Narrative:

Captain felt sick at hotel before boarding van to airport. At arrival at aircraft, he stated that he felt all right to fly. Departure from dtw to las was normal with captain flying aircraft. As flight continued captain felt progressively worse. Sickness progressed to point where captain was laying on cockpit floor and moaning. At this point, approximately 400 mi east of den, decision was made to land at den and company and ambulance notified. Aircraft diverted to den and normal landing was made with F/east occupying captain's seat for steering and taxi. With no experience in left seat lndgs, I felt the safest course of action was to make the landing from the right seat. Arrival and taxi were normal and ambulance was waiting. No emergency was declared. Aircraft was sound and WX conditions cavu. Captain was aware of positions and aircraft status at most times and walked off aircraft. He thought he was passing kidney stones and was in extreme pain. In retrospect, although flight was normal with exception of den divert, I think it would be prudent to further investigate crew member's health concerns and statements before accepting 'I'm ok.' supplemental information from acn 91548: the first officer elected to stay in his seat and the second officer panel was set for cruise so I got into the captain's seat. Approaching den the first officer and I did the in range check at which time I left the captain's seat to set up the second officer panel for landing and then returned to the captain's seat.

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Original NASA ASRS Text

Title: PIC OF ACR LGT INCAPACITATED ENROUTE FROM DTW TO LAS. FLT DIVERTED TO DEN FOR MEDICAL ASSISTANCE.

Narrative: CAPT FELT SICK AT HOTEL BEFORE BOARDING VAN TO ARPT. AT ARR AT ACFT, HE STATED THAT HE FELT ALL RIGHT TO FLY. DEP FROM DTW TO LAS WAS NORMAL WITH CAPT FLYING ACFT. AS FLT CONTINUED CAPT FELT PROGRESSIVELY WORSE. SICKNESS PROGRESSED TO POINT WHERE CAPT WAS LAYING ON COCKPIT FLOOR AND MOANING. AT THIS POINT, APPROX 400 MI E OF DEN, DECISION WAS MADE TO LAND AT DEN AND COMPANY AND AMBULANCE NOTIFIED. ACFT DIVERTED TO DEN AND NORMAL LNDG WAS MADE WITH F/E OCCUPYING CAPT'S SEAT FOR STEERING AND TAXI. WITH NO EXPERIENCE IN LEFT SEAT LNDGS, I FELT THE SAFEST COURSE OF ACTION WAS TO MAKE THE LNDG FROM THE RIGHT SEAT. ARR AND TAXI WERE NORMAL AND AMBULANCE WAS WAITING. NO EMER WAS DECLARED. ACFT WAS SOUND AND WX CONDITIONS CAVU. CAPT WAS AWARE OF POSITIONS AND ACFT STATUS AT MOST TIMES AND WALKED OFF ACFT. HE THOUGHT HE WAS PASSING KIDNEY STONES AND WAS IN EXTREME PAIN. IN RETROSPECT, ALTHOUGH FLT WAS NORMAL WITH EXCEPTION OF DEN DIVERT, I THINK IT WOULD BE PRUDENT TO FURTHER INVESTIGATE CREW MEMBER'S HEALTH CONCERNS AND STATEMENTS BEFORE ACCEPTING 'I'M OK.' SUPPLEMENTAL INFO FROM ACN 91548: THE F/O ELECTED TO STAY IN HIS SEAT AND THE S/O PANEL WAS SET FOR CRUISE SO I GOT INTO THE CAPT'S SEAT. APCHING DEN THE F/O AND I DID THE IN RANGE CHK AT WHICH TIME I LEFT THE CAPT'S SEAT TO SET UP THE S/O PANEL FOR LNDG AND THEN RETURNED TO THE CAPT'S SEAT.

Data retrieved from NASA's ASRS site as of August 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.