<< >> NASA ASRS Report 187586, August 1991

Arrival traffic. An air carrier widebody transport enters hold at fix while encountering radio communication problem.

Attributes
ACN	187586
Time
Date	199108
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : lhr
State Reference	FO
Altitude	msl bound lower : 4000 msl bound upper : 4000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : lhr tracon : lhr
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 3 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	cruise other cruise other descent other
Route In Use	arrival other arrival star : star enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 175 flight time total : 22000 flight time type : 6000
ASRS Report	187586
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	non adherence : published procedure other anomaly other other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Pilot Deviation other

Narrative:

Approaching bnn VOR on arrival for lhr (heathrow) was given a frequency change by london control to london approach. Approach frequency was unreadable and had to return to london control for new frequency. Contacted approach on new frequency and told to return to bnn and depart on heading of 120 degree. Had frequency change been given sooner, then in case of bad frequency, aircraft would not have to return to a fix and would not be left at the end of an arrival route without controller contact.

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Original NASA ASRS Text

Title: ARR TFC. AN ACR WDB ENTERS HOLD AT FIX WHILE ENCOUNTERING RADIO COM PROBLEM.

Narrative: APCHING BNN VOR ON ARR FOR LHR (HEATHROW) WAS GIVEN A FREQ CHANGE BY LONDON CTL TO LONDON APCH. APCH FREQ WAS UNREADABLE AND HAD TO RETURN TO LONDON CTL FOR NEW FREQ. CONTACTED APCH ON NEW FREQ AND TOLD TO RETURN TO BNN AND DEPART ON HDG OF 120 DEG. HAD FREQ CHANGE BEEN GIVEN SOONER, THEN IN CASE OF BAD FREQ, ACFT WOULD NOT HAVE TO RETURN TO A FIX AND WOULD NOT BE LEFT AT THE END OF AN ARR RTE WITHOUT CTLR CONTACT.

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.