ZMP controller described near incident when aircraft; issued clearance from non twred airport; elected to taxi onto runway with traffic on ILS for same runway.

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Attributes
ACN	717347
Time
Date	200611
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : cwa.airport
State Reference	MN
Altitude	agl single value : 0
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zmp.artcc
Operator	common carrier : air carrier
Make Model Name	SF 340A
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 8
Flight Phase	descent : approach
Route In Use	approach : instrument precision
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zmp.artcc
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	ground : taxi ground : position and hold
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 23
ASRS Report	717347
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	incursion : runway
Independent Detector	other controllera
Resolutory Action	flight crew : took evasive action
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Air carrier Y an air charter; called for clearance. I gave him a depart runway 8; heading 080 degrees; climb to 4000 ft; and hold for release. I told him there was an air carrier X on the ILS runway 8. I had lost radar on the air carrier X so I don't now how far out he was; probably around 5 mi. The air carrier Y said he was talking to air carrier X and he was already on the runway -- holding and ready to go. (Cwa tower was closed.) I tried to raise air carrier X -- no luck. I hurriedly had the air carrier Y go to advisory and see how far out the air carrier X was. I tried to call both aircraft for about 90 seconds with no response. To my relief; air carrier Y called back. He was clear of the runway and had hurried to the nearest taxiway and exited. About 30 seconds later; air carrier X landed. I do not believe the air carrier Y should have taxied onto the runway before calling for clearance; especially at night; during IMC; at a relatively busy airport!

Original NASA ASRS Text

Title: ZMP CTLR DESCRIBED NEAR INCIDENT WHEN ACFT; ISSUED CLRNC FROM NON TWRED ARPT; ELECTED TO TAXI ONTO RWY WITH TFC ON ILS FOR SAME RWY.

Narrative: ACR Y AN AIR CHARTER; CALLED FOR CLRNC. I GAVE HIM A DEPART RWY 8; HDG 080 DEGS; CLB TO 4000 FT; AND HOLD FOR RELEASE. I TOLD HIM THERE WAS AN ACR X ON THE ILS RWY 8. I HAD LOST RADAR ON THE ACR X SO I DON'T NOW HOW FAR OUT HE WAS; PROBABLY AROUND 5 MI. THE ACR Y SAID HE WAS TALKING TO ACR X AND HE WAS ALREADY ON THE RWY -- HOLDING AND READY TO GO. (CWA TWR WAS CLOSED.) I TRIED TO RAISE ACR X -- NO LUCK. I HURRIEDLY HAD THE ACR Y GO TO ADVISORY AND SEE HOW FAR OUT THE ACR X WAS. I TRIED TO CALL BOTH ACFT FOR ABOUT 90 SECONDS WITH NO RESPONSE. TO MY RELIEF; ACR Y CALLED BACK. HE WAS CLR OF THE RWY AND HAD HURRIED TO THE NEAREST TXWY AND EXITED. ABOUT 30 SECONDS LATER; ACR X LANDED. I DO NOT BELIEVE THE ACR Y SHOULD HAVE TAXIED ONTO THE RWY BEFORE CALLING FOR CLRNC; ESPECIALLY AT NIGHT; DURING IMC; AT A RELATIVELY BUSY ARPT!

Data retrieved from NASA's ASRS site as of January 2009 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.