TCAS

ACAS X ADS-B ADS-B In ADS-B vulnerability air traffic aviation automation aviation safety avionics collision avoidance Eastern Mediterranean FAA flight safety GPS spoofing ICAO mid-air collision midair collision avoidance navigation integrity NextGen Reagan midair collision Resolution Advisory TCAS II traffic awareness Überlingen Überlingen collision unmanned aircraft

ATIS Sep 7, 2026

TCAS, the Überlingen Collision, and the Resolution Advisory Rule Every Pilot Must Never Override

The 2002 Überlingen mid-air collision killed 71 people after a crew overrode their TCAS Resolution Advisory - a case study in why RA compliance is an absolute rule.

Tower

Cleared Direct Sep 2, 2026

GPS Spoofing, Phantom Aircraft on the Traffic Display, and the ADS-B Vulnerability Hidden in Plain Sight Over the Eastern Mediterranean

GPS spoofing over conflict zones is injecting false position data into ADS-B, creating phantom traffic on cockpit displays and generating false TCAS resolution advisories.

Vector

Cleared Direct Aug 30, 2026

ACAS X, the MIT Algorithm Replacing TCAS, and the Collision Avoidance Logic That Pilots Need to Understand Before the Mandate Arrives

ACAS X replaces TCAS's fixed logic tables with probabilistic algorithms, cutting nuisance advisories by 40–50% while handling drones and eVTOLs alongside manned traffic.

Vector

Cleared Direct Aug 25, 2026

TCAS Two, the Collision Over Lake Constance, and the Rule That Says the Box Beats ATC Every Time

How TCAS works, why a resolution advisory overrides ATC, and what the 2002 Überlingen disaster teaches every pilot about trusting the box.

Vector

Cleared Direct Aug 22, 2026

Tcas, the Traffic Collision Avoidance System, and the Night Over Lake Constance That Taught Every Pilot to Trust the Box Over the Controller

How TCAS prevents midair collisions, the fatal night over Lake Constance, and the absolute rule pilots learned: fly the box.

Vector

Cleared Direct Aug 19, 2026

TCAS to ACAS X, the Climb-Climb-Now Voice in the Cockpit, and the Optimized Logic That's Teaching Collision Avoidance to Turn Left Instead of Just Up

Radio Hangar explores TCAS to ACAS X, the Climb-Climb-Now Voice in the Cockpit, and the Optimized Logic That's Teaching Collision Avoidance to Turn Left Instead of Just Up.

Vector

Cleared Direct Aug 16, 2026

T-CAS II, the Resolution Advisory, and the Night Over Uberlingen That Taught Every Crew to Trust the Box Over the Controller

How TCAS resolution advisories work, why the Überlingen midair changed the rules, and why pilots now trust the box over ATC.

Vector

Cleared Direct Aug 12, 2026

TCAS, the Resolution Advisory, and the Automated Voice That Overrules Air Traffic Control When Two Airplanes Are Thirty Seconds From Hitting

Radio Hangar explores TCAS, the Resolution Advisory, and the Automated Voice That Overrules Air Traffic Control When Two Airplanes Are Thirty Seconds From Hitting.

Vector

Cleared Direct Aug 9, 2026

ACAS X, the Collision Avoidance Brain That Replaced a Rulebook With a Cost Table, and the Slow Fight to Retire TCAS

ACAS X is the FAA's next-generation collision avoidance system, replacing TCAS's hand-written rulebook with an optimized cost table.

Vector

Cleared Direct Jul 5, 2026

The TCAS Resolution Advisory and Uberlingen: The Night the Machine Was Right

The 2002 Überlingen collision killed 71 people when one crew followed ATC instead of their TCAS RA - a failure of training, not technology.

Vector

Cleared Direct Jun 25, 2026

TCAS Resolution Advisories and the Night Over Lake Constance That Rewrote Aviation's Chain of Command

The 2002 Überlingen midair collision killed 71 people and permanently established that a TCAS Resolution Advisory legally outranks an air traffic controller.

Vector

ATIS Apr 23, 2026

The four hundred dollar ADS-B In device and the Reagan midair collision

Analysis of how a portable ADS-B In receiver could have provided 59 seconds of warning before the Reagan National midair collision.

Tower