Narrative:

Shortly after my 'short final' call; the unknown aircraft called 'departing runway 21' and started to pull out on runway 21. I called 'I am almost above you; hold position.' unknown aircraft then continued turn onto runway 21. I turned to right of runway 21 to begin go around. Unknown aircraft began takeoff with my aircraft approximately 40 ft to right of runway 21 and approximately 50-75 ft above unknown aircraft.

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Original NASA ASRS Text

Title: PLT OF SMA ON SHORT FINAL TO UNCONTROLLED FIELD HAS NEAR MISS WITH ACFT DEP SAME RWY WITHOUT RADIO ADVISORIES.

Narrative: SHORTLY AFTER MY 'SHORT FINAL' CALL; THE UNKNOWN ACFT CALLED 'DEPARTING RWY 21' AND STARTED TO PULL OUT ON RWY 21. I CALLED 'I AM ALMOST ABOVE YOU; HOLD POS.' UNKNOWN ACFT THEN CONTINUED TURN ONTO RWY 21. I TURNED TO R OF RWY 21 TO BEGIN GAR. UNKNOWN ACFT BEGAN TKOF WITH MY ACFT APPROX 40 FT TO R OF RWY 21 AND APPROX 50-75 FT ABOVE UNKNOWN ACFT.

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