Data block dropped from radar scope during handoff for 2-3 seconds. No aircraft incident involved.

Attributes
ACN	121175
Time
Date	198908
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : rdu
State Reference	NC
Altitude	msl bound lower : 29000 msl bound upper : 29000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller military : 4 controller radar : 21
ASRS Report	121175
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other
Situations
ATC Facility	other physical facility

Narrative:

Data block on air carrier X disappeared from pvd as sector 28 took handoff from sector 38. Disappeared for 2-3 seconds--2 people observed this. Entap didn't show this--computer people say it didn't happen, but it did, and does on other occasions.

Original NASA ASRS Text

Title: DATA BLOCK DROPPED FROM RADAR SCOPE DURING HANDOFF FOR 2-3 SECONDS. NO ACFT INCIDENT INVOLVED.

Narrative: DATA BLOCK ON ACR X DISAPPEARED FROM PVD AS SECTOR 28 TOOK HDOF FROM SECTOR 38. DISAPPEARED FOR 2-3 SECS--2 PEOPLE OBSERVED THIS. ENTAP DIDN'T SHOW THIS--COMPUTER PEOPLE SAY IT DIDN'T HAPPEN, BUT IT DID, AND DOES ON OTHER OCCASIONS.

Data retrieved from NASA's ASRS site as of August 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.