<< >> NASA ASRS Report 185709, August 1991

IFR small aircraft X issued takeoff clearance without a release. Operational deviation. Improper ATCT intrafac coordination.

Attributes
ACN	185709
Time
Date	199108
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : tvc
State Reference	MI
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : frg
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : flight data
Qualification	controller : non radar
Experience	controller military : 4 controller non radar : 10
ASRS Report	185709
Person 2
Affiliation	government : faa
Function	controller : ground
Qualification	controller : non radar
Events
Anomaly	non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation Intra Facility Coordination Failure

Narrative:

The ground controller had taxied small aircraft X to runway 8. He neglected to tell the local controller that small aircraft X was IFR. The local controller cleared small aircraft X before a release had been obtained from the center (ZMP). The aircraft was 1 1/2 mi south of the airport before the local controller realized that small aircraft X was IFR. We had an IFR aircraft 3 mi southeast and another IFR departure 3 mi southwest. Callback conversation with reporter revealed the following information. Missing information on report filled in. Reporter stated the intrafac coordination is very loose. The ground controller is not required to inform the local controller an aircraft is IFR. The facility allows the ground controller to have the pilot inform the local controller when the aircraft is IFR. Reporter counseled that a SOP should be adopted that spells out position responsibilities for IFR aircraft releases.

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Original NASA ASRS Text

Title: IFR SMA X ISSUED TKOF CLRNC WITHOUT A RELEASE. OPDEV. IMPROPER ATCT INTRAFAC COORD.

Narrative: THE GND CTLR HAD TAXIED SMA X TO RWY 8. HE NEGLECTED TO TELL THE LCL CTLR THAT SMA X WAS IFR. THE LCL CTLR CLRED SMA X BEFORE A RELEASE HAD BEEN OBTAINED FROM THE CENTER (ZMP). THE ACFT WAS 1 1/2 MI S OF THE ARPT BEFORE THE LCL CTLR REALIZED THAT SMA X WAS IFR. WE HAD AN IFR ACFT 3 MI SE AND ANOTHER IFR DEP 3 MI SW. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO. MISSING INFO ON RPT FILLED IN. RPTR STATED THE INTRAFAC COORD IS VERY LOOSE. THE GND CTLR IS NOT REQUIRED TO INFORM THE LCL CTLR AN ACFT IS IFR. THE FACILITY ALLOWS THE GND CTLR TO HAVE THE PLT INFORM THE LCL CTLR WHEN THE ACFT IS IFR. RPTR COUNSELED THAT A SOP SHOULD BE ADOPTED THAT SPELLS OUT POS RESPONSIBILITIES FOR IFR ACFT RELEASES.

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.