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A C90 corporate captain reported that a severe downdraft caused him to go around during approach to bhm.
| Attributes | |
| ACN | 588776 |
| Time | |
| Date | 200307 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : bhm.airport |
| State Reference | AL |
| Environment | |
| Weather Elements | Windshear Thunderstorm Turbulence |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : bhm.tracon tower : olm.tower |
| Operator | general aviation : corporate |
| Make Model Name | King Air C90 E90 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach landing : go around |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 10 flight time total : 18000 flight time type : 4000 |
| ASRS Report | 588776 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Events | |
| Anomaly | inflight encounter : weather inflight encounter : turbulence other anomaly |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : executed go around |
| Supplementary | |
| Problem Areas | Weather |
| Primary Problem | Weather |
Narrative:
Visual approach runway 6, bhm. Vectored around rain shower/thunderstorm over downtown birmingham (2 mi from field). Smooth ride down final in and out of light rain. No rain at airport with winds given 150 degrees 7 KTS. Expected normal landing, however, over runway began to experience severe wave type turbulence. (Like riding a surf board). This, combined with aircraft full aft baggage, tended to add to the instability. I elected to just go around. Tower thought I had landed, but had never touched down. Also experienced downdraft during early phase of go around. Requested landing on runway 36, which was normal in all respects. Bhm changed runways 6-24, following this.
Original NASA ASRS Text
Title: A C90 CORPORATE CAPT RPTED THAT A SEVERE DOWNDRAFT CAUSED HIM TO GO AROUND DURING APCH TO BHM.
Narrative: VISUAL APCH RWY 6, BHM. VECTORED AROUND RAIN SHOWER/TSTM OVER DOWNTOWN BIRMINGHAM (2 MI FROM FIELD). SMOOTH RIDE DOWN FINAL IN AND OUT OF LIGHT RAIN. NO RAIN AT ARPT WITH WINDS GIVEN 150 DEGS 7 KTS. EXPECTED NORMAL LNDG, HOWEVER, OVER RWY BEGAN TO EXPERIENCE SEVERE WAVE TYPE TURB. (LIKE RIDING A SURF BOARD). THIS, COMBINED WITH ACFT FULL AFT BAGGAGE, TENDED TO ADD TO THE INSTABILITY. I ELECTED TO JUST GO AROUND. TWR THOUGHT I HAD LANDED, BUT HAD NEVER TOUCHED DOWN. ALSO EXPERIENCED DOWNDRAFT DURING EARLY PHASE OF GAR. REQUESTED LNDG ON RWY 36, WHICH WAS NORMAL IN ALL RESPECTS. BHM CHANGED RWYS 6-24, FOLLOWING THIS.
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.