<< >> NASA ASRS Report 340130, July 1996

An air carrier flight crew uses the wrong function to attempt an FMC intercept of J8 to rhode to csn and overshoots the airway. The ARTCC controller corrects. Medium large transport.

Attributes
ACN	340130
Time
Date	199607
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : csn
State Reference	VA
Altitude	msl bound lower : 33000 msl bound upper : 33000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	cruise other
Route In Use	enroute airway : zdc
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 57 flight time total : 11000 flight time type : 4000
ASRS Report	340130
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 180 flight time total : 11000 flight time type : 5000
ASRS Report	340134
Events
Anomaly	non adherence : far non adherence : published procedure non adherence : clearance other spatial deviation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Re-rted south of intended arrival to bwi due to significant WX on east coast. Given a southeast heading to intercept J8 to csn. Programmed FMC for direct intercept to csn. Both pilots conferred and agreed on FMC inputs. ATC told us that the intercept would be a sharp turn. Looked good on FMC since we thought ATC wanted an intercept north of rhode intersection. J8 bends west to hvq at rhode and the direct intercept to csn therefore took us through the airway. ATC caught it and we turned back to the east to intercept. A clearance to intercept east of crw or between crw and rhode would have clued us to note the bend in the airway.

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Original NASA ASRS Text

Title: AN ACR FLC USES THE WRONG FUNCTION TO ATTEMPT AN FMC INTERCEPT OF J8 TO RHODE TO CSN AND OVERSHOOTS THE AIRWAY. THE ARTCC CTLR CORRECTS. MLG.

Narrative: RE-RTED S OF INTENDED ARR TO BWI DUE TO SIGNIFICANT WX ON E COAST. GIVEN A SE HDG TO INTERCEPT J8 TO CSN. PROGRAMMED FMC FOR DIRECT INTERCEPT TO CSN. BOTH PLTS CONFERRED AND AGREED ON FMC INPUTS. ATC TOLD US THAT THE INTERCEPT WOULD BE A SHARP TURN. LOOKED GOOD ON FMC SINCE WE THOUGHT ATC WANTED AN INTERCEPT N OF RHODE INTXN. J8 BENDS W TO HVQ AT RHODE AND THE DIRECT INTERCEPT TO CSN THEREFORE TOOK US THROUGH THE AIRWAY. ATC CAUGHT IT AND WE TURNED BACK TO THE E TO INTERCEPT. A CLRNC TO INTERCEPT E OF CRW OR BTWN CRW AND RHODE WOULD HAVE CLUED US TO NOTE THE BEND IN THE AIRWAY.

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.