It is way too soon to speculate about what might have caused the Gulfstream IV runway excursion crash at Hanscom Field in Bedford, Mass. on May 31, but the NTSB preliminary report’s focus on the gust lock system raises some questions.
Gulfstream has contracted with Aircraft Security & Alert Systems, the sole provider of custom-designed Medeco locks for aircraft, to develop an advanced lock system for the Savannah OEM’s new G650.
AirLock Aviation Security Systems has developed a programmable electronic door and access-panel locking system that records all uses of the locks to gain access to an aircraft. Unlike all-aircraft security systems that include sensors and electronic boxes, AirLock’s electronic access control system requires replacing mechanical door and access-panel locks with AirLock’s locking devices.
Aircraft Security & Alert Systems of Dallas has been selected to provide an advanced locking mechanism as standard equipment for Bombardier’s new Challenger 300. The main cabin door, baggage door and hell-hole door will come with Secure II Medeco hardened locks.
Hawker Beechcraft King Air 200, Leonardtown, Md., Oct. 12, 2006–On approach to Runway 29 at St.
Eurocopter AS 350-B2, Scottsdale, Ariz., July 1, 2004–The NTSB determined that the accident was the result of “the inadvertent in-flight engagement of the collective down lock, which resulted in an uncontrolled descent and ground impact.