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Flight crew of an large transport climbed in response to a TCASII RA during a vector turn to intercept the localizer causing them to overshoot the localizer. They immediately corrected back and notified ATC.
| Attributes | |
| ACN | 427500 |
| Time | |
| Date | 199902 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : iad |
| State Reference | VA |
| Altitude | msl bound lower : 3000 msl bound upper : 3500 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : lax |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Navigation In Use | Other |
| Route In Use | arrival other enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | descent : approach |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 427500 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne less severe other anomaly other other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | Pilot Deviation |
Narrative:
ATC clearance: turn left to 030 degrees, join runway 1L localizer, maintain 3000 ft. During turn, received TCASII TA for traffic at 2 O'clock at 3000 ft. TA changed to RA with climb instructions. Followed RA until clear of traffic and then rejoined localizer and returned to 3000 ft. Advised approach control and continued approach to landing. The other aircraft apparently overshot runway 1R localizer.
Original NASA ASRS Text
Title: FLC OF AN LGT CLBED IN RESPONSE TO A TCASII RA DURING A VECTOR TURN TO INTERCEPT THE LOC CAUSING THEM TO OVERSHOOT THE LOC. THEY IMMEDIATELY CORRECTED BACK AND NOTIFIED ATC.
Narrative: ATC CLRNC: TURN L TO 030 DEGS, JOIN RWY 1L LOC, MAINTAIN 3000 FT. DURING TURN, RECEIVED TCASII TA FOR TFC AT 2 O'CLOCK AT 3000 FT. TA CHANGED TO RA WITH CLB INSTRUCTIONS. FOLLOWED RA UNTIL CLR OF TFC AND THEN REJOINED LOC AND RETURNED TO 3000 FT. ADVISED APCH CTL AND CONTINUED APCH TO LNDG. THE OTHER ACFT APPARENTLY OVERSHOT RWY 1R LOC.
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.