Aerotime
NOVEMBER 11, 2024
According to Aviation Herald, the aircraft’s journey had been uneventful until it was on its descent towards Guarulhos Airport when the crew reported a fire in the cargo hold and declared an emergency. The aircraft was directed towards runway 28L at Guarulhos for a priority landing.
Pilot Institute
JULY 4, 2025
Key Takeaways TCAS involves aircraft transponders interrogating each other to predict a collision course. By the 1970s, attention turned to using the signals from transponders to create a collision avoidance system. Transponders were devices that had become common on many aircraft to make them appear on ATC radar.
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WayMan
JUNE 16, 2025
Vertical Speed Indicator (VSI): Indicates the aircraft’s rate of climb or descent, making it possible to accurately control the vertical flight path. Surveillance Systems: Like Transponders and Automatic Dependent Surveillance-Broadcast (ADS-B), which provide greater situational awareness and air traffic management.
Air
JULY 24, 2025
Transponder information was then used to investigate incidents, and later, in 1981, the FAA announced the development of an specific collision avoidance system. TCAS communicates with the transponders or Secondary Surveillance Radars (SSRs) of other nearby aircraft to obtain their altitude and trajectory. Welcome to the world, TCAS!
Flying Magazine
JULY 18, 2025
For ADS-B support, the Atlas was designed to feed WAAS GPS position to a variety of Mode S transponders—an important part of upgrading older turbines. I found an early 2000 TBM700B that was already equipped with a full Garmin suite including G600 TXi, dual GTN navigators, GFC 600 autopilot, and GTX 345R ADS-B transponder.
Plane and Pilot
JANUARY 5, 2025
ATC announced loss of transponder data. The roll was not checked by the pilot and continued past 60 degrees of bank and the descent rate increased. Extreme aerodynamic stresses of the out-of-control descent eventually caused the tail to separate. There was a pause on frequency. Then the pilot said: Hang on. There was no answer.
Plane and Pilot
JUNE 15, 2025
Recorded track data revealed that the pilot began a descent to the destination airport and crossed over the approach end of the runway on a heading perpendicular to the runway heading. The controller issued a discrete transponder code, and no additional communications were observed, and no services were provided.
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