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Report of an air carrier DC9 climbing from FL270 after getting a climb advisory on TCASII. Only reported traffic in the vicinity was at FL350 and 5 mi south of the DC9.
| Attributes | |
| ACN | 384250 |
| Time | |
| Date | 199710 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : abr |
| State Reference | SD |
| Altitude | msl bound lower : 27000 msl bound upper : 28000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zmp tower : ewr |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-8 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Experience | controller radar : 10 |
| ASRS Report | 384250 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 33000 vertical : 8000 |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
Aircraft #1 level at FL270 stated he was getting a climb advisory, and was leaving FL274. Only other aircraft in vicinity was at FL350 and approximately 5 mi south of aircraft #1. Aircraft #1 climbed to FL280 and then went back down to FL270.
Original NASA ASRS Text
Title: RPT OF AN ACR DC9 CLBING FROM FL270 AFTER GETTING A CLB ADVISORY ON TCASII. ONLY RPTED TFC IN THE VICINITY WAS AT FL350 AND 5 MI S OF THE DC9.
Narrative: ACFT #1 LEVEL AT FL270 STATED HE WAS GETTING A CLB ADVISORY, AND WAS LEAVING FL274. ONLY OTHER ACFT IN VICINITY WAS AT FL350 AND APPROX 5 MI S OF ACFT #1. ACFT #1 CLBED TO FL280 AND THEN WENT BACK DOWN TO FL270.
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.