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-   -   Published speeds on STAR (https://www.airlinepilotforums.com/technical/149034-published-speeds-star.html)

stickybuds 12-30-2024 10:41 PM

Published speeds on STAR
 
not sure where to post this but had a quick question. say you're on an arrival with published speed restrictions and you cross xyz with a speed restriction of 250kts and thats the last fix with a speed restriction are you expected to maintain that until further clearance even if there's additional fixes with no other speed restrictions or can you start to slow at your discretion?

rickair7777 12-31-2024 06:44 AM

Generally you're supposed to maintain the last published speed until otherwise directed.

If you're still doing 250 when they call your base, you probably need to remind them. Personally I'd probably just slow down at that point.

TiredSoul 12-31-2024 11:39 AM


Originally Posted by rickair7777 (Post 3866165)
Generally you're supposed to maintain the last published speed until otherwise directed.

If you're still doing 250 when they call your base, you probably need to remind them. Personally I'd probably just slow down at that point.

They’ll anticipate you being at your final approach speed at the final approach fix.
Slow down as appropriate to do so.

GogglesPisano 12-31-2024 11:45 AM

Maintain your last assigned speed until cleared for the approach. At Class B primary airports that last published speed is almost always 250.

Approach controllers want everyone at that speed, otherwise they will assign a different speed. If you want to trigger a controller slow below 250kts below 10,000ft without a clearance.

zerozero 12-31-2024 11:53 AM


Originally Posted by GogglesPisano (Post 3866262)
Maintain your last assigned speed until cleared for the approach.

This is the correct answer.

Unless ATC stipulates a speed restriction as part of the approach clearance: "Maintain 170 knots to GIIGI, cleared ILS 25L approach."

Seven3guy 12-31-2024 04:11 PM

What they said.
plus you can always ask for speed relief.

leftondelta 01-01-2025 04:04 AM

While on the lateral track of the STAR, maintain the last published speed. When ATC issues you a vector off the STAR, absent a speed restriction as part of the vector, or an approach clearance without a speed restriction, speed is now your discretion.

AIM: 4-4-12.a:

ATC will issue speed adjustments to pilots of radar controlled aircraft to achieve or maintain appropriate spacing. If necessary, ATC will assign a speed when approving deviations or radar vectoring off procedures that include published speed restrictions or a chart note used to transition from Mach to IAS. If no speed is assigned, speed becomes pilot's discretion. However, when the aircraft reaches the end of the STAR, the last published speed on the STAR must be maintained until ATC deletes it, assigns a new speed, issues a vector, assigns a direct route, or issues an approach clearance.
This also matches what ATC is expecting.

7110.65: 5-7-1-e:


A speed restriction published as part of a SID/STAR is canceled when an aircraft is vectored off, or a deviation from the SID/STAR is approved. If necessary, assign a speed in conjunction with the vector or approval to deviate.

NOTE-
​​​​​​​
The last published speed on a STAR will be maintained by the aircraft until ATC deletes it, assigns a new speed, issues a vector, assigns a direct route or issues an approach clearance.

Sliceback 01-05-2025 04:41 AM


Originally Posted by TiredSoul (Post 3866260)
They’ll anticipate you being at your final approach speed at the final approach fix.
Slow down as appropriate to do so.

I'd be surprised it that's what ATC expects as most flights are aiming for stable just prior to 1000' on VFR days. Low IFR? Vref at the FAF, or very shortly thereafter, is prudent.

IMO give them 150-160 to the FAF on VFR days and they'll love you OR tell you to slow down.

TiredSoul 01-07-2025 09:22 AM


Originally Posted by Sliceback (Post 3867649)
I'd be surprised it that's what ATC expects as most flights are aiming for stable just prior to 1000' on VFR days. Low IFR? Vref at the FAF, or very shortly thereafter, is prudent.

IMO give them 150-160 to the FAF on VFR days and they'll love you OR tell you to slow down.

Uh not exactly


  1. Approach clearances or climb via/descend via clearances cancel any previously assigned speeds. Pilots are expected to make their own speed adjustments to fly the approach, SID, or STAR unless assigned speeds are restated.

https://www.faa.gov/air_traffic/publ...section_7.html

So what speed should ATC expect at the FAF?
Vmo?

sourdough44 02-13-2025 03:15 AM

Keep an eye on the TCAS, most stars they want you 10 miles in trail of traffic in front, ORD a biggie. If no speed & smooth, I keep it moving until inside 12 or so, then I slow to match, often 300.

The other option is to be oblivious & let ATC dictate everything. On final go to higher alert at 3, target speed if approaching 2.5. I haven't gone missed approach in forever.

What's a few knots among friends?? BWTHDIK??


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