<< >> NASA ASRS Report 1133428, December 2013

Air carrier flight crew reports that the wind velocity and direction reported by svmi tower is rarely accurate.

Attributes
ACN	1133428
Time
Date	201312
Local Time Of Day	1201-1800
Place
Locale Reference	SVMI.Airport
State Reference	FO
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Flight Plan	IFR
Person 1
Function	Pilot Flying Captain
Experience	Flight Crew Last 90 Days 200 Flight Crew Total 25000 Flight Crew Type 7800
Person 2
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	ATC Issue All Types

Narrative:

Having flown into svmi several times I am accustomed to seeing the reported winds different from the wind that we experience. The wind speed reported is consistently less than what we observe. Taxiing for takeoff in december 2013; the wind sock at the end of runway 10 clearly indicated that the wind was coming strongly from the west. The tower however reported an east wind of 090 at 9. Being on the ground and seeing that the runway had a tailwind we could make the adjustments needed for a safe operation. However aircraft landing had no idea of the strong tailwind for landing. If there is anyway to improve the reporting of runway winds it would greatly improve safely.

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Original NASA ASRS Text

Title: Air Carrier flight crew reports that the wind velocity and direction reported by SVMI Tower is rarely accurate.

Narrative: Having flown into SVMI several times I am accustomed to seeing the reported winds different from the wind that we experience. The wind speed reported is consistently less than what we observe. Taxiing for takeoff in December 2013; the wind sock at the end of Runway 10 clearly indicated that the wind was coming strongly from the west. The Tower however reported an east wind of 090 at 9. Being on the ground and seeing that the runway had a tailwind we could make the adjustments needed for a safe operation. However aircraft landing had no idea of the strong tailwind for landing. If there is anyway to improve the reporting of runway winds it would greatly improve safely.

Data retrieved from NASA's ASRS site as of July 2013 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.