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Flight crew of an large transport air carrier aircraft resorted to lost communication procedure after losing both communications during descent and then overcoming the problem before landing.
| Attributes | |
| ACN | 253436 |
| Time | |
| Date | 199310 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : bwz airport : ewr |
| State Reference | NJ |
| Altitude | msl bound lower : 7000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny tracon : n90 artcc : zny |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | descent other |
| Route In Use | arrival other arrival star : star enroute airway : n90 enroute airway : zny |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 250 flight time total : 18000 flight time type : 12000 |
| ASRS Report | 253436 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : atp pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Lost communication on both VHF radios due to internal malfunction. Squawked 7600 and proceeded with lost communication descent into ewr. (Expect 'sweet' at 7000 ft.) unplugged all headsets and mikes except one and regained communication during descent. Rest of flight normal.
Original NASA ASRS Text
Title: FLC OF AN LGT ACR ACFT RESORTED TO LOST COM PROC AFTER LOSING BOTH COMS DURING DSCNT AND THEN OVERCOMING THE PROB BEFORE LNDG.
Narrative: LOST COM ON BOTH VHF RADIOS DUE TO INTERNAL MALFUNCTION. SQUAWKED 7600 AND PROCEEDED WITH LOST COM DSCNT INTO EWR. (EXPECT 'SWEET' AT 7000 FT.) UNPLUGGED ALL HEADSETS AND MIKES EXCEPT ONE AND REGAINED COM DURING DSCNT. REST OF FLT NORMAL.
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.