<< >> NASA ASRS Report 198539, January 1992

Commuter flight crew questions the legality of a side step to a runway with mins reported below approach mins.

Attributes
ACN	198539
Time
Date	199201
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : bna
State Reference	TN
Altitude	agl bound lower : 500 agl bound upper : 500
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tower : bna
Operator	common carrier : air carrier
Make Model Name	Small Transport, Low Wing, 2 Turboprop Eng
Flight Phase	descent : approach landing other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : cfi
Experience	flight time last 90 days : 200 flight time total : 2600 flight time type : 900
ASRS Report	198539
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

On short final to 2R at nashville international we were asked if we could sidestep to the center runway. Our approach was in progress. The ILS 2R GS out and had been already cleared to land when the request was made. We agreed and proceeded to maneuver to land on 2C. There was some ground fog covering the west half of the airport. Some of this fog was over the departure end of 2C. We are unclr if we were cleared correctly as the ATIS only called 1/2 mi visibility and 6000+ RVR on 2R, no RVR available on 2C. There is an approach to 2C which calls for 1 mi visibility. We feel we had the visibility to complete the approach and landing safely and never came in contact with any obscuring fog or clouds.

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Original NASA ASRS Text

Title: COMMUTER FLC QUESTIONS THE LEGALITY OF A SIDE STEP TO A RWY WITH MINS RPTED BELOW APCH MINS.

Narrative: ON SHORT FINAL TO 2R AT NASHVILLE INTL WE WERE ASKED IF WE COULD SIDESTEP TO THE CENTER RWY. OUR APCH WAS IN PROGRESS. THE ILS 2R GS OUT AND HAD BEEN ALREADY CLRED TO LAND WHEN THE REQUEST WAS MADE. WE AGREED AND PROCEEDED TO MANEUVER TO LAND ON 2C. THERE WAS SOME GND FOG COVERING THE W HALF OF THE ARPT. SOME OF THIS FOG WAS OVER THE DEP END OF 2C. WE ARE UNCLR IF WE WERE CLRED CORRECTLY AS THE ATIS ONLY CALLED 1/2 MI VISIBILITY AND 6000+ RVR ON 2R, NO RVR AVAILABLE ON 2C. THERE IS AN APCH TO 2C WHICH CALLS FOR 1 MI VISIBILITY. WE FEEL WE HAD THE VISIBILITY TO COMPLETE THE APCH AND LNDG SAFELY AND NEVER CAME IN CONTACT WITH ANY OBSCURING FOG OR CLOUDS.

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.