Corp aircraft has right side cockpit window crack in flight.

Attributes
ACN	183866
Time
Date	199107
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : hro
State Reference	AR
Altitude	msl bound lower : 19000 msl bound upper : 19000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zme
Operator	general aviation : corporate
Make Model Name	Small Transport, Low Wing, 2 Turboprop Eng
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time total : 20000
ASRS Report	183866
Person 2
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	other
Supplementary
Primary Problem	Aircraft

Narrative:

Climbing en route to FL230 a loud bang was encountered. I noted a crack in pilot's side window. I asked for a lower altitude which was granted by center. I received a clearance to return to airport of departure. Landing was made with no further problems.

Original NASA ASRS Text

Title: CORP ACFT HAS R SIDE COCKPIT WINDOW CRACK IN FLT.

Narrative: CLBING ENRTE TO FL230 A LOUD BANG WAS ENCOUNTERED. I NOTED A CRACK IN PLT'S SIDE WINDOW. I ASKED FOR A LOWER ALT WHICH WAS GRANTED BY CENTER. I RECEIVED A CLRNC TO RETURN TO ARPT OF DEP. LNDG WAS MADE WITH NO FURTHER PROBLEMS.

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.