ZSE controller voiced concern altitude information provided by eram.

Attributes
ACN	975591
Time
Date	201110
Local Time Of Day	0001-0600
Place
Locale Reference	ZSE.ARTCC
State Reference	WA
Aircraft 1
Make Model Name	Cessna 152
Flight Phase	Cruise
Route In Use	None
Flight Plan	VFR
Person 1
Function	Enroute
Qualification	Air Traffic Control Fully Certified
Events
Anomaly	ATC Issue All Types

Narrative:

Aircraft showing vfrn in altitude block. The altitude drops out intermittently on many aircraft at various times/locations; too numerous to keep track of them all. I recommend leaving current altitude in as a reported altitude until problem eram wide problem is rectified.

Original NASA ASRS Text

Title: ZSE Controller voiced concern altitude information provided by ERAM.

Narrative: Aircraft showing VFRN in altitude block. The altitude drops out intermittently on many aircraft at various times/locations; too numerous to keep track of them all. I recommend leaving current altitude in as a reported altitude until problem ERAM wide problem is rectified.

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.