Flight crew reviewed takeoff minimums for wrong runway. Takeoff made below minimums.

Attributes
ACN	423626
Time
Date	199812
Day	Sat
Place
Locale Reference	atc facility : bhm airport : bmh
State Reference	AL
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other
Route In Use	departure other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	other other : other pilot : instrument
Experience	flight time last 90 days : 200 flight time total : 5000 flight time type : 1600
ASRS Report	423626
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	non adherence : published procedure non adherence : far other anomaly other
Independent Detector	other other : unspecified cockpit
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Air Traffic Incident	Pilot Deviation

Narrative:

While taxiing to runway 5 at bhm, we requested and received from ground the following RVR values: touchdown 3500 ft, mid 6100 ft, rollout 0 ft. We referred to bhm 10-9A and our fom 3.346 (lower than standard takeoff minimums) and determined we were legal for takeoff on runway 5 with the given RVR values. After leveloff in cruise, the captain, while stowing his bhm charts, realized he had inadvertently used the data for runway 23. Runway 5 does not allow air carrier reduction below RVR 50 or 1 mi. I failed to back up the captain in determining the takeoff minimums. I was referring to the company manuals and did not look at the 10-9A page. Both aircrew need to back each other up and independently determine takeoff requirements.

Original NASA ASRS Text

Title: FLC REVIEWED TKOF MINIMUMS FOR WRONG RWY. TKOF MADE BELOW MINIMUMS.

Narrative: WHILE TAXIING TO RWY 5 AT BHM, WE REQUESTED AND RECEIVED FROM GND THE FOLLOWING RVR VALUES: TOUCHDOWN 3500 FT, MID 6100 FT, ROLLOUT 0 FT. WE REFERRED TO BHM 10-9A AND OUR FOM 3.346 (LOWER THAN STANDARD TKOF MINIMUMS) AND DETERMINED WE WERE LEGAL FOR TKOF ON RWY 5 WITH THE GIVEN RVR VALUES. AFTER LEVELOFF IN CRUISE, THE CAPT, WHILE STOWING HIS BHM CHARTS, REALIZED HE HAD INADVERTENTLY USED THE DATA FOR RWY 23. RWY 5 DOES NOT ALLOW ACR REDUCTION BELOW RVR 50 OR 1 MI. I FAILED TO BACK UP THE CAPT IN DETERMINING THE TKOF MINIMUMS. I WAS REFERRING TO THE COMPANY MANUALS AND DID NOT LOOK AT THE 10-9A PAGE. BOTH AIRCREW NEED TO BACK EACH OTHER UP AND INDEPENDENTLY DETERMINE TKOF REQUIREMENTS.

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.