<< >> NASA ASRS Report 622238, April 2003

While first officer was out of the cockpit captain mishears clearance involving similar sounding waypoints and goes direct towards wrong waypoint on frequency with ZJX and deviates from cleared route.

Attributes
ACN	622238
Time
Date	200304
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : zjx.artcc
State Reference	FL
Altitude	msl single value : 28000
Environment
Flight Conditions	Mixed
Weather Elements	Thunderstorm Turbulence
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zjx.artcc
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 125 flight time total : 14800 flight time type : 3000
ASRS Report	622238
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other controllera
Resolutory Action	controller : issued advisory controller : issued new clearance flight crew : returned to intended or assigned course
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

First officer was in restroom when ATC cleared me direct to 'beeno.' I thought ATC said 'ovido' and proceeded direct ovido. Later ATC corrected the situation by giving us a right turn to avoid military airspace. I had my map out and the route highlighted in yellow. I retyped 'beeno' in the FMC and was later reclred beeno. ATC was helpful and polite and did not seem to have a problem with the situation. I should have watched closer for similar sounding intxns on my route. It would have been helpful to have the first officer as a backup, but he needed to use the restroom.

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Original NASA ASRS Text

Title: WHILE FO WAS OUT OF THE COCKPIT CAPT MISHEARS CLRNC INVOLVING SIMILAR SOUNDING WAYPOINTS AND GOES DIRECT TOWARDS WRONG WAYPOINT ON FREQ WITH ZJX AND DEVIATES FROM CLRED RTE.

Narrative: FO WAS IN RESTROOM WHEN ATC CLRED ME DIRECT TO 'BEENO.' I THOUGHT ATC SAID 'OVIDO' AND PROCEEDED DIRECT OVIDO. LATER ATC CORRECTED THE SIT BY GIVING US A R TURN TO AVOID MIL AIRSPACE. I HAD MY MAP OUT AND THE RTE HIGHLIGHTED IN YELLOW. I RETYPED 'BEENO' IN THE FMC AND WAS LATER RECLRED BEENO. ATC WAS HELPFUL AND POLITE AND DID NOT SEEM TO HAVE A PROB WITH THE SIT. I SHOULD HAVE WATCHED CLOSER FOR SIMILAR SOUNDING INTXNS ON MY RTE. IT WOULD HAVE BEEN HELPFUL TO HAVE THE FO AS A BACKUP, BUT HE NEEDED TO USE THE RESTROOM.

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.