ASRS 2100051
ACN 2100051 · 2024-03 · Beech 1900
TRACON Controller reported an aircraft descended below its assigned altitude. The Controller issued a low altitude alert and a traffic alert.
Pilot narrative
Verbatim, de-identified by NASA. Placeholders: ZZZ,
X, Y.
Aircraft X was on a visual approach, descending to 080 Direct to the airport. Aircraft Y Departed, ZZZ, Direct ZZZ1 Level at 070. I issue traffic to both aircraft and both acknowledged. Aircraft X Descended through his assigned altitude, Lowest observed altitude was 7800 ft. When I seen him through 7900 ft. began to Key up and ask him if he was leveling off at 8000 ft. before. The transmission was made observed him at 7800 ft. and begin issued a low altitude alert, and a traffic alert. Immediately, after keying up, I Observed Aircraft X Climbing back to his assigned altitude of 8000 ft.
NASA classification · Anomalies
- ATC Issue
- Conflict
- Deviation - Altitude
- Deviation / Discrepancy - Procedural
- Inflight Event / Encounter
NASA classification · Assessments
- Contributing Factors / Situations
- Human Factors
- Primary Problem
- Human Factors
ASRS reports are voluntary, de-identified by NASA, and represent the reporter's perspective; they are not investigated and cannot be used to infer prevalence. Authoritative source: asrs.arc.nasa.gov ↗