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After contacting tower and obtaining clearance to land, pilot of an atx cargo twin engine aircraft entered IMC and obtained an amended clearance for traffic avoidance. He subsequently sighted his traffic, and the airport, and landed uneventfully.
| Attributes | |
| ACN | 427842 |
| Time | |
| Date | 199902 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : bfi |
| State Reference | WA |
| Altitude | msl bound lower : 800 msl bound upper : 1200 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air taxi |
| Flight Phase | descent other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial |
| Experience | flight time last 90 days : 180 flight time total : 1950 flight time type : 36 |
| ASRS Report | 427842 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : local |
| Events | |
| Anomaly | inflight encounter : weather inflight encounter : vfr in imc |
| Independent Detector | other flight crewa |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I departed tiw VFR on a left downwind to the north then turned east over commencement bay. I continued with a northeast turn up the auburn/kent valley and started a descent for landing. I called boeing tower over the kent valley with the current VFR ATIS and was cleared to land runway 31L. I had both bfi and sea in sight at the time. About 1/4 mi further I encountered unrpted, inadvertent, and unavoidable IMC. Unavoidable due to seatac on my left and terrain on the right. At this time I called boeing tower for a clearance. Tower assigned me a suggested heading and altitude for reported traffic avoidance. At that time I had traffic on my left in sight, and continued heading 310 degrees. I was then in sight of boeing on a right downwind for runway 13R and was cleared to land. I turned and landed with no further problem.
Original NASA ASRS Text
Title: AFTER CONTACTING TWR AND OBTAINING CLRNC TO LAND, PLT OF AN ATX CARGO TWIN ENG ACFT ENTERED IMC AND OBTAINED AN AMENDED CLRNC FOR TFC AVOIDANCE. HE SUBSEQUENTLY SIGHTED HIS TFC, AND THE ARPT, AND LANDED UNEVENTFULLY.
Narrative: I DEPARTED TIW VFR ON A L DOWNWIND TO THE N THEN TURNED E OVER COMMENCEMENT BAY. I CONTINUED WITH A NE TURN UP THE AUBURN/KENT VALLEY AND STARTED A DSCNT FOR LNDG. I CALLED BOEING TWR OVER THE KENT VALLEY WITH THE CURRENT VFR ATIS AND WAS CLRED TO LAND RWY 31L. I HAD BOTH BFI AND SEA IN SIGHT AT THE TIME. ABOUT 1/4 MI FURTHER I ENCOUNTERED UNRPTED, INADVERTENT, AND UNAVOIDABLE IMC. UNAVOIDABLE DUE TO SEATAC ON MY L AND TERRAIN ON THE R. AT THIS TIME I CALLED BOEING TWR FOR A CLRNC. TWR ASSIGNED ME A SUGGESTED HEADING AND ALT FOR RPTED TFC AVOIDANCE. AT THAT TIME I HAD TFC ON MY L IN SIGHT, AND CONTINUED HDG 310 DEGS. I WAS THEN IN SIGHT OF BOEING ON A R DOWNWIND FOR RWY 13R AND WAS CLRED TO LAND. I TURNED AND LANDED WITH NO FURTHER PROB.
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.