if they can get to those FL´s..."but" maybe they have factored the cost of RVSM certification and the business model makes sense at their target price?
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 16:57 |
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Joined: 08/18/13 Posts: 1152 Post Likes: +770
Aircraft: 737
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Username Protected wrote: I feel like the argument for single engine ops being safer because a twin is more of a handful on one engine if a faulty one because the extra danger of single engine ops on a twin can be trained out of a pilot, as demonstrated in my opinion by the improvement in safety after the SFAR in the MU2.
Not unless it's "for real". If you haven't REALLY lost one in IMC and made it out alive you have not been initiated. "Training in the airplane" is only 25% of the equation. Some folks crack under pressure. That's another 25%. Situational awareness is another 25%. Some folks have it, some don't. Then there's "Luck" which accounts for the last 25%.
Nope.
You don't need to be initiated to know you can handle an emergency, and if you plan properly and use a solid ADM process you stack the factor that you would need luck for in the equation in your favor. If you're banking on 25% luck, you don't belong in a twin.
I've rarely crashed a sim and I've never bent an airplane. I've dead sticked a Mooney IMC down to 800" and landed a PBaron that wouldn't hold altitude on one without incident. I'm not that good, I'm just careful and train a lot and don't lose my cool. I don't know if that makes me "initiated", but I will still maintain that I felt more comfortable on one motor losing 100FPM than on none as a glider IMC. Training, training, training.
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 16:59 |
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Joined: 12/03/14 Posts: 21066 Post Likes: +26508 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: Tell me about the pro pilot flown Phenom 100 that crashed into the house last month killing 6 people. He wasn't a "pro pilot". He was a CEO of a corporation, and owner of the airplane, which means being an underpaid "pro pilot" isn't indicated. Nothing about this crash relates to engine count, so a complete red herring to mention it here. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 17:34 |
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Joined: 12/03/14 Posts: 21066 Post Likes: +26508 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: The Epic E1000 has a spec sheet with a FL340 "Ceiling". Does this mean it is "planned" to be certified to that altitude? That's the only way that can be interpreted. There is no utility for a plane capable of FL340 that can't legally fly there. My expectation is that they looked at the engine technical performance and set altitude to that so they could get impressive speed, fuel flows, and range. I would not interpret this to mean they evaluated and solved all the certification requirements to do that. Quote: It must have RVSM so if the SF-50 gets RVSM can they bump up the ceiling to FL340? Only if they solve the certification requirements to do that. To Cirrus's credit, they have not promised higher than FL280, which is already a stretch on the certification rules. Quote: What about the arguments of "new" SE not being able to go above FL280 unless they "grand father clause" the certification of earlier designs for pressurization issues? New planes have to meet new certification basis. Older airplanes had certification basis that predate the rule change. Quote: Eclipses fly at that altitude "most" of the time & go over that if they want to top weather, etc. High 30s is not uncommon, 370, 380 for example. Few airlines operate above FL390, so FL400, FL410 are mostly biz jets and Eclipse go there some times, though notably not on very hot days. Quote: The SFC for the Williams engine would change quite a lot @ FL340. It be a market winner if they can get to those FL´s... If you can go higher, then the penalty for being a single is less. Quote: "but" maybe they have factored the cost of RVSM certification and the business model makes sense at their target price? RVSM is not a significant cost adder for the engineering nor the production cost. The Garmin avionics already support it. I can only surmise the FL280 ceiling goal is how far Cirrus thinks they can push the FL250 limits with some sort of ELOS or other argument. It also helps to use a higher ceiling for marketing purposes (fuel flows that much less, speed that much higher, range that much better). If limited to FL250, expect about a 10% hit to everything. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 18:50 |
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Joined: 01/29/08 Posts: 26338 Post Likes: +13087 Location: Walterboro, SC. KRBW
Aircraft: PC12NG
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Username Protected wrote: Nope.
You don't need to be initiated to know you can handle an emergency, and if you plan properly and use a solid ADM process you stack the factor that you would need luck for in the equation in your favor. If you're banking on 25% luck, you don't belong in a twin.
I've rarely crashed a sim and I've never bent an airplane. I've dead sticked a Mooney IMC down to 800" and landed a PBaron that wouldn't hold altitude on one without incident. I'm not that good, I'm just careful and train a lot and don't lose my cool. I don't know if that makes me "initiated", but I will still maintain that I felt more comfortable on one motor losing 100FPM than on none as a glider IMC. Training, training, training.
Then why do twins crash? You are initiated if you've survived those situations. There's more to it than training though. You don't learn "not to spaz" while sitting next to CFI. It's something you learn in other parts of your life. You are NOT a spaz. I do sim training every year too. It's not REAL and I know it's not real when I'm sitting there. There's no consequence. I crush it in the sim. It's easy.
Last edited on 13 Jan 2015, 18:53, edited 1 time in total.
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 18:51 |
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Joined: 01/29/08 Posts: 26338 Post Likes: +13087 Location: Walterboro, SC. KRBW
Aircraft: PC12NG
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Username Protected wrote: Tell me about the pro pilot flown Phenom 100 that crashed into the house last month killing 6 people. He wasn't a "pro pilot". He was a CEO of a corporation, and owner of the airplane, which means being an underpaid "pro pilot" isn't indicated. Nothing about this crash relates to engine count, so a complete red herring to mention it here. Mike C. He's a commercial rated, ex-military pilot.
There are no PC12 crashes that relate to engine count either. Can't think of any TBM crashes that relate to engine count either for that matter.
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 19:09 |
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Joined: 12/10/07 Posts: 8236 Post Likes: +7972 Location: New York, NY
Aircraft: Debonair C33A
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Username Protected wrote: No, Cirrus could make the TF-50 for about what it is charging for the SF-50.
They have the manufacturing experience to do it, which Eclipse didn't have, and they are building it in a way compatible with their experience and knowledge. They are also not screwing up on the avionics.
Do you have access to Cirrus' manufacturing costs data, or is it just speculation? 
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 20:09 |
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Joined: 11/09/13 Posts: 1910 Post Likes: +927 Location: KCMA
Aircraft: Aero Commander 980
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Username Protected wrote: Nope.
You don't need to be initiated to know you can handle an emergency, and if you plan properly and use a solid ADM process you stack the factor that you would need luck for in the equation in your favor. If you're banking on 25% luck, you don't belong in a twin.
I've rarely crashed a sim and I've never bent an airplane. I've dead sticked a Mooney IMC down to 800" and landed a PBaron that wouldn't hold altitude on one without incident. I'm not that good, I'm just careful and train a lot and don't lose my cool. I don't know if that makes me "initiated", but I will still maintain that I felt more comfortable on one motor losing 100FPM than on none as a glider IMC. Training, training, training.
Then why do twins crash? You are initiated if you've survived those situations. There's more to it than training though. You don't learn "not to spaz" while sitting next to CFI. It's something you learn in other parts of your life. You are NOT a spaz. I do sim training every year too. It's not REAL and I know it's not real when I'm sitting there. There's no consequence. I crush it in the sim. It's easy.
If you have experienced a diffcult situation you appreciate having more tools to help you handle the situation. This all comes about with experience
Last edited on 13 Jan 2015, 20:15, edited 1 time in total.
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 20:12 |
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Joined: 01/29/08 Posts: 26338 Post Likes: +13087 Location: Walterboro, SC. KRBW
Aircraft: PC12NG
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Username Protected wrote: If you have experienced a diffcult situation you appreciate having more tools to help you handle the situation. Without the experience you are just ---- inexperienced.
Yeah. That's what I said. You're agreeing with me?
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 20:25 |
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Joined: 11/09/13 Posts: 1910 Post Likes: +927 Location: KCMA
Aircraft: Aero Commander 980
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Its hard to tell who has more experience than yourself on a forum but it easy to see who has less. Maybe its because you were that guy once upon a time.
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 20:26 |
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Joined: 01/29/08 Posts: 26338 Post Likes: +13087 Location: Walterboro, SC. KRBW
Aircraft: PC12NG
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Username Protected wrote: Its hard to tell who has more experience than yourself on a forum but it easy to see who has less. Maybe its because you were that guy once upon a time. I'm not claiming to have experience. I've never been "initiated". I've never had a failure in low IMC conditions for real. I've never gotten myself in trouble. I've never been a spaz in other parts of my life and I do well in the sim but who knows?
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 20:34 |
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Joined: 08/03/08 Posts: 16156 Post Likes: +8873 Location: 2W5
Aircraft: A36
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Username Protected wrote: So, compare it against the the lower SETP market; TBM, JetProp and Meridian. Guess what, all are altitude limited. All are sold as go anywhere/anytime airplanes.... The SF50 doesn't need to be better than a CJ2+, it needs to be better than a Meridian. That is where the Cirrus customers with money leak to and Cirrus wants to capture that upgrade market.
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Post subject: Re: Cirrus SF50 Posted: 13 Jan 2015, 20:36 |
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Joined: 01/29/08 Posts: 26338 Post Likes: +13087 Location: Walterboro, SC. KRBW
Aircraft: PC12NG
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Username Protected wrote: The SF50 doesn't need to be better than a CJ2+, it needs to be better than a Meridian. That is where the Cirrus customers with money leak to and Cirrus wants to capture that upgrade market.
Agreed.
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