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Less than standard separation when DC9 levels climb at same altitude as converging MD88 due to receiving TCASII RA. Pilot deviation.
| Attributes | |
| ACN | 335195 |
| Time | |
| Date | 199605 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : har |
| State Reference | PA |
| Altitude | msl bound lower : 25000 msl bound upper : 25000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-88 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | cruise other descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 5 |
| ASRS Report | 335195 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : required legal separation other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Miss Distance | horizontal : 12000 vertical : 0 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Climbed aircraft #1 northbound to FL270. Aircraft #2 eastbound at FL250. Aircraft #1 levels off at FL250 after getting TCASII RA and loses standard separation with aircraft #2.
Original NASA ASRS Text
Title: LTSS WHEN DC9 LEVELS CLB AT SAME ALT AS CONVERGING MD88 DUE TO RECEIVING TCASII RA. PLTDEV.
Narrative: CLBED ACFT #1 NBOUND TO FL270. ACFT #2 EBOUND AT FL250. ACFT #1 LEVELS OFF AT FL250 AFTER GETTING TCASII RA AND LOSES STANDARD SEPARATION WITH ACFT #2.
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.