Aircraft equipment problem receiver #2 failure in IMC.

Attributes
ACN	303460
Time
Date	199504
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : gxy airport : 1v5
State Reference	CO
Altitude	msl bound lower : 7500 msl bound upper : 8000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : den
Operator	general aviation : instructional
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	cruise other
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot instruction : trainee
Qualification	pilot : private
Experience	flight time last 90 days : 20 flight time total : 170 flight time type : 170
ASRS Report	303460
Person 2
Affiliation	Other
Function	flight crew : single pilot instruction : instructor
Qualification	pilot : cfi pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : critical non adherence : far other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : overcame equipment problem other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

During IFR vectors outbound for the gxy ILS approach, lost communication with den approach on 134.85 at 7500 ft during IMC. No ice was visible on airframe, however, ice was visible on tires. After trying other radio, cfii and I decided to return to 1v5, and climb to 8000 ft. We declared our intention in the blind. After about 5 mins, weak communication was established. ATC directed us to 128.45, and communication because good. We then continued VFR to 1v5 on 1200. Further investigation showed communication #2 (the original failure) was weak on receiver. We should have squawked 7600, not 7700.

Original NASA ASRS Text

Title: ACFT EQUIP PROB RECEIVER #2 FAILURE IN IMC.

Narrative: DURING IFR VECTORS OUTBOUND FOR THE GXY ILS APCH, LOST COM WITH DEN APCH ON 134.85 AT 7500 FT DURING IMC. NO ICE WAS VISIBLE ON AIRFRAME, HOWEVER, ICE WAS VISIBLE ON TIRES. AFTER TRYING OTHER RADIO, CFII AND I DECIDED TO RETURN TO 1V5, AND CLB TO 8000 FT. WE DECLARED OUR INTENTION IN THE BLIND. AFTER ABOUT 5 MINS, WEAK COM WAS ESTABLISHED. ATC DIRECTED US TO 128.45, AND COM BECAUSE GOOD. WE THEN CONTINUED VFR TO 1V5 ON 1200. FURTHER INVESTIGATION SHOWED COM #2 (THE ORIGINAL FAILURE) WAS WEAK ON RECEIVER. WE SHOULD HAVE SQUAWKED 7600, NOT 7700.

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.