Pilot of an small aircraft cpr aircraft lost communication with the center at more than 4200 ft above an air traffic area when canceling IFR to descend to a nearby airport.

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Attributes
ACN	258811
Time
Date	199312
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : stj airport : evu
State Reference	MO
Altitude	msl bound lower : 5000 msl bound upper : 5000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zkc tower : stj
Operator	general aviation : corporate
Make Model Name	Small Aircraft, Low Wing, 2 Eng, Retractable Gear
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : commercial
Experience	flight time last 90 days : 58 flight time total : 1300 flight time type : 85
ASRS Report	258811
Person 2
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Events
Anomaly	other anomaly other
Independent Detector	atc equipment other atc equipment : unspecified other controllera other flight crewa
Resolutory Action	none taken : anomaly accepted other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other
Situations
ATC Facility	other physical facility

Narrative:

The ATC communications in northwest missouri, are possibly the worst in the midwest. Something needs to be done so aircraft will not lose ATC communication contact below 5500 ft MSL. Small aircraft X was handed off from mkc approach to ZKC at 5000 ft MSL at about the stj airport. At this point, 2-WAY radio communication started to become broken and unreadable. Small aircraft X heard ZDC call twice, but was not received by ATC when the calls were made by small aircraft X. At that point, small aircraft X contacted stj tower to relay to ZKC that small aircraft X had evu in sight and would like to cancel IFR. Stj tower said that they would, 'let center know.' at this point small aircraft X lost communication with stj tower and continued to evu for landing with a quick-turn and return to stj. Where small aircraft X was notified to contact mr small aircraft X at ZKC.

Original NASA ASRS Text

Title: PLT OF AN SMA CPR ACFT LOST COM WITH THE CTR AT MORE THAN 4200 FT ABOVE AN ATA WHEN CANCELING IFR TO DSND TO A NEARBY ARPT.

Narrative: THE ATC COMS IN NW MISSOURI, ARE POSSIBLY THE WORST IN THE MIDWEST. SOMETHING NEEDS TO BE DONE SO ACFT WILL NOT LOSE ATC COM CONTACT BELOW 5500 FT MSL. SMA X WAS HANDED OFF FROM MKC APCH TO ZKC AT 5000 FT MSL AT ABOUT THE STJ ARPT. AT THIS POINT, 2-WAY RADIO COM STARTED TO BECOME BROKEN AND UNREADABLE. SMA X HEARD ZDC CALL TWICE, BUT WAS NOT RECEIVED BY ATC WHEN THE CALLS WERE MADE BY SMA X. AT THAT POINT, SMA X CONTACTED STJ TWR TO RELAY TO ZKC THAT SMA X HAD EVU IN SIGHT AND WOULD LIKE TO CANCEL IFR. STJ TWR SAID THAT THEY WOULD, 'LET CTR KNOW.' AT THIS POINT SMA X LOST COM WITH STJ TWR AND CONTINUED TO EVU FOR LNDG WITH A QUICK-TURN AND RETURN TO STJ. WHERE SMA X WAS NOTIFIED TO CONTACT MR SMA X AT ZKC.

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.