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ATC equipment problem loss of frequency. Air carrier X had less than standard separation from air carrier Y. System error.
| Attributes | |
| ACN | 250857 |
| Time | |
| Date | 199309 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : wst |
| State Reference | RI |
| Altitude | msl bound lower : 10000 msl bound upper : 10000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : pvd |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| ASRS Report | 250857 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 11280 vertical : 0 |
| Supplementary | |
| Primary Problem | Navigational Facility |
| Air Traffic Incident | Operational Error |
Narrative:
Air carrier X landing pvd, air carrier Y en route to jfk, both at 10000 ft due to crossing traffic at 9000 ft. Controller lost frequency (119.45), both main and standby receivers and transmitters. Standard IFR separation was lost due to loss of frequencys. The aircraft came within 1.88 mi, both at 10000 ft.
Original NASA ASRS Text
Title: ATC EQUIP PROB LOSS OF FREQ. ACR X HAD LTSS FROM ACR Y. SYS ERROR.
Narrative: ACR X LNDG PVD, ACR Y ENRTE TO JFK, BOTH AT 10000 FT DUE TO XING TFC AT 9000 FT. CTLR LOST FREQ (119.45), BOTH MAIN AND STANDBY RECEIVERS AND XMITTERS. STANDARD IFR SEPARATION WAS LOST DUE TO LOSS OF FREQS. THE ACFT CAME WITHIN 1.88 MI, BOTH AT 10000 FT.
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.