Aircraft executed a missed approach when another aircraft was cleared for takeoff.

Attributes
ACN	149011
Time
Date	199006
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : apc
State Reference	CA
Altitude	agl bound lower : 200 agl bound upper : 200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : apc
Operator	general aviation : personal
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	landing : go around landing other
Flight Plan	VFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	climbout : takeoff
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 7 flight time total : 1840 flight time type : 0
ASRS Report	149011
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation non adherence : published procedure
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 900 vertical : 200
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

On extremely short (200') final to napa county airport, another aircraft (small aircraft) was cleared onto the runway and for takeoff. I executed a go around to avoid contact. Estimated distance was less than 1000'. (I was cleared for touch and go at the time, runway 24).

Original NASA ASRS Text

Title: ACFT EXECUTED A MISSED APCH WHEN ANOTHER ACFT WAS CLEARED FOR TKOF.

Narrative: ON EXTREMELY SHORT (200') FINAL TO NAPA COUNTY ARPT, ANOTHER ACFT (SMA) WAS CLRED ONTO THE RWY AND FOR TKOF. I EXECUTED A GO AROUND TO AVOID CONTACT. ESTIMATED DISTANCE WAS LESS THAN 1000'. (I WAS CLRED FOR TOUCH AND GO AT THE TIME, RWY 24).

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.