<< >> NASA ASRS Report 377770, August 1997

An air carrier B737 flight crew report that an ARTCC controller used poor radio communication technique.

Attributes
ACN	377770
Time
Date	199708
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : gve
State Reference	VA
Altitude	msl bound lower : 16000 msl bound upper : 17000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc
Operator	common carrier : air carrier
Make Model Name	B737-200
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time total : 16500
ASRS Report	377770
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa other other : unspecified
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

On 200 degree heading at 16000-17000 ft the controller gave us a turn to 260 degrees to intercept 056 degrees off gve, and by the time I read back clearance and unkeyed the microphone, the controller was on frequency giving more instructions of calling us again. Air carrier #1 as well as air carrier #2 said they heard us. I tried several cockpit stations as well as several mikes. All readbacks were stepped on by the controller such that he never got 1 transmission. This was first communication problem after a leg and a half.

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Original NASA ASRS Text

Title: AN ACR B737 FLC RPT THAT AN ARTCC CTLR USED POOR RADIO COM TECHNIQUE.

Narrative: ON 200 DEG HDG AT 16000-17000 FT THE CTLR GAVE US A TURN TO 260 DEGS TO INTERCEPT 056 DEGS OFF GVE, AND BY THE TIME I READ BACK CLRNC AND UNKEYED THE MIKE, THE CTLR WAS ON FREQ GIVING MORE INSTRUCTIONS OF CALLING US AGAIN. ACR #1 AS WELL AS ACR #2 SAID THEY HEARD US. I TRIED SEVERAL COCKPIT STATIONS AS WELL AS SEVERAL MIKES. ALL READBACKS WERE STEPPED ON BY THE CTLR SUCH THAT HE NEVER GOT 1 XMISSION. THIS WAS FIRST COM PROB AFTER A LEG AND A HALF.

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.