A300 flight crew encounters airframe icing during takeoff and climb from bos.

Attributes
ACN	601847
Time
Date	200312
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : bos.airport
State Reference	MA
Altitude	msl single value : 1000
Environment
Flight Conditions	IMC
Weather Elements	Ice Snow
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : a90.tracon
Operator	common carrier : air carrier
Make Model Name	A300
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : commercial pilot : atp pilot : private pilot : multi engine pilot : instrument pilot : flight engineer
Experience	controller military : 2 controller non radar : 2 controller supervisory : 2 flight time last 90 days : 150 flight time total : 9650 flight time type : 2650
ASRS Report	601847
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	inflight encounter : weather other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : exited adverse environment flight crew : overcame equipment problem
Consequence	other
Supplementary
Problem Areas	Weather Aircraft Environmental Factor Flight Crew Human Performance
Primary Problem	Ambiguous

Narrative:

Heavy snow, boston logan, airport reopened, third departure. Our carrier procedurally prohibits use of wing anti-ice from 0-1000 ft AGL. After check of wings following deicing, aircraft departed. At 800 ft AGL climb reduced to accelerate at 1000 ft AGL yoke hits aft stop, A300 will not climb. Captain flying activates wing anti-ice immediately when control (pitch) hits aft stop. Aircraft begins climb in 5 seconds, aft yoke pressure relaxed not needed and normal trim resumed. Entire climb embedded in heavy snow, IMC, and airmet turbulence to 20000 ft MSL. Callback conversation with reporter revealed the following information: reporter stated that the snow and precipitation was very heavy. They had deiced/anti-iced with type 4 fluid and indicated that the hold-over time was within limits. He additionally commented that the air carrier policy for waiting for the wing anti-ice system to be activated may be excessive when heavy precipitation is present.

Original NASA ASRS Text

Title: A300 FLT CREW ENCOUNTERS AIRFRAME ICING DURING TKOF AND CLB FROM BOS.

Narrative: HVY SNOW, BOSTON LOGAN, ARPT REOPENED, THIRD DEP. OUR CARRIER PROCEDURALLY PROHIBITS USE OF WING ANTI-ICE FROM 0-1000 FT AGL. AFTER CHK OF WINGS FOLLOWING DEICING, ACFT DEPARTED. AT 800 FT AGL CLB REDUCED TO ACCELERATE AT 1000 FT AGL YOKE HITS AFT STOP, A300 WILL NOT CLB. CAPT FLYING ACTIVATES WING ANTI-ICE IMMEDIATELY WHEN CTL (PITCH) HITS AFT STOP. ACFT BEGINS CLB IN 5 SECONDS, AFT YOKE PRESSURE RELAXED NOT NEEDED AND NORMAL TRIM RESUMED. ENTIRE CLB EMBEDDED IN HVY SNOW, IMC, AND AIRMET TURB TO 20000 FT MSL. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED THAT THE SNOW AND PRECIPITATION WAS VERY HVY. THEY HAD DEICED/ANTI-ICED WITH TYPE 4 FLUID AND INDICATED THAT THE HOLD-OVER TIME WAS WITHIN LIMITS. HE ADDITIONALLY COMMENTED THAT THE ACR POLICY FOR WAITING FOR THE WING ANTI-ICE SYS TO BE ACTIVATED MAY BE EXCESSIVE WHEN HVY PRECIPITATION IS PRESENT.

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.