Stall

November 2, 2007 - 11:07am

“Welcome to Lear Jet Country,” a marketing slogan that attached itself to the early-20-series Lear Jet, is likely to be remembered only by industry old-timers who recall the airplane’s ability to take off and climb to 41,000 feet without effort. It is a capability that disappeared with the advent of the Learjet 35/36.

November 1, 2007 - 10:41am

According to the final report of the Irish Department of Transport Air Accidents Investigation Unit (AAIU) published earlier this year, a Beech King Air 90 (registration N712DB) rolled and dived during an August 2006 flight in Ireland because the owner/pilot lost control of the aircraft during a missed approach in instrument conditions. The pilot’s inexperience was deemed a factor.

October 16, 2007 - 6:49am

Emergency AD 2003-08-52 was issued last month for the GE CT7-9B turboprop in response to 12 compressor-stall events in Saab 340Bs over a six-month period. The stalls occurred when pilots throttled back from takeoff power to climb power. Nine of the events involved engines that had the compressor variable geometry (VG) rigged to N1, one of two allowable rigging options that affords slightly higher performance at the expense of stall margin.

October 12, 2007 - 7:20am

Researchers at the University of West Florida’s Institute for Human and Machine Cognition in Pensacola are developing a symbol-based, flight-deck display that is capable of providing an instantaneous presentation of an aircraft’s flight situation to the pilot. Named Oz, the surprisingly intuitive concept is seen as applicable to all fixed- and rotary-wing aircraft, large and small, civil and military.

October 10, 2007 - 11:26am

LEARJET 35A, GROTON, CONN., AUG. 4, 2003–The first officer’s inadvertent retraction of the flaps during low-altitude maneuvering caused Learjet N135PT to stall and crash into a house while attempting to land at the Groton/New London Airport, said the NTSB. Factors were the captain’s decision to perform a low-altitude maneuver using excessive bank angle, the flight crew’s inadequate coordination and low clouds surrounding the airport.

October 10, 2007 - 11:11am

HAWKER SIDDELEY HS-125-700A, BEAUMONT, TEXAS, SEPT. 20, 2003–While the crew was practicing stalls, Hawker N45BP, operated by Starflite, of Houston, was destroyed when it went down 15 miles northwest of the Beaumont airport. All three pilots on board were all killed.

October 9, 2007 - 11:59am

The Sino Swearingen SJ30-2 that crashed in a remote area of Texas on the morning of April 26 was on the second in a series of flights to complete flutter certification before it suddenly rolled and went into an uncontrolled descent into the ground. Company test pilot Carroll Beeler, 59, was killed in the accident. No one else was aboard.

October 9, 2007 - 11:54am

Donald Greene, 52, executive vice president of bizav equipment supplier Safe Flight Instrument and a son of company founder Leonard Greene, was killed on United Airlines Flight 93, the Boeing 757 that was hijacked and crashed in Pennsylvania on September 11.

October 8, 2007 - 9:45am

When Piper introduced the Meridian in 2001, it marked the return of the Vero Beach, Fla.-based manufacturer to the turboprop market and the end of a nine-year hiatus since the Cheyenne production line went quiet in 1992.

October 8, 2007 - 6:55am

A one-time inspection is required to ensure that all installation fasteners are in place for the left and right aileron balance weights on Gulfstream Vs, in accordance with a September 26 AD (2003-18-11). Investigation of a GV that lost aileron control on final approach revealed that the outboard balance weight of the left aileron had detached and was wedged between the aileron and the rear beam of the wing.

 
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