<< >> NASA ASRS Report 333060, April 1996

An air carrier B767 flight crew flew through the airway that they were vectored to intercept. The PF programmed the FMS, but got busy with other tasks and did not notice that the autoplt did not intercept the airway until a few mi later.

Attributes
ACN	333060
Time
Date	199604
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : swl
State Reference	MD
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : on vectors enroute airway : zny
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	333060
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

After departing jfk and given 2 different departures, we finally were given an intercept heading of about 75 degrees to intercept J174 toward swl VOR. While hand flying the aircraft we were abeam the FMS routing by about 16 mi, and almost at a 90 degree turn to the outbound course with nearly 100 KT tailwind. Several mi from the intercept, I engaged the autoplt in order to pay more attention to other details. With LNAV armed the aircraft flew through the airway, never capturing, and I manually selected heading select to return to the airway course. We only ran through the airway a few mi, but it could have been more had we gotten busy -- thinking the autoplt was going to work properly. Possible problem was active waypoint being our position and not switching at the right moment.

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Original NASA ASRS Text

Title: AN ACR B767 FLC FLEW THROUGH THE AIRWAY THAT THEY WERE VECTORED TO INTERCEPT. THE PF PROGRAMMED THE FMS, BUT GOT BUSY WITH OTHER TASKS AND DID NOT NOTICE THAT THE AUTOPLT DID NOT INTERCEPT THE AIRWAY UNTIL A FEW MI LATER.

Narrative: AFTER DEPARTING JFK AND GIVEN 2 DIFFERENT DEPS, WE FINALLY WERE GIVEN AN INTERCEPT HDG OF ABOUT 75 DEGS TO INTERCEPT J174 TOWARD SWL VOR. WHILE HAND FLYING THE ACFT WE WERE ABEAM THE FMS ROUTING BY ABOUT 16 MI, AND ALMOST AT A 90 DEG TURN TO THE OUTBOUND COURSE WITH NEARLY 100 KT TAILWIND. SEVERAL MI FROM THE INTERCEPT, I ENGAGED THE AUTOPLT IN ORDER TO PAY MORE ATTN TO OTHER DETAILS. WITH LNAV ARMED THE ACFT FLEW THROUGH THE AIRWAY, NEVER CAPTURING, AND I MANUALLY SELECTED HDG SELECT TO RETURN TO THE AIRWAY COURSE. WE ONLY RAN THROUGH THE AIRWAY A FEW MI, BUT IT COULD HAVE BEEN MORE HAD WE GOTTEN BUSY -- THINKING THE AUTOPLT WAS GOING TO WORK PROPERLY. POSSIBLE PROB WAS ACTIVE WAYPOINT BEING OUR POS AND NOT SWITCHING AT THE RIGHT MOMENT.

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.