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A DC10-10 PIC elects to take off when the RVR for midpoint was 500 ft, not the required 600 ft as published at pdx, or.
| Attributes | |
| ACN | 458422 |
| Time | |
| Date | 199912 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : pdx.airport |
| State Reference | OR |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Fog |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-10 10 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : takeoff roll ground : taxi ground other : de-icing |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 20 flight time total : 12000 flight time type : 3000 |
| ASRS Report | 458422 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Events | |
| Anomaly | inflight encounter : weather non adherence : published procedure non adherence : company policies |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Environmental Factor Weather |
| Primary Problem | Flight Crew Human Performance |
Narrative:
WX fluctuating between 5 mi and 1200 ft RVR, temperature -1 degree with fog. We were dealing with deicing, and getting the information required from the certified deicer took more effort (multiple radio calls) than it should. Our load closeout, with weight and balance information, was delayed and this interfered with our normal flow. We need RVR touchdown 600 ft, mid RVR 600 ft, rollout RVR 600 ft for runway 10R of 1000 ft/500 ft/1000 ft. After some discussion we agreed that the midfield is advisory only, so we took off. Oops!
Original NASA ASRS Text
Title: A DC10-10 PIC ELECTS TO TAKE OFF WHEN THE RVR FOR MIDPOINT WAS 500 FT, NOT THE REQUIRED 600 FT AS PUBLISHED AT PDX, OR.
Narrative: WX FLUCTUATING BTWN 5 MI AND 1200 FT RVR, TEMP -1 DEG WITH FOG. WE WERE DEALING WITH DEICING, AND GETTING THE INFO REQUIRED FROM THE CERTIFIED DEICER TOOK MORE EFFORT (MULTIPLE RADIO CALLS) THAN IT SHOULD. OUR LOAD CLOSEOUT, WITH WT AND BAL INFO, WAS DELAYED AND THIS INTERFERED WITH OUR NORMAL FLOW. WE NEED RVR TOUCHDOWN 600 FT, MID RVR 600 FT, ROLLOUT RVR 600 FT FOR RWY 10R OF 1000 FT/500 FT/1000 FT. AFTER SOME DISCUSSION WE AGREED THAT THE MIDFIELD IS ADVISORY ONLY, SO WE TOOK OFF. OOPS!
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.