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Real caseCoding proposed by the PHASE chain, not reviewed by an analyst.37 objects16:14:00 → 16:38:32

Unstabilised approach, Embraer E190 VH-UYO, Darwin

Darwin, 12 February 2025, flight QF1888. At the initial approach fix, the guidance reverts to basic modes. Less than two and a half minutes later, the aircraft passes 1,000 ft above the glideslope, fast, not in landing configuration.

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Step 1 of 10: A reading of a public report
PHASE chart: Unstabilised approach, Embraer E190 VH-UYO, Darwin
Descent and weather avoidanceDes…The mode reversionThe mode rev…Lateral deviation below the MSALateral deviation below the MSA“Established” and the final approach fix“Established” and the final ap…The 1,000 ft gateThe 1,000 ft…The 500 ft gate and the configurationThe 500 ft gate and the con…Cues of perceived time pressurePM: deviation reported to ATCPM: partial readbackPF: “established” call outside tolerancePF: continuation decided at the gatePM: “stable” assessment at the gatePM: flap 4 detectedPF: corrections via selectors, AP engagedPM: flap 2 selected 800 ft below profilePM: flap 4 selectedPM: before landing checklist reported donePM: flap 5 restoredPF: AP disconnected, manual landingPF: autopilot not disconnectedPF: approach mode not re-armedPM: incomplete readbackPF: non-compliant position reportPM: flap 4 selected instead of flap 5PF: go-around not initiatedPM: no “unstable” callIncorrect aircraft mode: basic modesIncorrect flight path: lateral deviationVertical position: above the glideslopeIncorrect configuration: flap 4Stabilisation not achievedIncorrect speed: above VAPP + 10Guidance reverts to basic modesIMC down to about 1,200 ftStationary storm cell over the aerodromeMaintain 2,000 ft until glideslope interceptStabilisation heights differ by conditions16:35:3016:36:0016:36:3016:37:0016:37:3016:38:0016:38:30LAPAR, initial approach fixLAPAR, initial approach fixOutside lateral tolerance, below the MSAOutside toleranceTOROT, final approach fixTOROT, final approach fixIMC stabilisation height, 1,000 ft1,000 ftVMC stabilisation height, 500 ft500 ftTouchdownTouchdown16:34:51