Reporter does not agree that a lahso on runway 35 at phl is acceptable with up to a 10 KT tailwind.

Attributes
ACN	441200
Time
Date	199906
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : phl.airport
State Reference	PA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Person 1
Affiliation	government : faa
Function	controller : local
Qualification	controller : radar
Experience	controller radar : 12 controller time certified in position1 : 7
ASRS Report	441200
Events
Anomaly	non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Supplementary
Problem Areas	ATC Human Performance Airport Company FAA Flight Crew Human Performance ATC Facility
Primary Problem	FAA

Narrative:

Since the loss of lahso's, we have routinely been instructed to run lahso's to runway 35 with up to a 10 KT tailwind. On this date, the surface winds were 220 degrees at 8-9 KTS. Winds at 3000 ft were 180 degrees at 33 KTS. Winds at 2000 ft were 220 degrees at 40 KTS. We routinely run this kind of operation. Although nothing bad has happened yet, I feel that it is only a matter of time. We have also been told that it is an acceptable operation with the airlines to operate with up to a 10 KT tailwind. I am not a pilot, but my previous training teaches me otherwise.

Original NASA ASRS Text

Title: RPTR DOES NOT AGREE THAT A LAHSO ON RWY 35 AT PHL IS ACCEPTABLE WITH UP TO A 10 KT TAILWIND.

Narrative: SINCE THE LOSS OF LAHSO'S, WE HAVE ROUTINELY BEEN INSTRUCTED TO RUN LAHSO'S TO RWY 35 WITH UP TO A 10 KT TAILWIND. ON THIS DATE, THE SURFACE WINDS WERE 220 DEGS AT 8-9 KTS. WINDS AT 3000 FT WERE 180 DEGS AT 33 KTS. WINDS AT 2000 FT WERE 220 DEGS AT 40 KTS. WE ROUTINELY RUN THIS KIND OF OP. ALTHOUGH NOTHING BAD HAS HAPPENED YET, I FEEL THAT IT IS ONLY A MATTER OF TIME. WE HAVE ALSO BEEN TOLD THAT IT IS AN ACCEPTABLE OP WITH THE AIRLINES TO OPERATE WITH UP TO A 10 KT TAILWIND. I AM NOT A PLT, BUT MY PREVIOUS TRAINING TEACHES ME OTHERWISE.

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.