<< >> NASA ASRS Report 332110, March 1996

The flight crew departed denton, tx, VFR with the intention of flying under the class B airspace. The thought occurred that perhaps they climbed too soon. The controller made no assertion that he did.

Attributes
ACN	332110
Time
Date	199603
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : dfw airport : dto
State Reference	TX
Altitude	msl bound lower : 3000 msl bound upper : 5000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dfw
Operator	general aviation : corporate
Make Model Name	Learjet 35
Operating Under FAR Part	Part 91
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 150 flight time total : 5650 flight time type : 1300
ASRS Report	332110
Person 2
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	other anomaly other other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

We departed VFR from dto en route to lbl. We picked up our IFR from dfw approach. A couple days later I began to question whether we climbed too soon and possibly flew through the outer edge of dfw class B airspace. I'm almost certain we had cleared their boundaries before climbing high enough to enter their airspace. But I felt I should be on the safe side and file this report. At no time do I feel there was any danger from this situation. Due to a heavy flying schedule I believe this was a detail that might have been overlooked although I feel fairly certain we cleared their airspace. ATC did not question us at all.

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Original NASA ASRS Text

Title: THE FLC DEPARTED DENTON, TX, VFR WITH THE INTENTION OF FLYING UNDER THE CLASS B AIRSPACE. THE THOUGHT OCCURRED THAT PERHAPS THEY CLBED TOO SOON. THE CTLR MADE NO ASSERTION THAT HE DID.

Narrative: WE DEPARTED VFR FROM DTO ENRTE TO LBL. WE PICKED UP OUR IFR FROM DFW APCH. A COUPLE DAYS LATER I BEGAN TO QUESTION WHETHER WE CLBED TOO SOON AND POSSIBLY FLEW THROUGH THE OUTER EDGE OF DFW CLASS B AIRSPACE. I'M ALMOST CERTAIN WE HAD CLRED THEIR BOUNDARIES BEFORE CLBING HIGH ENOUGH TO ENTER THEIR AIRSPACE. BUT I FELT I SHOULD BE ON THE SAFE SIDE AND FILE THIS RPT. AT NO TIME DO I FEEL THERE WAS ANY DANGER FROM THIS SIT. DUE TO A HVY FLYING SCHEDULE I BELIEVE THIS WAS A DETAIL THAT MIGHT HAVE BEEN OVERLOOKED ALTHOUGH I FEEL FAIRLY CERTAIN WE CLRED THEIR AIRSPACE. ATC DID NOT QUESTION US AT ALL.

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.