<< >> NASA ASRS Report 509640, April 2001

Speed deviation of over 250 KTS at 8000 ft by an F100 flight crew when they are distraction with an inoperative engine anti-ice system near icing conditions at pit, PA.

Attributes
ACN	509640
Time
Date	200104
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : pit.airport
State Reference	PA
Altitude	msl single value : 8000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 8000 flight time type : 150
ASRS Report	509640
Events
Anomaly	aircraft equipment problem : less severe inflight encounter : weather other anomaly
Resolutory Action	controller : issued advisory flight crew : became reoriented
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance Weather
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

First officer was PF. Captain was typing message to dispatcher concerning icing condition and areas. Aircraft had developed inoperative engine anti-ice during flight. Considering diverting. First officer didn't slow to 250 KTS before descending through 10000 ft. At 8000 ft MSL (approximately), ATC asked us what our speed was. We quickly slowed to 250 KTS from approximately 275 KTS. No vectors or restrs were given to us or other aircraft due to unintentional increased airspeed.

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Original NASA ASRS Text

Title: SPD DEV OF OVER 250 KTS AT 8000 FT BY AN F100 FLT CREW WHEN THEY ARE DISTR WITH AN INOP ENG ANTI-ICE SYS NEAR ICING CONDITIONS AT PIT, PA.

Narrative: FO WAS PF. CAPT WAS TYPING MESSAGE TO DISPATCHER CONCERNING ICING CONDITION AND AREAS. ACFT HAD DEVELOPED INOP ENG ANTI-ICE DURING FLT. CONSIDERING DIVERTING. FO DIDN'T SLOW TO 250 KTS BEFORE DSNDING THROUGH 10000 FT. AT 8000 FT MSL (APPROX), ATC ASKED US WHAT OUR SPD WAS. WE QUICKLY SLOWED TO 250 KTS FROM APPROX 275 KTS. NO VECTORS OR RESTRS WERE GIVEN TO US OR OTHER ACFT DUE TO UNINTENTIONAL INCREASED AIRSPD.

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.