Flight crew of an air carrier medium large transport departed without receiving an IFR clearance.

Attributes
ACN	270159
Time
Date	199405
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : pit
State Reference	PA
Altitude	msl bound lower : 1000 msl bound upper : 1000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : pit tower : opf
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : atp pilot : instrument
Experience	flight time last 90 days : 180 flight time total : 11000 flight time type : 3000
ASRS Report	270159
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	non adherence : far non adherence : published procedure other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Just after takeoff we realized we did not receive our IFR clearance. All others -- ramp, ground, tower, takeoff -- were issued. We were below 1000 ft AGL and called for a clearance. It was issued immediately. Flight continued normally.

Original NASA ASRS Text

Title: FLC OF AN ACR MLG DEPARTED WITHOUT RECEIVING AN IFR CLRNC.

Narrative: JUST AFTER TKOF WE REALIZED WE DID NOT RECEIVE OUR IFR CLRNC. ALL OTHERS -- RAMP, GND, TWR, TKOF -- WERE ISSUED. WE WERE BELOW 1000 FT AGL AND CALLED FOR A CLRNC. IT WAS ISSUED IMMEDIATELY. FLT CONTINUED NORMALLY.

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.