The flight crew of an air carrier SD360 was unable to raise the nose gear after takeoff.

Attributes
ACN	425054
Time
Date	199901
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz
State Reference	US
Altitude	agl bound lower : 0 agl bound upper : 100
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Flight Phase	climbout : initial other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 30 flight time total : 10000 flight time type : 500
ASRS Report	425054
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	Other

Narrative:

At takeoff gear failed to retract, suspect 3-WAY valve incorrectly aligned.

Original NASA ASRS Text

Title: THE FLC OF AN ACR SD360 WAS UNABLE TO RAISE THE NOSE GEAR AFTER TKOF.

Narrative: AT TKOF GEAR FAILED TO RETRACT, SUSPECT 3-WAY VALVE INCORRECTLY ALIGNED.

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.