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"Peter" wrote in message
Unless I am missing something obvious, this sort of thing should not happen if the pilot has a picture showing his position relative to the rest of the place. The picture doesn't always help. ![]() I was once safety pilot for a CFI candidate flying an ILS with a moving map system. Even though the picture clearly showed the holding pattern, he nonetheless turned the wrong way to do his course reversal on the wrong side of the FAC. My point is this was a simple mistake made by an experienced pilot I trust. If it can happen to him, it can happen to me - or baseball stars. Unfortunately, our activity can be quite unforgiving of mistakes. -- John T http://sage1solutions.com/blogs/TknoFlyer Reduce spam. Use Sender Policy Framework: http://openspf.org ____________________ |
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He had a GPS, but as a high time commuter pilot in a BE1900,
he didn't know how to use it. Their GPS was not current for IFR, but they were using it. When they crossed the LOM, the GPS autocycled to the MAP WPT and the crew just did a turn about a point and flew at the IAP altitude past the airport and died. "Peter" wrote in message ... | | "Jim Macklin" wrote | | PDF from NTSB http://www.ntsb.gov/publictn/2006/AAB0601.pdf | | | Having read a fair few reports of aircraft flown by professional crew, | perhaps commercially, it amazes me how many do not have what one would | call a moving map GPS. | | Unless I am missing something obvious, this sort of thing should not | happen if the pilot has a picture showing his position relative to the | rest of the place. |
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John T wrote:
"Peter" wrote in message Unless I am missing something obvious, this sort of thing should not happen if the pilot has a picture showing his position relative to the rest of the place. The picture doesn't always help. ![]() I was once safety pilot for a CFI candidate flying an ILS with a moving map system. Even though the picture clearly showed the holding pattern, he nonetheless turned the wrong way to do his course reversal on the wrong side of the FAC. My point is this was a simple mistake made by an experienced pilot I trust. If it can happen to him, it can happen to me - or baseball stars. Bassball stars are hobby pilots. This crew was supposed to be highly-trained, experienced professionals. The gross errors they made were inexcusable. For a pro who understands the complete system, DME on a LOC makes it very easy to know where you are at any time. All the essential information provided by a moving map is provided by a localizer with DME fixes. |
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![]() Jim Macklin wrote: He had a GPS, but as a high time commuter pilot in a BE1900, he didn't know how to use it. Their GPS was not current for IFR, but they were using it. When they crossed the LOM, the GPS autocycled to the MAP WPT and the crew just did a turn about a point and flew at the IAP altitude past the airport and died. I'm not familiar with the KLN 90B but fly a Garmin 300XL which I believe is of similar vintage and function. In addition, my single CDI is wired so that it would auto-connect to the NAV radio when tuned to a LOC signal. Using the Garmin on such an approach to function in place of the ADF and DME, I would have programmed it similarly. However, flying the approach would require switching it from 'auto-sequence' to 'hold' just before passing BALES for the holding pattern turn. That would keep BALES as the next waypoint. Once inbound to BALES, I would have switched it to auto=sequence. Does the KLN 90B function similarly? That is, is there a Hold switch? MauleDriver |
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In article ,
"Jim Macklin" wrote: He had a GPS, but as a high time commuter pilot in a BE1900, he didn't know how to use it. As someone who flew many hours with the captain of that flight, at the airline that flew those 1900s, I can say without a doubt that you have no idea what you're talking about. Here's a cockpit shot of one of the 1900s he flew: http://www.airliners.net/open.file/0585758/L/ I'll leave it as an exercise for you to identify the device sitting next to the copilot's RMI. |
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Sam Spade wrote:
This crew was supposed to be highly-trained, experienced professionals. The gross errors they made were inexcusable. I agree. I also suggest this exercise isn't about finding excuses. ![]() -- John T http://sage1solutions.com/TknoFlyer http://www.pocketgear.com/products_s...veloperid=4415 Reduce spam. Use Sender Policy Framework: http://spf.pobox.com ____________________ |
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John T wrote:
Sam Spade wrote: This crew was supposed to be highly-trained, experienced professionals. The gross errors they made were inexcusable. I agree. I also suggest this exercise isn't about finding excuses. ![]() I hope no one is trying to find excuses. in·ex·cus·a·ble adjective unpardonable: impossible to pardon or justify Encarta® World English Dictionary © & (P) 1999,2000 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc. |
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It's a KLN909b GPS I guess. Granted that the crew knew how to use it
and granted that the dating of the database had no impact, the cause seems to be a loss of situational awareness due in some part to misuse of the GPS. It seems that they 'half used' the GPS for this non-GPS approach and then 'over relied' on the GPS over use of the radio aids. That is, they setup the GPS to lead them to the FAF but neglected to press the hold button before reaching the IAF for the hold. No problem with that as long as you realize what you are doing and continue to use the DME, ADF, and RMI for identification of the various fixes. I'll bet this crew could have turned off the GPS and nailed this approach 1,000 times in a row without incident, or conversersely used the GPS exclusively with the Loc and NDB out of service and done the same. Beavis wrote: In article , "Jim Macklin" wrote: He had a GPS, but as a high time commuter pilot in a BE1900, he didn't know how to use it. As someone who flew many hours with the captain of that flight, at the airline that flew those 1900s, I can say without a doubt that you have no idea what you're talking about. Here's a cockpit shot of one of the 1900s he flew: http://www.airliners.net/open.file/0585758/L/ I'll leave it as an exercise for you to identify the device sitting next to the copilot's RMI. |
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