Sav controller concerned with frequency static in relation to air carrier, airport parking.

Attributes
ACN	498240
Time
Date	200101
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sav.airport
State Reference	GA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	ground : parked ground : pushback ground : taxi
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : ground
Qualification	controller : radar pilot : private
Experience	controller non radar : 8 controller radar : 2
ASRS Report	498240
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Independent Detector	other controllera
Resolutory Action	none taken : unable
Supplementary
Problem Areas	Company Maintenance Human Performance Airport ATC Facility
Primary Problem	ATC Facility
Situations
ATC Facility	communication equipment : sav.tower

Narrative:

Problem: when air carrier's push back for taxi or clearance, the frequency at all position in the tower get static, except the one the aircraft is talking to. Solutions: get the ACARS for air traffic and pre departure clearance for the air carrier's. Callback conversation with reporter revealed the following information: type aircraft causing most of the static frequency override problem was usually a B757. The reporter advised that this problem was not known to be coordination through facility maintenance.

Original NASA ASRS Text

Title: SAV CTLR CONCERNED WITH FREQ STATIC IN RELATION TO ACR, ARPT PARKING.

Narrative: PROB: WHEN ACR'S PUSH BACK FOR TAXI OR CLRNC, THE FREQ AT ALL POS IN THE TWR GET STATIC, EXCEPT THE ONE THE ACFT IS TALKING TO. SOLUTIONS: GET THE ACARS FOR AIR TFC AND PDC FOR THE ACR'S. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: TYPE ACFT CAUSING MOST OF THE STATIC FREQ OVERRIDE PROB WAS USUALLY A B757. THE RPTR ADVISED THAT THIS PROB WAS NOT KNOWN TO BE COORD THROUGH FACILITY MAINT.

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.