# ETOPS/EDTO Threshold

**URL:** <https://forum.navigraph.com/t/etops-edto-threshold/13724>\
**Category:** Feature Requests\
**Created:** [October 26, 2023, 9:51am UTC](https://forum.navigraph.com/t/etops-edto-threshold/13724 "2023-10-26T09:51:36Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![heleneCIZERO](https://avatars.discourse-cdn.com/v4/letter/h/ee7513/32.png) [@heleneCIZERO](https://forum.navigraph.com/u/heleneCIZERO)\
**Post date:** [October 26, 2023, 9:51am UTC](https://forum.navigraph.com/t/etops-edto-threshold/13724/1 "2023-10-26T09:51:36Z")

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Hello,

As you know, Tri and Quad engines aircrafts are subject to EDTO rules if they are flying more than 180 minutes away from an adequate airport. Unfortunately, when I build an ETOPS/EDTO flight plan with SimBrief, the system takes a 60 minutes threshold even when selecting a Tri or Quad engines aircraft.

Would it be possible to make the ETOPS/EDTO threshold user selectable, within the aircraft profile or in the ETOPS Scenario window ?

Thanks in advance.  
Best regards,  
Philippe TORNE

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**Author:** ![SimBrief](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/simbrief/32/4850_2.png) [@SimBrief](https://forum.navigraph.com/u/SimBrief)\
**Post date:** [October 27, 2023, 3:18pm UTC](https://forum.navigraph.com/t/etops-edto-threshold/13724/2 "2023-10-27T15:18:26Z")

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Hi, we will look into this for the next update perhaps.

Thanks,

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**Author:** ![heleneCIZERO](https://avatars.discourse-cdn.com/v4/letter/h/ee7513/32.png) [@heleneCIZERO](https://forum.navigraph.com/u/heleneCIZERO)\
**Post date:** [October 27, 2023, 3:23pm UTC](https://forum.navigraph.com/t/etops-edto-threshold/13724/3 "2023-10-27T15:23:20Z")

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Hello,

That would be awesome. Looking forward to see this very useful improvement. Thanks a lot for your answer.

Best regards,  
Philippe TORNE

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**Author:** ![dougsnow](https://avatars.discourse-cdn.com/v4/letter/d/13edae/32.png) [@dougsnow](https://forum.navigraph.com/u/dougsnow)\
**Post date:** [October 28, 2023, 7:40pm UTC](https://forum.navigraph.com/t/etops-edto-threshold/13724/4 "2023-10-28T19:40:48Z")

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Actually, for US operators, tri-jets comply with ETP planning when more than 90-minutes away from an adequate, and the speed schedule is Dual E/O and nothing else. For US Trijet operators, they only need to comply with ETOPS/EDTO planning when when beyond 90 minutes if they are an all-passenger operation (and there are none of those anymore).

For all-cargo quads, I believe their OFP provides both a Single E/O and a Dual E/O ETP when beyond 90 minutes. US all-pax quad operators had to comply with the ETOPS scenarios when beyond 180 minutes; thus when they operated them, the US Pax Quad operators limited their aircraft to no more than 180 minutes from an adequate to not have to comply with quad ETOPS/EDTO; they just complied with ETP planning (Single and Dual E/O only).

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**Author:** ![SimBrief](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/simbrief/32/4850_2.png) [@SimBrief](https://forum.navigraph.com/u/SimBrief)\
**Post date:** [December 19, 2023, 1:39am UTC](https://forum.navigraph.com/t/etops-edto-threshold/13724/5 "2023-12-19T01:39:55Z")

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Just as a follow-up, we have now released version 2.19.0 which includes an ETOPS threshold option:

 ![image](https://europe1.discourse-cdn.com/flex013/uploads/navigraph1/original/3X/6/1/6160c4a141be1a0d2359a54922255cba4897af9c.png)

Best regards,

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<div class="post-metadata">

**Author:** ![heleneCIZERO](https://avatars.discourse-cdn.com/v4/letter/h/ee7513/32.png) [@heleneCIZERO](https://forum.navigraph.com/u/heleneCIZERO)\
**Post date:** [December 19, 2023, 8:28am UTC](https://forum.navigraph.com/t/etops-edto-threshold/13724/6 "2023-12-19T08:28:08Z")

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Amazing. Thanks for this update !

Best regards  
Philippe TORNE

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<div class="post-metadata">

**Author:** ![SimBrief](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/simbrief/32/4850_2.png) [@SimBrief](https://forum.navigraph.com/u/SimBrief)\
**Post date:** [January 1, 2024, 1:00pm UTC](https://forum.navigraph.com/t/etops-edto-threshold/13724/7 "2024-01-01T13:00:59Z")

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