Narrative:

I was using my aircraft to take pictures of another aircraft. We did a complete briefing before the formation flight outlining our route; the weather and our plan for the photos. At the time of departure the ceiling was 3500 overcast; visibility six miles. We departed to the north. The ceiling was increasing as we went north; and at no time did I lose contact with the jet on my wing nor did the visibility decrease to less than three miles. We continued our climb and were at about 4000 ft when -- concentrating on my wingman -- I flew into an unexpected wall of fog. I had no time to get a clearance and immediately initiated a fast climb knowing that there was terrain somewhere ahead. I looked out the side window and we were close to the ground I continued my climb in IMC to VFR at about 5000 ft. I had no idea I had suffered damage so I continued the flight; got the pictures and returned. I filed IFR to the airport. When I landed I noted damage to the right wing tip and a broken lens. I also noted what looked like it could have been blood on the wing at the point of impact. It appears that it could have been a bird strike while I was in the clouds or contact with a tree or something on the ground. There was no indication that anything hit the wing during the flight. A mechanic inspected the aircraft for airworthiness and determined it was all right to fly with the broken lens and the small dent in the wing. After a review of the flight I have determined that there were factors that I would have changed. Being a conscientious pilot; I have made arrangements with a CFI to take some additional ground and flight instruction concentrating on these issues.

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Original NASA ASRS Text

Title: While concentrating on taking pictures of another aircraft; the pilot of a Beechcraft 36 flew into IMC conditions and struck either a bird or an object on the ground damaging a wing and light lens.

Narrative: I was using my aircraft to take pictures of another aircraft. We did a complete briefing before the formation flight outlining our route; the weather and our plan for the photos. At the time of departure the ceiling was 3500 overcast; visibility six miles. We departed to the north. The ceiling was increasing as we went north; and at no time did I lose contact with the jet on my wing nor did the visibility decrease to less than three miles. We continued our climb and were at about 4000 FT when -- concentrating on my wingman -- I flew into an unexpected wall of fog. I had no time to get a clearance and immediately initiated a fast climb knowing that there was terrain somewhere ahead. I looked out the side window and we were close to the ground I continued my climb in IMC to VFR at about 5000 FT. I had no idea I had suffered damage so I continued the flight; got the pictures and returned. I filed IFR to the airport. When I landed I noted damage to the right wing tip and a broken lens. I also noted what looked like it could have been blood on the wing at the point of impact. It appears that it could have been a bird strike while I was in the clouds or contact with a tree or something on the ground. There was no indication that anything hit the wing during the flight. A mechanic inspected the aircraft for airworthiness and determined it was all right to fly with the broken lens and the small dent in the wing. After a review of the flight I have determined that there were factors that I would have changed. Being a conscientious pilot; I have made arrangements with a CFI to take some additional ground and flight instruction concentrating on these issues.

Data retrieved from NASA's ASRS site as of April 2012 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.