Tower controller described a go around event resulting in a conflict between the go around aircraft ...

Attributes
ACN	1039417
Time
Date	201209
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	PA-46 Malibu Meridian
Operating Under FAR Part	Part 91
Flight Phase	Landing
Route In Use	Visual Approach
Flight Plan	VFR
Aircraft 2
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	Initial Climb
Route In Use	None
Flight Plan	IFR
Person 1
Function	Local
Qualification	Air Traffic Control Fully Certified
Person 2
Function	Supervisor / CIC
Qualification	Air Traffic Control Fully Certified
Events
Anomaly	ATC Issue All Types Conflict Airborne Conflict

Narrative:

A PA46 was on short final to runway 14 when the local controller cleared a C172 for take off on the same runway. The separation decreased to less than minimum and the controller first issued a go-around to the PA46. The controller then cancelled the take off clearance for the C172; but it was too late as the aircraft was about to rotate. Now both aircraft were approximately 1;000 ft horizontally and the departure was climbing into the go-around aircraft that was issued runway heading. The controller then issued an immediate right; and then changed to immediate left turn for the PA46 go-around. The controller failed to calculate that the distance was too small and the air speed too fast on the PA46 to safely issue a take off clearance to the C172. Additionally; the controller failed to use 'expedite' or 'immediate' in conjunction with the clearance. The controller also failed to cancel the take off clearance in a timely manner.

Original NASA ASRS Text

Title: Tower Controller described a go around event resulting in a conflict between the go around aircraft and an aircraft cleared for take off; the reporter indicating the Local Controller has frequent separation issues.

Narrative: A PA46 was on short final to Runway 14 when the Local Controller cleared a C172 for take off on the same runway. The separation decreased to less than minimum and the Controller first issued a go-around to the PA46. The Controller then cancelled the take off clearance for the C172; but it was too late as the aircraft was about to rotate. Now both aircraft were approximately 1;000 FT horizontally and the departure was climbing into the go-around aircraft that was issued runway heading. The Controller then issued an immediate right; and then changed to immediate left turn for the PA46 go-around. The Controller failed to calculate that the distance was too small and the air speed too fast on the PA46 to safely issue a take off clearance to the C172. Additionally; the Controller failed to use 'expedite' or 'immediate' in conjunction with the clearance. The Controller also failed to cancel the take off clearance in a timely manner.

Data retrieved from NASA's ASRS site as of July 2013 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.

Tower controller described a go around event resulting in a conflict between the go around aircraft and an aircraft cleared for take off; the reporter indicating the local controller has frequent separation issues.