<< >> NASA ASRS Report 375800, July 1997

A B737-300 loses radio contact with ZJX, fl. Company communications alerts flight crew to the fact that they have lost contact.

Attributes
ACN	375800
Time
Date	199707
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : tlh
State Reference	FL
Altitude	msl bound lower : 35000 msl bound upper : 35000
Environment
Flight Conditions	IMC
Light	Dusk
Aircraft 1
Controlling Facilities	artcc : zjx
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 6000 flight time type : 3500
ASRS Report	375800
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	inflight encounter : weather non adherence : clearance non adherence : far other anomaly other
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

En route to orlando, fl, contact was lost with center. Working around WX and with new first officer, we felt like it had been a long time since we had talked with center. This was the time our dispatch called to tell us to contact ZJX on another frequency. There had been continuous conversations on the last frequency we had switched to. 3 possible things could have happened: 1) we never checked in on our last frequency, and both center and us forgot. 2) center forgot about us until it was too late to reach us. 3) we were totally distraction and never heard our call sign (we do not believe this to be the case). Lesson learned: when in doubt, ask the question: 'hello center, XXX radio check, etc.' no conflict with other aircraft or routing problems occurred.

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Original NASA ASRS Text

Title: A B737-300 LOSES RADIO CONTACT WITH ZJX, FL. COMPANY COMS ALERTS FLC TO THE FACT THAT THEY HAVE LOST CONTACT.

Narrative: ENRTE TO ORLANDO, FL, CONTACT WAS LOST WITH CTR. WORKING AROUND WX AND WITH NEW FO, WE FELT LIKE IT HAD BEEN A LONG TIME SINCE WE HAD TALKED WITH CTR. THIS WAS THE TIME OUR DISPATCH CALLED TO TELL US TO CONTACT ZJX ON ANOTHER FREQ. THERE HAD BEEN CONTINUOUS CONVERSATIONS ON THE LAST FREQ WE HAD SWITCHED TO. 3 POSSIBLE THINGS COULD HAVE HAPPENED: 1) WE NEVER CHKED IN ON OUR LAST FREQ, AND BOTH CTR AND US FORGOT. 2) CTR FORGOT ABOUT US UNTIL IT WAS TOO LATE TO REACH US. 3) WE WERE TOTALLY DISTR AND NEVER HEARD OUR CALL SIGN (WE DO NOT BELIEVE THIS TO BE THE CASE). LESSON LEARNED: WHEN IN DOUBT, ASK THE QUESTION: 'HELLO CTR, XXX RADIO CHK, ETC.' NO CONFLICT WITH OTHER ACFT OR ROUTING PROBS OCCURRED.

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.