<< >> NASA ASRS Report 900766, July 2010

Gcm is an identifier assigned to two locations. First there is an airport located in oklahoma; there is also a NAVAID located on the grand cayman island that also has the gcm identifier. ATC attempted to route the aircraft to the NAVAID when the airport in oklahoma was the actual destination.

Attributes
ACN	900766
Time
Date	201007
Local Time Of Day	0601-1200
Place
Locale Reference	GCM.Airport
State Reference	OK
Environment
Light	Daylight
Aircraft 1
Make Model Name	PC-12
Flight Plan	IFR
Component
Aircraft Component	FMS/FMC
Person 1
Qualification	Air Traffic Control Fully Certified
Events
Anomaly	ATC Issue All Types Deviation - Procedural Clearance Deviation - Track / Heading All Types

Narrative:

Pilot filed direct gcm. Uret shows that gcm (NAVAID) is grand cayman island. Gcm is claremore oklahoma. There should not be a NAVAID gcm (in grand cayman) and an airport gcm (in oklahoma). In this age of computerized flight plans the airport and the NAVAID should be co-located. We put the aircraft on routing to florida and only later discovered that the aircraft was going to oklahoma. Change one of the identifiers.

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Original NASA ASRS Text

Title: GCM is an identifier assigned to two locations. First there is an airport located in Oklahoma; there is also a NAVAID located on the Grand Cayman Island that also has the GCM identifier. ATC attempted to route the aircraft to the NAVAID when the airport in Oklahoma was the actual destination.

Narrative: Pilot filed direct GCM. URET shows that GCM (NAVAID) is Grand Cayman Island. GCM is Claremore Oklahoma. There should not be a NAVAID GCM (in Grand Cayman) and an airport GCM (in Oklahoma). In this age of computerized flight plans the airport and the NAVAID should be co-located. We put the aircraft on routing to Florida and only later discovered that the aircraft was going to Oklahoma. Change one of the identifiers.

Data retrieved from NASA's ASRS site as of April 2012 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.