17 Jan 2026, 13:17 [ UTC - 5; DST ]
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 18:26 |
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Joined: 11/21/09 Posts: 12568 Post Likes: +17353 Location: Albany, TX
Aircraft: Prior SR22T,V35B,182
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Username Protected wrote: Someone said the chutes have a 100% success rate. I thought there was a 22 a few years ago that iced up over the sierras up fairly high and it failed. Anybody recall this? That was me, David. 100% when less than Vne and over 1k feet, although their have been saves outside of this parameter, as well. Here's the one you are thinking of (I think): CAPS event #5, Feb 2005, Norden, CA (not CAPS Save, parachute separated from airframe)1 fatality; Factors: severe icing at 16,000' over Sierra mountains, high speed descent well above Vne of 204 knots; Activation: uncertain if intentional activation or due to airframe stress in high speed descent, located along track to crash site; Weather: IMC, icing; Landing: high speed impact in mountainous area.
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 18:29 |
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Joined: 12/13/07 Posts: 20713 Post Likes: +10861 Location: Seeley Lake, MT (23S)
Aircraft: 1964 Bonanza S35
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Username Protected wrote: [ 1 fatality; Factors: severe icing at 16,000' over Sierra mountains, high speed descent well above Vne of 204 knots; Activation: uncertain if intentional activation or due to airframe stress in high speed descent, located along track to crash site; Weather: IMC, icing; Landing: high speed impact in mountainous area. In other words he brought a knife to a gun fight?
_________________ Want to go here?: https://tinyurl.com/FlyMT1
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 18:32 |
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Joined: 11/21/09 Posts: 12568 Post Likes: +17353 Location: Albany, TX
Aircraft: Prior SR22T,V35B,182
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You know, it's funny. Here, we are debating how great the parachute is. On COPA, there are a lot of discussions on how to prevent being in the position where it's needed.
Here is a great quote from a doc over there:
"Somehow, we have to sit in the dead pilot's seat, admit that we MIGHT be able to get there, and figure out a strategy for avoiding that fate."''
While the willingness to pull has certainly improved the stats, even more is this attitude.
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 21:00 |
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Joined: 12/03/14 Posts: 21096 Post Likes: +26532 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: But you have to agree that all were successful. 50 for 50. 100%. It depends on how you look at things. History as kept by COPA: https://www.cirruspilots.org/copa/safet ... story.aspxThey have a tendency whenever there was a fatality with a CAPS event to exclude that one from consideration for various reasons. The CAPS events where 1 or more occupants died: #5: Activation too late. #9: Activation too late. #18: Activation too late. #22: Activation triggered by midair. #31: Activation too late. #34: Activation too late. #47: Activation too late. #49: Activation too late. There is a tendency to define any CAPS activation that caused a fatality as being "too late". You can always find some time earlier when it would have been "not too late". So any CAPS that causes a fatality is, by definition, too late. So the reasoning is circular and keeps the results perfect. Quote: You also have to recognize a stunning safety record over the last three years. Improvement is good. Quote: It coincides with more pulls. Why do you think pilots getting into more fatal situations is beneficial? What about using Borman's credo, using superior judgment to avoid needing the chute in the first place? Why are Corvalis pilots like that and Cirrus pilots aren't? Quote: Why are you so resistant to the benefit? Because the negatives are more significant fleet wide. You can disregard them if you wish, but an overall view shows that the Cirrus safety record has not distinguished itself for the better overall. Quote: To the second quoted paragraph - yes, there was A failed deployment within parameters. Only one, I am 99% sure. There have been two: #11: Parachute trajectory anomalous, landed off airport. #44: Chute failed to deploy, pilot flew to airport and landed normally trailing chute canister. Quote: There was a second at an estimated 300 KTAS that failed. I'm only guessing that's the other you remember. No, that was #5. Quote: And, yes, the one that failed within parameters landed without event. But when he pulled, he was disoriented while in IMC and hard rain. That's not an argument for the ineffectiveness of the chute. Yes, it is. It means that the chute didn't save his life, in fact it made it more in peril. Then he flew the airplane to a landing. Demonstrates absolutely that every CAPS pull is not necessarily a "save". Quote: But it's not just within the parameters. No person has died when the CAPS system deployed above 1000 feet above ground and below Vne airspeed of 200 knots indicated. #22 fits your description, high and within envelope. All aboard died. You need to further refine your statement to keep it true. Quote: It's now the safest x-country piston plane in the fleet. If so, due to the pilot, not the chute since it was one of the worst before and the chute isn't what changed. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 21:05 |
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Joined: 12/03/14 Posts: 21096 Post Likes: +26532 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: But not safely into 2350 ft Cirrus won't be the first plane maker to overpromise realistic runway performance, so I'd withhold judgment that the SF50 can operate safely in 2350 ft. I know it CAN'T operate in 2,350 ft if the runway is covered in water, ice, or snow. I'd rather be in the Aerostar than the SF50 if one engine quits. The SF50 has ONE TON of fuel onboard and you are about to perform an off airport landing. Good luck! Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 21:06 |
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Joined: 08/05/11 Posts: 5248 Post Likes: +2426
Aircraft: BE-55
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Username Protected wrote: But you have to agree that all were successful. 50 for 50. 100%. It depends on how you look at things. History as kept by COPA: https://www.cirruspilots.org/copa/safet ... story.aspxThey have a tendency whenever there was a fatality with a CAPS event to exclude that one from consideration for various reasons. The CAPS events where 1 or more occupants died: #5: Activation too late. #9: Activation too late. #18: Activation too late. #22: Activation triggered by midair. #31: Activation too late. #34: Activation too late. #47: Activation too late. #49: Activation too late. There is a tendency to define any CAPS activation that caused a fatality as being "too late". You can always find some time earlier when it would have been "not too late". So any CAPS that causes a fatality is, by definition, too late. So the reasoning is circular and keeps the results perfect. Quote: You also have to recognize a stunning safety record over the last three years. Improvement is good. Quote: It coincides with more pulls. Why do you think pilots getting into more fatal situations is beneficial? What about using Borman's credo, using superior judgment to avoid needing the chute in the first place? Why are Corvalis pilots like that and Cirrus pilots aren't? Quote: Why are you so resistant to the benefit? Because the negatives are more significant fleet wide. You can disregard them if you wish, but an overall view shows that the Cirrus safety record has not distinguished itself for the better overall. Quote: To the second quoted paragraph - yes, there was A failed deployment within parameters. Only one, I am 99% sure. There have been two: #11: Parachute trajectory anomalous, landed off airport. #44: Chute failed to deploy, pilot flew to airport and landed normally trailing chute canister. Quote: There was a second at an estimated 300 KTAS that failed. I'm only guessing that's the other you remember. No, that was #5. Quote: And, yes, the one that failed within parameters landed without event. But when he pulled, he was disoriented while in IMC and hard rain. That's not an argument for the ineffectiveness of the chute. Yes, it is. It means that the chute didn't save his life, in fact it made it more in peril. Then he flew the airplane to a landing. Demonstrates absolutely that every CAPS pull is not necessarily a "save". Quote: But it's not just within the parameters. No person has died when the CAPS system deployed above 1000 feet above ground and below Vne airspeed of 200 knots indicated. #22 fits your description, high and within envelope. All aboard died. You need to further refine your statement to keep it true. Quote: It's now the safest x-country piston plane in the fleet. If so, due to the pilot, not the chute since it was one of the worst before and the chute isn't what changed. Mike C.
Mike. You are digging a hole with your stubbornness.
Tell me who engineered the valve guides in these fricking continentals. Then we wouldn't need a chute if he'd fix his screw up. In case you haven't noticed these things have a tendency, even in a new Cirrus, to fall out of the Sky.
_________________ “ Embrace the Suck”
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 21:08 |
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Joined: 12/03/14 Posts: 21096 Post Likes: +26532 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: Is the answer to car accidents more training or ABS, seatbelts, and traction control? The answer to car accidents is other bad drivers. You can be the best driver in the world and still be killed by some jerk. In aviation, not generally so. The danger around you is self made almost exclusively. The trick is to realize when you are doing something dangerous and STOP DOING IT. The chute tends to delay that recognition. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 21:13 |
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Joined: 01/31/10 Posts: 13703 Post Likes: +7855 Company: 320 Fam
Aircraft: 58TC
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Username Protected wrote: The trick is to realize when you are doing something dangerous and STOP DOING IT. The chute tends to delay that recognition.
Mike C. So what you're saying is you need to be able to see yourself from an outside perspective? You need to recognize when you are off the rails, and check yoself befo you wreck yoself? You need to imagine what a level headed outsider would think of your action, and correct based on that perspective. Its all so clear to me now.
_________________ Views are my own and don’t represent employers or clients My 58TC https://tinyurl.com/mry9f8f6
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 21:15 |
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Joined: 12/03/14 Posts: 21096 Post Likes: +26532 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: How does the MU2 (must be a Solitare if you can go that fast) do WRT big headwinds? Not a Solitaire, my plane is actually a bit faster. The 4 blade props on the later models is not as efficient it turns out as the 3 blade props on the earlier airplanes. Strictly in terms of range, it takes a bout a 100 knot headwind to make going lower worthwhile. But at about 50 knots headwind, I will start to consider flying at, say, FL210/220 and going in fast mode (310 knots, 85 GPH) rather than economy mode (FL270/280, 290 knots, 65 GPH). My range is still reduced, but the penalty for going faster is reduced. Sometimes there is a big difference in the wind direction or speed between FL210 and FL270, so that factors into the computation. Quote: Do you keep it down low burning a lot more fuel than a piston airplane? IOW, where's the "sweet spot" for westward in the winter? I burn more than a piston airplane all around. They have the advantage of being able to go low and not have their fuel burn jump markedly. On a 100 knot headwind day, I fly at FL210/220 and make 210 knots over the ground. On a zero wind day, FL270/280 and make 290 knots. On a 200 knot headwind day, I stay home. :-) Mike C.
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 21:28 |
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Joined: 12/03/14 Posts: 21096 Post Likes: +26532 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: And, yes, I'm one of those that feel emboldened. Basically, you just said the chute is not a safety device, it improves utility. You can now use the airplane in more ways than you could before because you have mentally spent the risk credit of the chute to expand your operational envelope. This is entirely consistent with how people use airplanes of ever increasing capability. They fly to some accepted risk tolerance. If the airplane can do something more safely than another, then it can be flown on more dangerous missions than the other until the danger is back to where it was. Indeed, if you look at the fatal accident rate of single piston, multi piston, and turboprops, it is all about 1 or so per 100K hours. That's not because a King Air is just as dangerous as a 172, it is because the King Air is asked to do more dangerous jobs than a 172. The only problem was that pilots took TOO MUCH CREDIT for the chute. So they were actually flying PAST their risk tolerance and not realizing it. Thus a bad fatal accident rate. If the improved safety record recently is due to more chute pulls, then pilots DIDN'T reduce the risk of their flights, they made the chute risk credit HIGHER by applying it more frequently. In my mind, the preferred way to balance the equation would be to reduce the risk credit of the chute, not to increase reasons to use it. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Cirrus SF50 Posted: 11 Dec 2014, 21:33 |
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Joined: 12/03/14 Posts: 21096 Post Likes: +26532 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: In other words he brought a knife to a gun fight? Yup. He brought a non FIKI piston single to a FIKI twin turboprop fight. He lost. How did he get in the position he needed the chute? This accident started in the pilot lounge before departure. Mike C.
_________________ Email mikec (at) ciholas.com
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