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Flight crew missed the touchdown RVR given by tower but assumed it was at or near the 6000 ft given for midpoint and rollout though it actually was far less above minimums. Reporter fears this could have led to a below minimums approach and landing.
| Attributes | |
| ACN | 360180 |
| Time | |
| Date | 199702 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lax |
| State Reference | CA |
| Altitude | msl bound lower : 2200 msl bound upper : 2200 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : lax |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | descent : approach landing other |
| Route In Use | arrival other enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 16000 flight time type : 470 |
| ASRS Report | 360810 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | other |
Narrative:
Acting as first officer on air carrier X from rno to lax, we were cleared for ILS runway 24R lax. During final approach, it was busy with a lot of communications taking place. Switching to tower frequency RVR report was given. I missed touchdown RVR but did hear mid and rollout 6000 ft. I assumed touchdown was 6000 ft as well. Nearing decision ht I soon realized touchdown RVR was far less than 6000 ft. I did get runway in sight at ILS minimums. During our landing roll tower reported touchdown RVR 2000 ft. The RVR reported was more than needed for approach and landing but far less than I expected. In future I will not assume, but will verify important items such as RVR reports. I could easily have landed below minimums.
Original NASA ASRS Text
Title: FLC MISSED THE TOUCHDOWN RVR GIVEN BY TWR BUT ASSUMED IT WAS AT OR NEAR THE 6000 FT GIVEN FOR MIDPOINT AND ROLLOUT THOUGH IT ACTUALLY WAS FAR LESS ABOVE MINIMUMS. RPTR FEARS THIS COULD HAVE LED TO A BELOW MINIMUMS APCH AND LNDG.
Narrative: ACTING AS FO ON ACR X FROM RNO TO LAX, WE WERE CLRED FOR ILS RWY 24R LAX. DURING FINAL APCH, IT WAS BUSY WITH A LOT OF COMS TAKING PLACE. SWITCHING TO TWR FREQ RVR RPT WAS GIVEN. I MISSED TOUCHDOWN RVR BUT DID HEAR MID AND ROLLOUT 6000 FT. I ASSUMED TOUCHDOWN WAS 6000 FT AS WELL. NEARING DECISION HT I SOON REALIZED TOUCHDOWN RVR WAS FAR LESS THAN 6000 FT. I DID GET RWY IN SIGHT AT ILS MINIMUMS. DURING OUR LNDG ROLL TWR RPTED TOUCHDOWN RVR 2000 FT. THE RVR RPTED WAS MORE THAN NEEDED FOR APCH AND LNDG BUT FAR LESS THAN I EXPECTED. IN FUTURE I WILL NOT ASSUME, BUT WILL VERIFY IMPORTANT ITEMS SUCH AS RVR RPTS. I COULD EASILY HAVE LANDED BELOW MINIMUMS.
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.