 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
ZBW controller experienced operational error at FL230 when failing to note varying turn rates for two in-trail aircraft near alb; corrective action too late.
| Attributes | |
| ACN | 775566 |
| Time | |
| Date | 200802 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | navaid : alb.vortac |
| State Reference | NY |
| Altitude | msl single value : 23000 |
| Environment | |
| Weather Elements | Snow |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller military : 10 controller radar : 7 controller time certified in position1 : 1 |
| ASRS Report | 775566 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued alert controller : issued new clearance flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 28800 vertical : 4 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft #1 turned wide of alb while aircraft #2 turned short causing compression.
Original NASA ASRS Text
Title: ZBW CTLR EXPERIENCED OPERROR AT FL230 WHEN FAILING TO NOTE VARYING TURN RATES FOR TWO IN-TRAIL ACFT NEAR ALB; CORRECTIVE ACTION TOO LATE.
Narrative: ACFT #1 TURNED WIDE OF ALB WHILE ACFT #2 TURNED SHORT CAUSING COMPRESSION.
Data retrieved from NASA's ASRS site as of May 2009 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.