Dispatch: Part 121 Takeoff Alternate Explained for ATP and Aircraft Dispatcher Study Guide: Airlines

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Check out study flow charts (free PDF files on my website) to help you understand the regulations covered in this video: www.theaviatio... & visit my website at www.theaviationvault.com to learn much more about aircraft dispatchers, airlines, and dispatch history!
Learn more about LeTourneau University's aviation program at www.letu.edu/fly or about our all-online Aviation Studies degree program at bit.ly/Aviation.... Videos are created for LeTourneau University's College of Aviation for the course AERO 4123 Commercial Flight Operations.
Always remember that Laura, when you get right down to it, is just a pilot and a dispatcher. She is explaining facts from the source materials but may be incorrect or out of date. You should always follow your primary guidance (Aircraft manuals, government regulations, etc.) before listening to anything from this RU-vid channel. These videos are intended for educational purposes only.
This video screencast was created with Doceri on an iPad. Doceri is free in the iTunes app store. Learn more at www.doceri.com

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10 сен 2024

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Комментарии : 25

@khaledtahraoui630 9 месяцев назад

A clear explanation, we appreciate your efforts.

@LauraLaster747 8 месяцев назад

Excellent! I am glad I could help.

@claysoccer 2 года назад

Thanks Laura, appreciate your help on this subject.

@LauraLaster747 2 года назад

So glad it was helpful to you! What other topics would you like to see?

@lh3952 3 года назад

Thanks for laying it all out. I have been struggling with minimums because of how it was initially explained to me. Now I get it! 😁😁😁

@LauraLaster747 3 года назад

SO glad you learned from the video!!

@tejaskamble4841 4 года назад

thanks for this video for clearing the concept.

@LauraLaster747 4 года назад

You are welcome!!

@prayassakhare9602 Год назад

Thanks a lot

@LauraLaster747 Год назад

Hello! You are welcome! Thank you for watching!

@yukok2089 3 месяца назад

Hello, thank you for this! Very helpful. The reg 121.617 mentions “below the landing minimums” - does this include ceiling and vis / or vis only just like a normal approach requirement? On the other hand, how do they choose the IAP at departure airport chosen to know if below landing mins or not at departure airport?

@LauraLaster747 3 месяца назад

You are welcome! So 121.617 has always been interpreted as only visibility. This is true unless the approach has a ceiling requirement (for the selected approach) which essentially is never a requirement in the United States...but it could be a requirement in another country. They choose a suitable IAP at the airport that is one that favors wind and has the lowest possible minimums typically. I hope this answers your question! (and check out the newer version I made of this video please...I think it is a lot better!)

@SQUADRONSIXTYNINE 7 лет назад

thank you

@LauraLaster747 7 лет назад

You're welcome!

@JorgeJimenez-xx5ok 5 месяцев назад

Is there a specific approach you were using to determine approach minimums?

@LauraLaster747 5 месяцев назад

There are a few ways to answer this. For an approach, you look at the visibility requirement printed on the bottom of the approach chart. (See my Jeppesen chart overview for more.) Related to alternates, when using Operations Specification C055 to derive alternate minimums, you have to look at the specific approach or approaches you are planning for that alternate. This video was about takeoff minimums, not approach minimums. But, here are some links to other helpful videos: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-W-zceRBRZEY.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-e0hzIQTQmJQ.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-foDoi7HJgRc.html

@jordanbennett804 3 года назад

I’m assuming the weather minimums for these TO alternates are the same standard alternate 121 mins?

@LauraLaster747 3 года назад

Hello! If you need a takeoff alternate, and the air carrier has the Ops Spec for derived alternate minimums, then you would use those derived alternate minimums for the takeoff alternate. I have a video about derived alternate minimums as well that might be helpful!

@moetarakji7383 5 лет назад

Thanks, just wondering where you got the 300 miles rule from ? Can’t find it anywhere on the reg

@LauraLaster747 5 лет назад

It is a generic number that we used for the Boeing 737-300 based on one engine inop in still air. Each airline will have a predetermined distance for each type in its fleet.

@jinssebastian6755 4 года назад

@@LauraLaster747 Many Thanks For the video. My doubt regarding calculation of this TO Altn distance is that do we need to consider CLB,CRZ,DSC segments ?

@LauraLaster747 4 года назад

@@jinssebastian6755 Typically an airline or operator selects a distance specifying the radius in which the takeoff alternate must fit. This number has been pre-calculated by the operator or airline and accounts for climb, cruise, descent and typical aircraft speeds. Since the takeoff alternate is a planning airport only - if something really goes wrong in flight, the crew can decide to go anywhere they deem necessary and safe - it isn't planned out with the climb, cruise, descent segments.

@jinssebastian6755 4 года назад

@@LauraLaster747 Thanks a lot