Flight crew had to execute go around procedure due to an aircraft departing in front of them.

Attributes
ACN	144398
Time
Date	199005
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : iah
State Reference	TX
Altitude	msl bound lower : 500 msl bound upper : 5000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : iah
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	landing other
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 10000 flight time type : 100
ASRS Report	144398
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

Tower cleared an medium large transport for takeoff when we were about 500' on final approach causing us to go around. Took about 20 mins to get back in sequence and land.

Original NASA ASRS Text

Title: FLT CREW HAD TO EXECUTE GO AROUND PROC DUE TO AN ACFT DEPARTING IN FRONT OF THEM.

Narrative: TWR CLRED AN MLG FOR TKOF WHEN WE WERE ABOUT 500' ON FINAL APCH CAUSING US TO GO AROUND. TOOK ABOUT 20 MINS TO GET BACK IN SEQUENCE AND LAND.

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.