Stuck microphone causes radio communication problem. Loss of communication frequency. Radio communication problem blocked frequency.

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Attributes
ACN	214272
Time
Date	199207
Day	Fri
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : yip
State Reference	MI
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Controlling Facilities	tracon : dtw tower : yip
Operator	common carrier : air taxi
Make Model Name	Light Transport, Low Wing, 2 Turbojet Eng
Flight Phase	climbout : intermediate altitude ground other : taxi other
Flight Plan	IFR
Person 1
Affiliation	company : air taxi
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time total : 10500
ASRS Report	214272
Person 2
Affiliation	company : air taxi
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 5100 flight time type : 375
ASRS Report	215110
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other controllera other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation other

Narrative:

Discovered stuck microphone while taxiing to runway. Was able to resolve problem. After takeoff stuck microphone problem recurred. Unable to transmit or receive on either communication radio. At this point, we initiated lost communication procedure via transponder, and circled the airport. Received light signal from the tower, landed. Maintenance department informed.

Original NASA ASRS Text

Title: STUCK MIKE CAUSES RADIO COM PROBLEM. LOSS OF COM FREQ. RADIO COM PROBLEM BLOCKED FREQ.

Narrative: DISCOVERED STUCK MIKE WHILE TAXIING TO RWY. WAS ABLE TO RESOLVE PROBLEM. AFTER TKOF STUCK MIKE PROBLEM RECURRED. UNABLE TO XMIT OR RECEIVE ON EITHER COM RADIO. AT THIS POINT, WE INITIATED LOST COM PROC VIA TRANSPONDER, AND CIRCLED THE ARPT. RECEIVED LIGHT SIGNAL FROM THE TWR, LANDED. MAINT DEPT INFORMED.

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.