Small aircraft aircraft on training flight was told by departure airport tower ATCT controller that they had penetrated class B airspace. Reporter pilot denies that vehemently and said he has flown from that airport for 25 yrs and he knows the TCA boundaries very well.

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Attributes
ACN	352990
Time
Date	199611
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : mzb airport : myf
State Reference	CA
Altitude	msl bound lower : 1700 msl bound upper : 1700
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : myf
Operator	general aviation : personal
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial climbout : takeoff
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : atp pilot : commercial pilot : instrument pilot : cfi
Experience	flight time last 90 days : 20 flight time total : 13000 flight time type : 200
ASRS Report	352990
Person 2
Affiliation	Other
Function	instruction : trainee
Qualification	pilot : student
Events
Anomaly	non adherence : far non adherence : published procedure other anomaly other other anomaly other
Independent Detector	other controllera
Resolutory Action	flight crew : exited penetrated airspace other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Ambiguous
Air Traffic Incident	other

Narrative:

Tower reported incursion of class B airspace. Having carefully prebriefed departure, and knowing the specific boundary and surface features, I am sure there was no incursion. I am also sure no violation was filed, and appreciate the help of our excellent tower crew. The main reason for this report: my experience with pilotage-type navigation is extensive, and my experience with TCA's span the entire history of these ugly things, with equipment ranging from J3's to B757's. I can tell you that the average airline pilot never even pulls the chart out! Student pilots are mystified by them, and experienced pilots can spend full time just steering clear. Departing myf, my home base for a quarter century, still requires either an instrument clearance or a full-time monitor of the local chart. I realize there is nothing any of us can do about this situation, until a GPS-map with audible alarms becomes standard, but I thought I'd write -- after all, it's free!

Original NASA ASRS Text

Title: SMA ACFT ON TRAINING FLT WAS TOLD BY DEP ARPT TWR ATCT CTLR THAT THEY HAD PENETRATED CLASS B AIRSPACE. RPTR PLT DENIES THAT VEHEMENTLY AND SAID HE HAS FLOWN FROM THAT ARPT FOR 25 YRS AND HE KNOWS THE TCA BOUNDARIES VERY WELL.

Narrative: TWR RPTED INCURSION OF CLASS B AIRSPACE. HAVING CAREFULLY PREBRIEFED DEP, AND KNOWING THE SPECIFIC BOUNDARY AND SURFACE FEATURES, I AM SURE THERE WAS NO INCURSION. I AM ALSO SURE NO VIOLATION WAS FILED, AND APPRECIATE THE HELP OF OUR EXCELLENT TWR CREW. THE MAIN REASON FOR THIS RPT: MY EXPERIENCE WITH PILOTAGE-TYPE NAV IS EXTENSIVE, AND MY EXPERIENCE WITH TCA'S SPAN THE ENTIRE HISTORY OF THESE UGLY THINGS, WITH EQUIP RANGING FROM J3'S TO B757'S. I CAN TELL YOU THAT THE AVERAGE AIRLINE PLT NEVER EVEN PULLS THE CHART OUT! STUDENT PLTS ARE MYSTIFIED BY THEM, AND EXPERIENCED PLTS CAN SPEND FULL TIME JUST STEERING CLR. DEPARTING MYF, MY HOME BASE FOR A QUARTER CENTURY, STILL REQUIRES EITHER AN INST CLRNC OR A FULL-TIME MONITOR OF THE LCL CHART. I REALIZE THERE IS NOTHING ANY OF US CAN DO ABOUT THIS SIT, UNTIL A GPS-MAP WITH AUDIBLE ALARMS BECOMES STANDARD, BUT I THOUGHT I'D WRITE -- AFTER ALL, IT'S FREE!

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.