Narrative:

On dec/wed/98, I was the first officer aboard air carrier abcd operating mke-pdx. The WX deteriorated throughout the am at pdx to CAT ii minimums. Per company procedures the captain briefed CAT ii procedures from the appropriate ILS chart (runway 10R), he also included the low visibility taxi chart commercial 10-9C. The approach to runway 10R was made with touchdown zone RVR 2000 ft, mid approximately 1200 ft and rollout 1000 ft. Touchdown was uneventful as well as rollout, we came to taxi speed just short of taxiway F. Wanting to exit as quickly as possible the captain turned right onto taxiway F. As we were doing this the tower advised taxi on down the runway to taxiway C6. We were already on taxiway F and obviously the tower did not see us. We advised we were on taxiway F, tower quickly said 'taxiway F is not stressed contact ground 121.9,' which we did, they advised to taxi to our ramp. As far as I know no damage was done to taxiway or aircraft. Factors: airport diagram commercial 10-9 has note that taxiway F is not stressed for aircraft over 65000 pounds, low visibility chart does not have note for taxiway F. We actually shoot very few CAT ii, low visibility approachs a yr, definitely not enough to stay current on low visibility procedures. This was my first actual CAT ii approach as an first officer. Tower should advise where they recommend a taxi turn-off, ie, left or right.

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Original NASA ASRS Text

Title: DC8 CARGO CREW TURNED ONTO TXWY F UNDER LOW VISIBILITY CONDITIONS. TXWY F IS WT RESTR.

Narrative: ON DEC/WED/98, I WAS THE FO ABOARD ACR ABCD OPERATING MKE-PDX. THE WX DETERIORATED THROUGHOUT THE AM AT PDX TO CAT II MINIMUMS. PER COMPANY PROCS THE CAPT BRIEFED CAT II PROCS FROM THE APPROPRIATE ILS CHART (RWY 10R), HE ALSO INCLUDED THE LOW VISIBILITY TAXI CHART COMMERCIAL 10-9C. THE APCH TO RWY 10R WAS MADE WITH TOUCHDOWN ZONE RVR 2000 FT, MID APPROX 1200 FT AND ROLLOUT 1000 FT. TOUCHDOWN WAS UNEVENTFUL AS WELL AS ROLLOUT, WE CAME TO TAXI SPD JUST SHORT OF TXWY F. WANTING TO EXIT AS QUICKLY AS POSSIBLE THE CAPT TURNED R ONTO TXWY F. AS WE WERE DOING THIS THE TWR ADVISED TAXI ON DOWN THE RWY TO TXWY C6. WE WERE ALREADY ON TXWY F AND OBVIOUSLY THE TWR DID NOT SEE US. WE ADVISED WE WERE ON TXWY F, TWR QUICKLY SAID 'TXWY F IS NOT STRESSED CONTACT GND 121.9,' WHICH WE DID, THEY ADVISED TO TAXI TO OUR RAMP. AS FAR AS I KNOW NO DAMAGE WAS DONE TO TXWY OR ACFT. FACTORS: ARPT DIAGRAM COMMERCIAL 10-9 HAS NOTE THAT TXWY F IS NOT STRESSED FOR ACFT OVER 65000 LBS, LOW VISIBILITY CHART DOES NOT HAVE NOTE FOR TXWY F. WE ACTUALLY SHOOT VERY FEW CAT II, LOW VISIBILITY APCHS A YR, DEFINITELY NOT ENOUGH TO STAY CURRENT ON LOW VISIBILITY PROCS. THIS WAS MY FIRST ACTUAL CAT II APCH AS AN FO. TWR SHOULD ADVISE WHERE THEY RECOMMEND A TAXI TURN-OFF, IE, L OR R.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.