Commuter flight crew fails to ask for taxi clearance to runway 9 but taxies anyway at iah, tx.

Attributes
ACN	509680
Time
Date	200104
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : iah.airport
State Reference	TX
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Embraer Undifferentiated or Other Model
Flight Phase	ground : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : cfi pilot : instrument
Experience	flight time last 90 days : 200 flight time total : 1230 flight time type : 300
ASRS Report	509680
Events
Anomaly	incursion : taxiway non adherence : published procedure non adherence : far non adherence : company policies
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On the ground in houston, we taxied to runway 9 and when we arrived, we realized that we may not have been cleared to do so. No safety was compromised and nothing was said by the controllers.

Original NASA ASRS Text

Title: COMMUTER FLT CREW FAILS TO ASK FOR TAXI CLRNC TO RWY 9 BUT TAXIES ANYWAY AT IAH, TX.

Narrative: ON THE GND IN HOUSTON, WE TAXIED TO RWY 9 AND WHEN WE ARRIVED, WE REALIZED THAT WE MAY NOT HAVE BEEN CLRED TO DO SO. NO SAFETY WAS COMPROMISED AND NOTHING WAS SAID BY THE CTLRS.

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.