ZDC controller becomes distraction, missing an overtake at FL290.

Attributes
ACN	531429
Time
Date	200111
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : ood.vortac
State Reference	NJ
Altitude	msl single value : 29000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : enroute altitude change
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	Do 328 TP (Turboprop)
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller military : 8 controller radar : 5
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation non adherence : published procedure
Independent Detector	atc equipment : conflict alert
Resolutory Action	none taken : detected after the fact
Supplementary
Problem Areas	ATC Human Performance Aircraft Environmental Factor
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Speeds were assigned to both aircraft. Aircraft #1 overtook aircraft #2 with aircraft #2 not advising of inability to hold airspeed. Sector complexity was high with combined sectors, holding for lga, and coordination with aircraft 2 movement.

Original NASA ASRS Text

Title: ZDC CTLR BECOMES DISTR, MISSING AN OVERTAKE AT FL290.

Narrative: SPDS WERE ASSIGNED TO BOTH ACFT. ACFT #1 OVERTOOK ACFT #2 WITH ACFT #2 NOT ADVISING OF INABILITY TO HOLD AIRSPD. SECTOR COMPLEXITY WAS HIGH WITH COMBINED SECTORS, HOLDING FOR LGA, AND COORD WITH ACFT 2 MOVEMENT.

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.