Icing

March 27, 2007 - 10:37am

Every few years, a debate erupts about whether the phenomenon of ice bridging is real or something questionable that pilots discuss while hangar flying or warning of the dangers of flying in icing conditions. The issue recently resurfaced at an NTSB public meeting about the icing-related crash of a Cessna Citation 560 in Pueblo, Colo., on Feb. 16, 2005.

March 23, 2007 - 12:23pm

Using a new Web-based tool, operators who typically fly below Class A airspace can now obtain icing forecasts up to 12 hours in advance of their flight. The FAA tool provides a color weather map and a flight route display of icing potential from 3,000 to 18,000 feet. The user can select forecast times from three-, six-, nine-, and 12-hour intervals to help plan their routes.

March 9, 2007 - 9:51am

Cessna 550 Citation II, Ft. Yukon, Alaska, Sept. 30, 2005–The captain, copilot and two research scientists were not seriously injured when Citation N77ND made an off-airport, gear-up emergency landing after both engines quit simultaneously. The University of North Dakota flight was doing icing research in IFR conditions when the accident occurred.

March 7, 2007 - 9:50am

Manufacturers of very light jets (VLJs) will be affected by new Advisory Circular 23.1419-2D, which provides guidance in meeting Part 23 requirements for obtaining approval to fly into icing conditions. Comments on a draft of the circular are due by March 6. The advisory will supersede all previous policies related to ice-protection systems on Part 23 airplanes, as well as an advisory circular on contaminated-tailplane stalls.

February 7, 2007 - 9:15am

In the spirit of the season, the NATA Safety First program has made available its aircraft de/anti-icing training module, designed specifically for line techs, ground handlers, flight crews and dispatch personnel. The interactive, online training provides the latest and safest de/anti-icing procedures available. NATA urges personnel to review critical issues such as training, procedures and responsibilities annually.

January 30, 2007 - 10:45am

Much has been written lately about the potential cost of not de-icing a business airplane before attempting to fly it, so we posed the question recently in our AINalerts twice-weekly electronic news bulletin, “What about the cost of de-icing? The price seems to vary wildly. What is the most you have paid to have a business jet de-iced? What type of airplane was it, which facility de-iced it, and what were the circumstances?”

January 10, 2007 - 12:23pm

Deicing boots must be installed on the landing gear struts and cargo pods of several hundred Cessna Caravans approved for flight into icing under an AD published today.

January 10, 2007 - 10:07am

Two recent accidents in icing conditions involving Cessna Caravans have prompted the NTSB to issue more recommendations for the high-wing turboprop single.

December 15, 2006 - 5:50am

A recent letter from the FAA’s Eastern Region regional counsel has generated concern that the agency has abruptly changed its icing policy. Regional counsel Loretta Alkalay’s letter was in response to a request by flight instructor Robert Miller for a definition of known ice. Alkalay wrote, “Known icing conditions exist when visible moisture or high relative humidity combines with temperatures near or below freezing.

November 22, 2006 - 6:47am

Investigators have determined that a Cessna 208B Caravan that crashed near Pelee Island, Ontario, on Jan. 17, 2004, exceeded the maximum allowable takeoff weight by at least 15 percent, in addition to being contaminated with ice. All 10 people on board were killed in the accident.

 
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