Narrative:

Cleared for takeoff on runway 33. After rotation and during climb out over runway 33 (approximately 200 ft AGL) an aircraft was noticed underneath us rolling out at a high speed after touchdown on runway 4. Upon arrival at destination; I called kissimmee tower and was advised the aircraft landing on the crossing runway was cleared to land on runway 5 at lakeland (lal); fl; which is roughly 50 mi away from ism and was not talking to ism tower.

Google
 

Original NASA ASRS Text

Title: CE206 PILOT REPORTS AIRCRAFT LANDING UNDER HIM ON CROSSING RUNWAY AS HE DEPARTS ISM.

Narrative: CLRED FOR TKOF ON RWY 33. AFTER ROTATION AND DURING CLBOUT OVER RWY 33 (APPROX 200 FT AGL) AN ACFT WAS NOTICED UNDERNEATH US ROLLING OUT AT A HIGH SPD AFTER TOUCHDOWN ON RWY 4. UPON ARR AT DEST; I CALLED KISSIMMEE TWR AND WAS ADVISED THE ACFT LNDG ON THE XING RWY WAS CLRED TO LAND ON RWY 5 AT LAKELAND (LAL); FL; WHICH IS ROUGHLY 50 MI AWAY FROM ISM AND WAS NOT TALKING TO ISM TWR.

Data retrieved from NASA's ASRS site as of January 2009 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.