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Air carrier medium large transport flight crew lands below minimums, understood RVR 600 to be RVR 1600.
| Attributes | |
| ACN | 131079 |
| Time | |
| Date | 198912 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : smf |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : smf |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent : approach landing other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 11000 flight time type : 9000 |
| ASRS Report | 131079 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 3000 flight time type : 125 |
| ASRS Report | 130867 |
| Events | |
| Anomaly | inflight encounter : weather non adherence : far 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 | Ambiguous |
| Air Traffic Incident | other |
Narrative:
Frequently checked the WX reports as we approached smf. RVR was fluctuating on different reports. Just before final approach, controller read RVR to crew. Crew 'thought' he said RVR 16/6/6. Continued approach and landed. During taxi-in realized RVR must have been 6/6/6 due to the poor visibility. We feel confusion resulted from the similarity between runway 16 and RVR 16. Contributing factors include that the time was 2300 hours (pilot's home time), it was the end of a long (3:30) night flight, and pilot attentiveness was affected by these factors. Additionally, the first officer only had 4 months experience. Recommend improving communications between controllers and pilots, possibly require readback of RVR by crews.
Original NASA ASRS Text
Title: ACR MLG FLT CREW LANDS BELOW MINIMUMS, UNDERSTOOD RVR 600 TO BE RVR 1600.
Narrative: FREQUENTLY CHKED THE WX RPTS AS WE APCHED SMF. RVR WAS FLUCTUATING ON DIFFERENT RPTS. JUST BEFORE FINAL APCH, CTLR READ RVR TO CREW. CREW 'THOUGHT' HE SAID RVR 16/6/6. CONTINUED APCH AND LANDED. DURING TAXI-IN REALIZED RVR MUST HAVE BEEN 6/6/6 DUE TO THE POOR VISIBILITY. WE FEEL CONFUSION RESULTED FROM THE SIMILARITY BTWN RWY 16 AND RVR 16. CONTRIBUTING FACTORS INCLUDE THAT THE TIME WAS 2300 HRS (PLT'S HOME TIME), IT WAS THE END OF A LONG (3:30) NIGHT FLT, AND PLT ATTENTIVENESS WAS AFFECTED BY THESE FACTORS. ADDITIONALLY, THE F/O ONLY HAD 4 MONTHS EXPERIENCE. RECOMMEND IMPROVING COMS BTWN CTLRS AND PLTS, POSSIBLY REQUIRE READBACK OF RVR BY CREWS.
Data retrieved from NASA's ASRS site as of August 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.