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An SF34 flight crew divert their course to avoid smoke from a fire before contacting the approach controller for a rerte clearance.
| Attributes | |
| ACN | 597760 |
| Time | |
| Date | 200310 |
| Day | Sun |
| Place | |
| Locale Reference | airport : san.airport |
| State Reference | CA |
| Altitude | msl single value : 6000 |
| Environment | |
| Weather Elements | other |
| Aircraft 1 | |
| Controlling Facilities | tracon : sct.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | SF 340B |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer only : 27 |
| Flight Phase | descent : approach |
| Route In Use | approach : instrument precision arrival : on vectors departure : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 597760 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | inflight encounter : turbulence inflight encounter other other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : exited adverse environment flight crew : took precautionary avoidance action |
| Supplementary | |
| Problem Areas | Environmental Factor Flight Crew Human Performance ATC Human Performance |
| Primary Problem | Environmental Factor |
Narrative:
On approach to san at 6000 ft, we were intercepting the localizer runway 27 course approximately 20 mi east of the field. The ground track was going to take us through a large plume of dark smoke. Considering turbulence and smoke, I abruptly turned the aircraft to the right to a heading of 090 degrees. We did this initial turn without clearance from ATC, but within seconds, we received a clearance to proceed as requested. We diverted to psp. We felt this was the safest and best course of action.
Original NASA ASRS Text
Title: AN SF34 FLT CREW DIVERT THEIR COURSE TO AVOID SMOKE FROM A FIRE BEFORE CONTACTING THE APCH CTLR FOR A RERTE CLRNC.
Narrative: ON APCH TO SAN AT 6000 FT, WE WERE INTERCEPTING THE LOC RWY 27 COURSE APPROX 20 MI E OF THE FIELD. THE GND TRACK WAS GOING TO TAKE US THROUGH A LARGE PLUME OF DARK SMOKE. CONSIDERING TURB AND SMOKE, I ABRUPTLY TURNED THE ACFT TO THE R TO A HDG OF 090 DEGS. WE DID THIS INITIAL TURN WITHOUT CLRNC FROM ATC, BUT WITHIN SECONDS, WE RECEIVED A CLRNC TO PROCEED AS REQUESTED. WE DIVERTED TO PSP. WE FELT THIS WAS THE SAFEST AND BEST COURSE OF ACTION.
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.