Small aircraft aircraft. Reporter pilot had radio problem and unable to contact appropriate TRACON facility for penetration of class D airspace. Navigation error brought reporter inside class D without communication.

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Attributes
ACN	357400
Time
Date	199701
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : gus
State Reference	IN
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : gus
Operator	general aviation : personal
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	cruise other
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 30 flight time total : 820 flight time type : 820
ASRS Report	357400
Person 2
Affiliation	government other
Function	controller : approach
Qualification	controller : radar
Events
Anomaly	aircraft equipment problem : less severe non adherence : far other anomaly other other spatial deviation
Independent Detector	other controllera other flight crewa
Resolutory Action	flight crew : exited penetrated airspace other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Departed cfj en route to azo. Contacted grissom approach 20 mi south of kokomo, in, for VFR flight following while cruising at 3000 ft MSL. Grissom approach was unable to receive with my hand microphone and my only VOR receiver was not working. Switched to a headset and tried to enter course in new hand-held GPS. Grissom was unable to receive transponder squawk. While attempting to deal with a series of 3 avionics failures concurrently, my course varied such that I inadvertently incurred grissom class D airspace without permission. Class D ceiling is 3300 ft MSL and I passed within 1 mi of runway at 3000 ft MSL. Controller noted the incursion and advised that there was no other traffic at the time. Pilot was lax in navigation probably due to the security of being in my local area, the excellent VFR WX and knowledge that contact was being made with the only controled field close to the route of flight. Incursion could have been avoided by dealing with 1 avionics failure at a time while maintaining good pilotage navigation.

Original NASA ASRS Text

Title: SMA ACFT. RPTR PLT HAD RADIO PROB AND UNABLE TO CONTACT APPROPRIATE TRACON FACILITY FOR PENETRATION OF CLASS D AIRSPACE. NAV ERROR BROUGHT RPTR INSIDE CLASS D WITHOUT COM.

Narrative: DEPARTED CFJ ENRTE TO AZO. CONTACTED GRISSOM APCH 20 MI S OF KOKOMO, IN, FOR VFR FLT FOLLOWING WHILE CRUISING AT 3000 FT MSL. GRISSOM APCH WAS UNABLE TO RECEIVE WITH MY HAND MIKE AND MY ONLY VOR RECEIVER WAS NOT WORKING. SWITCHED TO A HEADSET AND TRIED TO ENTER COURSE IN NEW HAND-HELD GPS. GRISSOM WAS UNABLE TO RECEIVE XPONDER SQUAWK. WHILE ATTEMPTING TO DEAL WITH A SERIES OF 3 AVIONICS FAILURES CONCURRENTLY, MY COURSE VARIED SUCH THAT I INADVERTENTLY INCURRED GRISSOM CLASS D AIRSPACE WITHOUT PERMISSION. CLASS D CEILING IS 3300 FT MSL AND I PASSED WITHIN 1 MI OF RWY AT 3000 FT MSL. CTLR NOTED THE INCURSION AND ADVISED THAT THERE WAS NO OTHER TFC AT THE TIME. PLT WAS LAX IN NAV PROBABLY DUE TO THE SECURITY OF BEING IN MY LCL AREA, THE EXCELLENT VFR WX AND KNOWLEDGE THAT CONTACT WAS BEING MADE WITH THE ONLY CTLED FIELD CLOSE TO THE RTE OF FLT. INCURSION COULD HAVE BEEN AVOIDED BY DEALING WITH 1 AVIONICS FAILURE AT A TIME WHILE MAINTAINING GOOD PILOTAGE NAV.

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.