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.
The NTSB said that after an uncontrolled descent incident involving King Air B200 N777AJ, a test of the oxygen system showed it worked. The crew told the Safety Board they were unable to obtain oxygen after depressurizing the aircraft when they noticed cracking of the windshield. The crew became unconscious and the airplane descended from FL 270 to below 10,000 feet before they recovered and regained control of the aircraft.
Germany’s Federal Bureau of Air Accident Investigation (BFU) has provided some initial findings from its inquiry into the crash of Grob Aerospace’s second SPn jet prototype on November 29 last year. The early conclusions show that the investigators now have a fairly clear idea of how the accident happened, but they are not yet completely sure why it happened.
One of three crewmembers was injured when their Challenger SE (special edition corporate version of the CRJ200 regional jet) crashed and burned February 13 while attempting to take off in a snowstorm from Moscow’s Vnukovo Airport on a ferry flight to Berlin for engine repairs. Moscow-based Fort Aero operated the aircraft, carrying U.S. registration N168CK.
Responding to a request from Boeing, the FAA has extended the comment deadline from February 13 to April 16 on its proposal amending digital flight data recorder (DFDR) regulations of Parts 121 and 135 to prohibit “filtering” of signals. During several accident investigations, the NTSB found that some DFDRs were filtering signals before they were recorded.
Cessna Citation 500, Houston, Nov. 5, 2005– The commercial pilot, owner of the airplane, and a passenger, a maintenance technician, were killed when control of Citation N505K was lost on takeoff from William P. Hobby Airport. The pilot had filed an instrument flight plan for the local maintenance test flight, in VFR conditions.
Comments are due March 5 on an FAA proposal to require a low-airspeed awareness system on Cessna 208 and 208B Caravans. The installation will cancel the prohibition against operating the turboprop single in moderate or worse icing conditions.
Cessna Citation 550, Butler, Pa., Jan. 24, 2007–The Air Trek Citation 550 air ambulance landed long at Butler, Pa., slid off the runway and hit a localizer. Weather was IMC. Two people on board were slightly injured and the aircraft was substantially damaged. Air Trek, based in Punta Gorda, Fla., was involved in a fatal accident in 2004.
Cessna 425 Conquest I, Harbor Springs, Mich., Jan. 12, 2007–Cessna 425 N425TN was destroyed when it crashed on landing on Runway 28 at Harbor Springs Airport, but the commercial pilot and a passenger escaped with minor injuries. The second passenger was not injured. The flight from Toledo, Ohio, was conducted on an IFR flight plan in VMC.
Raytheon Beech 99A, Milwaukee, Jan. 25, 2007–A Freight Runners Beech 99 collided with a company Cessna 402B at a runway-taxiway intersection after landing on Runway 25L at General Mitchell International Airport. The Beech 99 pilot, who was slightly injured, landed just past the intersecting Runway 19, slowed, and told Tower he could exit at A2 taxiway, which led to A, and he was cleared.