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Captain of air carrier large transport aircraft descended below and turned away from assigned heading during vectors to an ILS.
| Attributes | |
| ACN | 216481 |
| Time | |
| Date | 199207 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ewr |
| State Reference | NY |
| Altitude | msl bound lower : 2500 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Navigation In Use | ils localizer & glide slope : ewr |
| Flight Phase | descent : approach |
| Route In Use | approach : straight in 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 : 240 flight time total : 9500 flight time type : 4000 |
| ASRS Report | 216481 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : atp pilot : instrument |
| Events | |
| Anomaly | aircraft equipment problem : less severe altitude deviation : excursion from assigned altitude non adherence : clearance other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Aircraft cleared for approach ILS 22L ewr at 3000 heading 190 degrees to intercept. Told to maintain 3000 until intercept. GS alive, no ILS course indications. I descended to 2500. No GS. Turned 10 degrees left to 180 degree heading to intercept. Soon as I leveled wings, ILS comes alive and goes through centerline. ILS out to the right. I make immediate turn to intercept and tower calls me 1/2 mi east of course. I am descending on GS and on a 240 degree heading. I overshoot the centerline again due to rapid ILS bar movement. Tower asks if I have the field in sight, which we did at 1800 ft MSL. Tower clears me to land on 22R.
Original NASA ASRS Text
Title: CAPT OF ACR LGT ACFT DSNDED BELOW AND TURNED AWAY FROM ASSIGNED HDG DURING VECTORS TO AN ILS.
Narrative: ACFT CLRED FOR APCH ILS 22L EWR AT 3000 HDG 190 DEGS TO INTERCEPT. TOLD TO MAINTAIN 3000 UNTIL INTERCEPT. GS ALIVE, NO ILS COURSE INDICATIONS. I DSNDED TO 2500. NO GS. TURNED 10 DEGS L TO 180 DEG HDG TO INTERCEPT. SOON AS I LEVELED WINGS, ILS COMES ALIVE AND GOES THROUGH CTRLINE. ILS OUT TO THE R. I MAKE IMMEDIATE TURN TO INTERCEPT AND TWR CALLS ME 1/2 MI E OF COURSE. I AM DSNDING ON GS AND ON A 240 DEG HDG. I OVERSHOOT THE CTRLINE AGAIN DUE TO RAPID ILS BAR MOVEMENT. TWR ASKS IF I HAVE THE FIELD IN SIGHT, WHICH WE DID AT 1800 FT MSL. TWR CLRS ME TO LAND ON 22R.
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.