Cpr X issued a go around because of small aircraft Y takeoff.

Attributes
ACN	241832
Time
Date	199305
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : cmh
State Reference	OH
Altitude	agl bound lower : 300 agl bound upper : 300
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : cmh tracon : n90
Operator	general aviation : corporate
Make Model Name	Light Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent : approach landing : go around
Flight Plan	IFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	climbout : takeoff
Flight Plan	None
Person 1
Affiliation	government : faa
Function	controller : local
Qualification	controller : radar
Experience	controller non radar : 6 controller radar : 5
ASRS Report	241832
Person 2
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	conflict : airborne less severe
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other other
Consequence	Other
Miss Distance	horizontal : 200 vertical : 200
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

I was working local control with only runway 10L available. Cpr X called on an 8 mi final for runway 10L and I cleared him to land. An air carrier had just departed runway 10R and I coordinated closing it for construction with ground control. There was thunderstorm activity east of the airport and I had to coordinate a turn to avoid the WX with 3 affected radar position for the departing air carrier. As I was doing this small aircraft Y called ready for departure on runway 10L. I was looking at the BRITE radar display as he called and did not observe a target west of the airport on final or an ARTS tag for cpr X. I had written the call sign on my pad at local control but did not realize cpr X was now on a 1 mi final for runway 10L. I looked out the window and scanned runway 10L and cleared small aircraft Y for takeoff. As he took the runway, simultaneously cpr X reported 1/2 mi final for runway 10L and I saw him visually. I sent cpr X around and turned him to avoid small aircraft Y. The ARTS tag on cpr X had not even gone into the tower coast list as it should for all arriving aircraft.

Original NASA ASRS Text

Title: CPR X ISSUED A GAR BECAUSE OF SMA Y TKOF.

Narrative: I WAS WORKING LCL CTL WITH ONLY RWY 10L AVAILABLE. CPR X CALLED ON AN 8 MI FINAL FOR RWY 10L AND I CLRED HIM TO LAND. AN ACR HAD JUST DEPARTED RWY 10R AND I COORDINATED CLOSING IT FOR CONSTRUCTION WITH GND CTL. THERE WAS TSTM ACTIVITY E OF THE ARPT AND I HAD TO COORDINATE A TURN TO AVOID THE WX WITH 3 AFFECTED RADAR POS FOR THE DEPARTING ACR. AS I WAS DOING THIS SMA Y CALLED READY FOR DEP ON RWY 10L. I WAS LOOKING AT THE BRITE RADAR DISPLAY AS HE CALLED AND DID NOT OBSERVE A TARGET W OF THE ARPT ON FINAL OR AN ARTS TAG FOR CPR X. I HAD WRITTEN THE CALL SIGN ON MY PAD AT LCL CTL BUT DID NOT REALIZE CPR X WAS NOW ON A 1 MI FINAL FOR RWY 10L. I LOOKED OUT THE WINDOW AND SCANNED RWY 10L AND CLRED SMA Y FOR TKOF. AS HE TOOK THE RWY, SIMULTANEOUSLY CPR X RPTED 1/2 MI FINAL FOR RWY 10L AND I SAW HIM VISUALLY. I SENT CPR X AROUND AND TURNED HIM TO AVOID SMA Y. THE ARTS TAG ON CPR X HAD NOT EVEN GONE INTO THE TWR COAST LIST AS IT SHOULD FOR ALL ARRIVING ACFT.

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