<< >> NASA ASRS Report 403526, May 1998

Flight crew of super 80 encounters windshear with quartering crosswind on approach and has loss of VHF communication during go around. Two more attempts to land are executed on different runways.

Attributes
ACN	403526
Time
Date	199805
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : den
State Reference	CO
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tower : den
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	descent : approach landing : go around
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	403526
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : less severe inflight encounter : weather other anomaly other
Independent Detector	other flight crewa
Resolutory Action	other other
Consequence	Other
Supplementary
Primary Problem	Weather
Air Traffic Incident	other

Narrative:

During a visual approach to runway 17L at den, we encountered a windshear from a quartering right crosswind to a tailwind during the last 1500 ft of the approach with myself as the PF. Also at the same time we lost communications with both VHF communications inoperative for a brief period. We regained the HF transmitter during the go around and used it through the second visual to runway 26, where we went around again due to a 30+ KT crosswind and windshear event. Finally with still adequate fuel reserves we returned to den and made a visual to runway 35R into the wind. We landed safely, much to the relief of all onboard and sought maintenance on the #2 VHF communication. ATC was a great help in getting us safely into den and there was no special request for a report on the lost communication situation.

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Original NASA ASRS Text

Title: FLC OF SUPER 80 ENCOUNTERS WINDSHEAR WITH QUARTERING XWIND ON APCH AND HAS LOSS OF VHF COM DURING GAR. TWO MORE ATTEMPTS TO LAND ARE EXECUTED ON DIFFERENT RWYS.

Narrative: DURING A VISUAL APCH TO RWY 17L AT DEN, WE ENCOUNTERED A WINDSHEAR FROM A QUARTERING R XWIND TO A TAILWIND DURING THE LAST 1500 FT OF THE APCH WITH MYSELF AS THE PF. ALSO AT THE SAME TIME WE LOST COMS WITH BOTH VHF COMS INOP FOR A BRIEF PERIOD. WE REGAINED THE HF XMITTER DURING THE GAR AND USED IT THROUGH THE SECOND VISUAL TO RWY 26, WHERE WE WENT AROUND AGAIN DUE TO A 30+ KT XWIND AND WINDSHEAR EVENT. FINALLY WITH STILL ADEQUATE FUEL RESERVES WE RETURNED TO DEN AND MADE A VISUAL TO RWY 35R INTO THE WIND. WE LANDED SAFELY, MUCH TO THE RELIEF OF ALL ONBOARD AND SOUGHT MAINT ON THE #2 VHF COM. ATC WAS A GREAT HELP IN GETTING US SAFELY INTO DEN AND THERE WAS NO SPECIAL REQUEST FOR A RPT ON THE LOST COM SIT.

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.