UPS high speen departure

[gt2]

Heard a UPS crew tell ATC they needed to exceed 250 knots below 10k. Just curious as to why you'd have to do that on any of the aircraft.

 

[TankerPuke]

Probably too heavy and their min maneuvering speed was greater than 250.

 

[Fliteidol]

FAR 91.117(d) If the minimum safe airspeed for any particular operation is greater than the maximum speed prescribed in this section, the aircraft may be operated at that minimum speed.

It was probably a 747 and the particular operation was a flaps up climb at a heavy weight. As to notifying ATC, debatable as to the requirement but certainly a courtesy.

 

[propilot]

It's courtesy to tell them in the US not required. It's operational necessity. Either that or climb to 10K dirty. In Europe, expect a lot of paperwork and possible violations if you don't ask permission first... To say it's a 74... maybe, there are others that have the same issue.

 

[HoursHore]

Heavy 74 and MD-11 will be above 250 on departure. Courtesy to let ATC know, but not required.

 

[Fliteidol]

It's courtesy to tell them in the US not required. It's operational necessity. Either that or climb to 10K dirty. In Europe, expect a lot of paperwork and possible violations if you don't ask permission first... To say it's a 74... maybe, there are others that have the same issue.

Not quite true. For example in German airspace the restriction is 250 kts below 10,000 except in class C airspace which happens to be the busiest terminal areas. So if you depart Frankfurt and request a speed above 250 you may well receive a precise German correction along the lines......."you are in class C airspace, zere are no restrictions."

 

[b747dogg]

Clean speed for the 747 classics is about 275. Climbing out dirty is not an option, burns too much fuel.

 

[propilot]

Not quite true. For example in German airspace the restriction is 250 kts below 10,000 except in class C airspace which happens to be the busiest terminal areas. So if you depart Frankfurt and request a speed above 250 you may well receive a precise German correction along the lines......."you are in class C airspace, zere are no restrictions."[/QUOTE

We always ask in Germany...Never been given that response. Usually asked why need the speed restriction waived...

 

[Fliteidol]

OK..... Class C airspace in Germany is terminal control zones around busy airports (EDDF etc kinda like our class B) and airspace above FL100. Next time you are there read the notes on the Jepp. Its says ...Max 250kts below FL100 except in class C airspace. As you are IN class C airspace there is NO restriction and nothing to "waive" and the German controllers know this. You will never hear a Lufthansa crew asking for "high speed".... just us Yanks.

 

[propilot]

yawn...