Aircraft equipment problem. Lost radios, one with no transmit or receive and the other, receive only. Flight crew squawked 7700 which was picked up by approach control, but not the controller for reporter's area. Reporter says they were below ny approach control radar coverage. Flight crew landed uneventfully.

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Attributes
ACN	336650
Time
Date	199605
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : fok
State Reference	NY
Altitude	msl bound lower : 2000 msl bound upper : 2000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90 tower : fok
Operator	general aviation : personal
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	descent : approach other
Route In Use	enroute : on vectors
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 190 flight time total : 4950 flight time type : 3900
ASRS Report	336650
Person 2
Affiliation	Other
Function	instruction : trainee
Qualification	pilot : private
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency none taken : unable other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

While being vectored for an approach at fok (ILS runway 4), smoke came from instrument panel. Turned 180 degrees to fok immediately. Tried to advise ny approach of situation. Neither radio would transmit. #1 radio shut down, was hot to the touch and the obvious problem. #2 radio could only receive as it was overheated by radio #1 (radio #1 narco mark 12). Squawked 7700 bdr radar picked up emergency squawk and notified fok tower that a mayday aircraft was approaching and they anticipated us arriving. (New york approach did not see us because we were below their radar coverage.) fok tower felt we did everything correctly without incident. A&P maintenance (hwv) confirmed the above problem.

Original NASA ASRS Text

Title: ACFT EQUIP PROB. LOST RADIOS, ONE WITH NO XMIT OR RECEIVE AND THE OTHER, RECEIVE ONLY. FLC SQUAWKED 7700 WHICH WAS PICKED UP BY APCH CTL, BUT NOT THE CTLR FOR RPTR'S AREA. RPTR SAYS THEY WERE BELOW NY APCH CTL RADAR COVERAGE. FLC LANDED UNEVENTFULLY.

Narrative: WHILE BEING VECTORED FOR AN APCH AT FOK (ILS RWY 4), SMOKE CAME FROM INST PANEL. TURNED 180 DEGS TO FOK IMMEDIATELY. TRIED TO ADVISE NY APCH OF SIT. NEITHER RADIO WOULD XMIT. #1 RADIO SHUT DOWN, WAS HOT TO THE TOUCH AND THE OBVIOUS PROB. #2 RADIO COULD ONLY RECEIVE AS IT WAS OVERHEATED BY RADIO #1 (RADIO #1 NARCO MARK 12). SQUAWKED 7700 BDR RADAR PICKED UP EMER SQUAWK AND NOTIFIED FOK TWR THAT A MAYDAY ACFT WAS APCHING AND THEY ANTICIPATED US ARRIVING. (NEW YORK APCH DID NOT SEE US BECAUSE WE WERE BELOW THEIR RADAR COVERAGE.) FOK TWR FELT WE DID EVERYTHING CORRECTLY WITHOUT INCIDENT. A&P MAINT (HWV) CONFIRMED THE ABOVE PROB.

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.