Multi engine instructor with student enters TCA without contact.

Attributes
ACN	224182
Time
Date	199210
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : buj
State Reference	TX
Altitude	msl bound lower : 4000 msl bound upper : 4200
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dfw
Operator	general aviation : instructional
Make Model Name	Small Aircraft, Low Wing, 2 Eng, Retractable Gear
Flight Phase	cruise other
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : cfi pilot : commercial pilot : instrument
Experience	flight time last 90 days : 180 flight time total : 920 flight time type : 300
ASRS Report	224182
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	non adherence : far other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : became reoriented
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While conducting multi-engine/single engine procedure we inadvertently climbed to 4200 in an area which may have been within the TCA (dfw). We were unable to verify as our DME was inoperative. We immediately descended and turned toward a heading away from the TCA.

Original NASA ASRS Text

Title: MULTI ENG INSTRUCTOR WITH STUDENT ENTERS TCA WITHOUT CONTACT.

Narrative: WHILE CONDUCTING MULTI-ENG/SINGLE ENG PROC WE INADVERTENTLY CLBED TO 4200 IN AN AREA WHICH MAY HAVE BEEN WITHIN THE TCA (DFW). WE WERE UNABLE TO VERIFY AS OUR DME WAS INOP. WE IMMEDIATELY DSNDED AND TURNED TOWARD A HDG AWAY FROM THE TCA.

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.