An air carrier small transport crew thought that it landed without proper RVR.

Attributes
ACN	285694
Time
Date	199410
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : otz
State Reference	AK
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zan
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 135
Flight Phase	descent : approach landing other
Route In Use	approach : straight in
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 4000 flight time type : 200
ASRS Report	285694
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 300 flight time total : 5300 flight time type : 1900
ASRS Report	285693
Events
Anomaly	inflight encounter : weather other anomaly other 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:

While on IFR clearance to otz, WX was received from otz FSS and was determined to be good for the approach. Upon initial contact with FSS, while joining the arc for the ILS runway 8, FSS reported a cessna 207 holding for special VFR winds 160 degrees at 23 KTS, altimeter setting 29.61 prevailing visibility given at 3/4 variable 1/2 to 1 1/4 inches. We reported the FAF inbound and asked if they were still reporting 3/4 mi. FSS indicated 3/4 mi was still the prevailing visibility. We continued the approach to the ground, breaking out of the obscuration at 700-800 ft. Forward visibility was 1 1/2 - 2 mi as seen from the cockpit. Upon landing and postflt briefing, we realized that RVR was controling and using prevailing visibility was contrary to FARS. Communication was congested, monitoring 122.9 was essential to keep track of VFR aircraft in MVFR and IFR conditions. RVR reports of 2800- 2400 ft were given twice to other aircraft, but we did not hear (assimilate) due to radio congestion and listening for our own call sign. No RVR reports were given to us at any time (determined by listening to FSS tapes).

Original NASA ASRS Text

Title: AN ACR SMT CREW THOUGHT THAT IT LANDED WITHOUT PROPER RVR.

Narrative: WHILE ON IFR CLRNC TO OTZ, WX WAS RECEIVED FROM OTZ FSS AND WAS DETERMINED TO BE GOOD FOR THE APCH. UPON INITIAL CONTACT WITH FSS, WHILE JOINING THE ARC FOR THE ILS RWY 8, FSS RPTED A CESSNA 207 HOLDING FOR SPECIAL VFR WINDS 160 DEGS AT 23 KTS, ALTIMETER SETTING 29.61 PREVAILING VISIBILITY GIVEN AT 3/4 VARIABLE 1/2 TO 1 1/4 INCHES. WE RPTED THE FAF INBOUND AND ASKED IF THEY WERE STILL RPTING 3/4 MI. FSS INDICATED 3/4 MI WAS STILL THE PREVAILING VISIBILITY. WE CONTINUED THE APCH TO THE GND, BREAKING OUT OF THE OBSCURATION AT 700-800 FT. FORWARD VISIBILITY WAS 1 1/2 - 2 MI AS SEEN FROM THE COCKPIT. UPON LNDG AND POSTFLT BRIEFING, WE REALIZED THAT RVR WAS CTLING AND USING PREVAILING VISIBILITY WAS CONTRARY TO FARS. COM WAS CONGESTED, MONITORING 122.9 WAS ESSENTIAL TO KEEP TRACK OF VFR ACFT IN MVFR AND IFR CONDITIONS. RVR RPTS OF 2800- 2400 FT WERE GIVEN TWICE TO OTHER ACFT, BUT WE DID NOT HEAR (ASSIMILATE) DUE TO RADIO CONGESTION AND LISTENING FOR OUR OWN CALL SIGN. NO RVR RPTS WERE GIVEN TO US AT ANY TIME (DETERMINED BY LISTENING TO FSS TAPES).

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.