TAS and Simbrief

[737_800 434]

What is the best way to show the AVG TAS Speed for a flight on Simbrief? I always look at the en route TAS and try to calc an average. However, I am looking for an more efficient way. I need the value for the VATSIM flightplan.

[SAS443 1,723]

Any flightplan I have filed for VATSIM and (and IRL for that matter) have always been TAS cruise speed, not an average?

Edited April 12, 2021 by SAS443

[737_800 434]

Yes, but what is my true air speed? Where can I see this number in the flightplan?

 

What I meant with AVG is, that I look at the each waypoint in the flightplan for TAS and try to estimate what TAS I would have in average for the whole flight. It would make any sense if I would put the highest TAS into the FP, right?

[SAS443 1,723]

You don't need to be that exact. Just type TAS 450 in your VATSIM flightplan if you are flying a B738. No need to be super accurate. File the plan and Enjoy your flight!

[cwburnett 1,809]

2 hours ago, 737_800 said:

What is the best way to show the AVG TAS Speed for a flight on Simbrief? I always look at the en route TAS and try to calc an average. However, I am looking for an more efficient way. I need the value for the VATSIM flightplan.

If you open up your OFP and look at the ICAO flight plan section, you will see the route is prefixed by the cruise speed and cruise altitude.

It is item 15 on the ICAO plan:
 

Quote

ITEM 15: ROUTE

ENTER the first cruising speed as in (a) and the first cruising level as in (b), without a space between them.

THEN following the arrow, ENTER the route description as in (c).

ENTER the True Air Speed for the first or the whole cruising portion of the flight, in terms of:

Kilometers per hour, expressed as K followed by 4 figures (for example, K0830), or

Knots, expressed as N followed by 4 figures (for example, N0485), or

True Mach number, when so prescribed by the appropriate ATS authority, to the nearest hundredth of unit Mach, expressed as M followed by 3 figures (for example, M082).

 

From (https://www.faa.gov/air_traffic/publications/atpubs/fs_html/appendix_a.html)