1997-05 · NASA ASRS report 368534
EXPERIENCED IN ACFT TYPE; CAPT HAD MORE WING ROLL AROUND THE LONGITUDINAL AXIS OF THE ACFT DURING LNDG IN STRONG GUSTY WINDS THAN ANTICIPATED. HE WAS CONCERNED THAT HE HAD STRUCK A WINGTIP; BUT SUBSEQUENT ACFT INSPECTION DID NOT SHOW ANY SCRAPING.
WIND 320 DEGS AT 22 KTS GUSTING TO 32 KTS. ACFT WAS IN STABILIZED APCH FROM 1500 FT AGL TO LNDG. LNDG WAS SOFT/GENTLE. L MAIN GEAR TOUCHED FIRST; FOLLOWED BY R GEAR (EVEN MORE GENTLE THAN L). GND SPOILERS DID NOT DEPLOY IMMEDIATELY. PRIOR TO GND SPOILERS; A WIND GUST LIFTED R WING (R MAIN GEAR STILL SEEMED ON THE GND). L WING WENT DOWN IN REACTION TO R WING UP. PLT CORRECTED TO WINGS LEVEL; WHILE GND SPOILERS DEPLOYED. REMAINDER OF LNDG/ROLLOUT WAS NORMAL. AFTER LNDG; I COMMENTED TO FO; 'THAT IS HOW YOU GET A WINGTIP.' (I HAVE NEVER GOTTEN ONE; BUT I HAD A HUNCH.) FO REPLIED THAT THE ROLL WAS NOT SIGNIFICANT ENOUGH TO GET A WINGTIP. I ASKED HIM HOW MANY DEGS ROLL HE FELT WE HAD. HE SAID NO GREATER THAN 5 DEGS. (THE AFM SAYS THIS ACFT COULD SCRAPE A WINGTIP AT APPROX 8 DEGS ROLL.) POSTFLT INSPECTION CONFIRMED NO WINGTIP DAMAGE. REGARDLESS OF THE UNEVENTFUL OUTCOME; I TEND TO PONDER FLYING EVENTS LONG AFTER THEY ARE OVER -- I THINK MOST OF US DO. WE TRY TO LEARN FROM EACH TRIP; EVENTFUL OR NOT. CONCLUSION: A FIRM (NOT HARD) LNDG; RESULTING IN IMMEDIATE GND SPOILERS DEPLOYMENT WOULD PROBABLY HAVE PREVENTED THE WING ROCK. THIS APCH REQUIRED A LOT OF WORK ALL THE WAY TO THE GND BUT THE TOUCHDOWN WAS TOO GENTLE (I GUESS I WORKED TOO HARD). I HAVE A LOT OF TIME IN THIS ACFT. I AM STILL TRYING TO GET IT RIGHT ALL THE TIME.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
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