Canadian Braking Actions and Snowtams
Thread Starter
Joined: Aug 2006
Posts: 84
Likes: 0
From: Manchester
Canadian Braking Actions and Snowtams
Can anybody point me in the right direction?
I am trying to find out how to get hold of Canadian braking action figures which dont seem to be available on the published snowtams
Here is the CYYR one from today:
SNOWTAM
CYYR RSC 08/26 180FT CENTERLINE 90 PERCENT BARE AND DRY 10 PERCENT
DRY SNOW TRACE. REMAINDER 100 PERCENT COMPACT SNOW. 4 TO 8IN WINDROWS
10FT FM LGTS 0711141457
CYYR RSC 16/34 180FT CENTERLINE 90 PERCENT BARE AND DRY 10 PERCENT
DRY SNOW TRACE. REMAINDER 100 PERCENT DRY SNOW 1IN. 4IN WINDROWS 10FT
FM LGTS 0711141457
Cheers
Slow Progress
I am trying to find out how to get hold of Canadian braking action figures which dont seem to be available on the published snowtams
Here is the CYYR one from today:
SNOWTAM
CYYR RSC 08/26 180FT CENTERLINE 90 PERCENT BARE AND DRY 10 PERCENT
DRY SNOW TRACE. REMAINDER 100 PERCENT COMPACT SNOW. 4 TO 8IN WINDROWS
10FT FM LGTS 0711141457
CYYR RSC 16/34 180FT CENTERLINE 90 PERCENT BARE AND DRY 10 PERCENT
DRY SNOW TRACE. REMAINDER 100 PERCENT DRY SNOW 1IN. 4IN WINDROWS 10FT
FM LGTS 0711141457
Cheers
Slow Progress


Joined: Jun 2003
Aviation Qualifications: ATPL
Posts: 263
Likes: 2
From: Canada
A 90% Bare/Dry runway with a trace of dry snow will not normally have a CRFI (Canadian Runway Friction Index) value measured as the runway average will equate to a Bare/Dry runway value of .8 or maximum braking. Such conditions would normally only have a runway surface condition reported in plain language.

Joined: Mar 2006
Posts: 1,115
Likes: 86
From: England
See the Canadian AIM.
AIR Para 1.6.4. Aircraft Movement Surface Condition Reports (AMSCR)
AIR Para 1.6.1. CRFI
Also see the MET section
AIR Para 1.6.4. Aircraft Movement Surface Condition Reports (AMSCR)
AIR Para 1.6.1. CRFI
Also see the MET section




