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An air carrier climbing from sea, wa, receives a TCASII RA and follows instructions. Intruding aircraft passes 1 mi away and departing aircraft resumes climb and departure.
| Attributes | |
| ACN | 361810 |
| Time | |
| Date | 199508 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sea |
| State Reference | WA |
| Altitude | msl bound lower : 12000 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sea |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 30 flight time total : 15000 flight time type : 30 |
| ASRS Report | 361810 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 6000 vertical : 500 |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
On climb, TCASII announced, 'monitor vertical speed,' followed by 'reduce climb.' flight crew complied with TCASII instructions and reduced climb to 500 FPM climb. Twin otter sighted and passed by right wing. TCASII announced 'clear of conflict.' normal climb resumed.
Original NASA ASRS Text
Title: AN ACR CLBING FROM SEA, WA, RECEIVES A TCASII RA AND FOLLOWS INSTRUCTIONS. INTRUDING ACFT PASSES 1 MI AWAY AND DEPARTING ACFT RESUMES CLB AND DEP.
Narrative: ON CLB, TCASII ANNOUNCED, 'MONITOR VERT SPD,' FOLLOWED BY 'REDUCE CLB.' FLC COMPLIED WITH TCASII INSTRUCTIONS AND REDUCED CLB TO 500 FPM CLB. TWIN OTTER SIGHTED AND PASSED BY R WING. TCASII ANNOUNCED 'CLR OF CONFLICT.' NORMAL CLB RESUMED.
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.