A controller at evv approach facility discovered that shortly after installation of the ARTS 2 progr...

Attributes
ACN	460867
Time
Date	200001
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : evv.tracon
State Reference	IN
Altitude	agl single value : 0
Aircraft 1
Controlling Facilities	tracon : evv.tracon
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	cruise other
Flight Plan	VFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 8
ASRS Report	460867
Person 2
Affiliation	government : faa
Function	maintenance : technician
Qualification	technician : repairman
Events
Anomaly	other anomaly other
Independent Detector	atc equipment other atc equipment : arts other controllera other other : technician
Resolutory Action	controller : provided flight assist
Supplementary
Problem Areas	Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Evv ATCT emergency/hijack/radio failure beacon code aural alarm is non functional. This failure may be related to the recent installation of the ARTS iie program. I first noticed this situation during an airways facilities equipment check on or about jan/wed/00. The technician involved reacted as if he had no prior knowledge of the malfunction. Since that time we instructed one lost aircraft to squawk 7700 with no corresponding alarm, and at the time of writing this report (jan/thu/00 approximately XA30Z) another aircraft squawked 7700 as a test and there was again no alarm. Callback conversation with reporter revealed the following information: reporter stated that the problem has been fixed but does not know what work was down. He said evv is an up and down facility and at 2300 hours, evv approach control is combined to the tower cabin attendant. There are no speakers in the tower cabin attendant to receive an aural alarm but the facility technicians are aware and working on the problem.

Original NASA ASRS Text

Title: A CTLR AT EVV APCH FACILITY DISCOVERED THAT SHORTLY AFTER INSTALLATION OF THE ARTS 2 PROGRAM, THE AURAL ALARM DID NOT SOUND WHEN AN ACFT USED SQUAWK 7700.

Narrative: EVV ATCT EMER/HIJACK/RADIO FAILURE BEACON CODE AURAL ALARM IS NON FUNCTIONAL. THIS FAILURE MAY BE RELATED TO THE RECENT INSTALLATION OF THE ARTS IIE PROGRAM. I FIRST NOTICED THIS SIT DURING AN AIRWAYS FACILITIES EQUIP CHK ON OR ABOUT JAN/WED/00. THE TECHNICIAN INVOLVED REACTED AS IF HE HAD NO PRIOR KNOWLEDGE OF THE MALFUNCTION. SINCE THAT TIME WE INSTRUCTED ONE LOST ACFT TO SQUAWK 7700 WITH NO CORRESPONDING ALARM, AND AT THE TIME OF WRITING THIS RPT (JAN/THU/00 APPROX XA30Z) ANOTHER ACFT SQUAWKED 7700 AS A TEST AND THERE WAS AGAIN NO ALARM. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED THAT THE PROB HAS BEEN FIXED BUT DOES NOT KNOW WHAT WORK WAS DOWN. HE SAID EVV IS AN UP AND DOWN FACILITY AND AT 2300 HRS, EVV APCH CTL IS COMBINED TO THE TWR CAB. THERE ARE NO SPEAKERS IN THE TWR CAB TO RECEIVE AN AURAL ALARM BUT THE FACILITY TECHNICIANS ARE AWARE AND WORKING ON THE PROB.

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.

A controller at evv approach facility discovered that shortly after installation of the ARTS 2 program, the aural alarm did not sound when an aircraft used squawk 7700.