MD80 crew lost radio contact with ZME when the frequency selector switch was mispositioned.

Attributes
ACN	436110
Time
Date	199905
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : lit.vortac
State Reference	AR
Altitude	msl single value : 23000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zme.artcc
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	436110
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
ASRS Report	436111
Events
Anomaly	aircraft equipment problem : less severe non adherence : far non adherence : published procedure
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : overcame equipment problem
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Off ATC frequency. Upon leveling at FL230, we realized our frequency select switch was inadvertently moved back to departure control frequency. Immediately recontacted center who then gave us a frequency change.

Original NASA ASRS Text

Title: MD80 CREW LOST RADIO CONTACT WITH ZME WHEN THE FREQ SELECTOR SWITCH WAS MISPOSITIONED.

Narrative: OFF ATC FREQ. UPON LEVELING AT FL230, WE REALIZED OUR FREQ SELECT SWITCH WAS INADVERTENTLY MOVED BACK TO DEP CTL FREQ. IMMEDIATELY RECONTACTED CTR WHO THEN GAVE US A FREQ CHANGE.

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.