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Flight crew reporting indicate they may have taken off inadvertently with RVR below their takeoff minimums inasmuch as tower advised the following aircraft taking position that RVR was now 1000' RVR when 1600' RVR was required with centerline lights out of service.
| Attributes | |
| ACN | 161458 |
| Time | |
| Date | 199011 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dca |
| State Reference | DC |
| Altitude | agl bound lower : 0 agl bound upper : 1000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 7900 flight time type : 525 |
| ASRS Report | 161458 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 120 flight time total : 5000 flight time type : 500 |
| ASRS Report | 161654 |
| Events | |
| Anomaly | non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
ATIS at dca reported prevailing visibility at 5/8 mi. I requested a takeoff alternate with company and was issued abe. We taxied to runway 36 for departure and noticed takeoff minimums to be 1600' RVR or 1/4 mi. (We were well within these limits.) we are now about #7 for departure. At the #1 position we switched to tower and were cleared into position and hold (runway 36). A takeoff clearance was issued and we proceeded. When the tower cleared the next aircraft into position and hold he reported the RVR at 1000'. I had noticed prior to departure the runway cl lights were OTS, thus requiring at least 1600' RVR for takeoff. We were not given RVR prior to takeoff and with good forward visibility, commenced our takeoff. Cl lights would be necessary for less than 1600' RVR takeoffs. I wonder if the aircraft departing prior to us had received RVR reports prior to taking off, because the traffic continued to depart the airport with these WX conditions.
Original NASA ASRS Text
Title: FLT CREW REPORTING INDICATE THEY MAY HAVE TAKEN OFF INADVERTENTLY WITH RVR BELOW THEIR TKOF MINIMUMS INASMUCH AS TWR ADVISED THE FOLLOWING ACFT TAKING POSITION THAT RVR WAS NOW 1000' RVR WHEN 1600' RVR WAS REQUIRED WITH CENTERLINE LIGHTS OUT OF SERVICE.
Narrative: ATIS AT DCA RPTED PREVAILING VISIBILITY AT 5/8 MI. I REQUESTED A TKOF ALTERNATE WITH COMPANY AND WAS ISSUED ABE. WE TAXIED TO RWY 36 FOR DEP AND NOTICED TKOF MINIMUMS TO BE 1600' RVR OR 1/4 MI. (WE WERE WELL WITHIN THESE LIMITS.) WE ARE NOW ABOUT #7 FOR DEP. AT THE #1 POS WE SWITCHED TO TWR AND WERE CLRED INTO POS AND HOLD (RWY 36). A TKOF CLRNC WAS ISSUED AND WE PROCEEDED. WHEN THE TWR CLRED THE NEXT ACFT INTO POS AND HOLD HE RPTED THE RVR AT 1000'. I HAD NOTICED PRIOR TO DEP THE RWY CL LIGHTS WERE OTS, THUS REQUIRING AT LEAST 1600' RVR FOR TKOF. WE WERE NOT GIVEN RVR PRIOR TO TKOF AND WITH GOOD FORWARD VISIBILITY, COMMENCED OUR TKOF. CL LIGHTS WOULD BE NECESSARY FOR LESS THAN 1600' RVR TKOFS. I WONDER IF THE ACFT DEPARTING PRIOR TO US HAD RECEIVED RVR RPTS PRIOR TO TAKING OFF, BECAUSE THE TFC CONTINUED TO DEPART THE ARPT WITH THESE WX CONDITIONS.
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.