 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Radio failures occurred over a 20 hour period due to telecon line outages.
| Attributes | |
| ACN | 241760 |
| Time | |
| Date | 199305 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : zkc |
| State Reference | MO |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Route In Use | enroute airway : zkc |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 10 |
| ASRS Report | 241760 |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Navigational Facility |
| Air Traffic Incident | other |
| Situations | |
| Navigational Aid | Unspecified |
Narrative:
Kansas city ARTCC experienced numerous complete radio failures during the period may/xx/93 at XA30 local to may/yy/92 XB30 local. During periods of thunderstorm activity and normal traffic activity, radio frequencys and landlines started to fail -- as many as 20 at a time. This situation remained for 20 hours. Management (FAA) explained that telephone company had been changing software and was unable to recover from a major failure. They were also unable to rerte any of these lines. Traffic was adversely impacted for 20 hours.
Original NASA ASRS Text
Title: RADIO FAILURES OCCURRED OVER A 20 HR PERIOD DUE TO TELECON LINE OUTAGES.
Narrative: KANSAS CITY ARTCC EXPERIENCED NUMEROUS COMPLETE RADIO FAILURES DURING THE PERIOD MAY/XX/93 AT XA30 LCL TO MAY/YY/92 XB30 LCL. DURING PERIODS OF TSTM ACTIVITY AND NORMAL TFC ACTIVITY, RADIO FREQS AND LANDLINES STARTED TO FAIL -- AS MANY AS 20 AT A TIME. THIS SIT REMAINED FOR 20 HRS. MGMNT (FAA) EXPLAINED THAT TELCO HAD BEEN CHANGING SOFTWARE AND WAS UNABLE TO RECOVER FROM A MAJOR FAILURE. THEY WERE ALSO UNABLE TO RERTE ANY OF THESE LINES. TFC WAS ADVERSELY IMPACTED FOR 20 HRS.
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.