 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Seattle center controller reported a situation where an aircraft was below the mia and above the MEA; resulting in the MSAW to alarm.
| Attributes | |
| ACN | 1702264 |
| Time | |
| Date | 201911 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZSE.ARTCC |
| State Reference | WA |
| Aircraft 1 | |
| Make Model Name | Light Transport |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Enroute |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 10 |
| Events | |
| Anomaly | ATC Issue All Types Inflight Event / Encounter CFTT / CFIT |
Narrative:
Aircraft X was an IFR from ZZZ to oth. The D side gave him as filed to 060; his requested altitude. Aircraft X started flashing MSAW (minimum safe altitude warning) north of cec; I didn't think anything of it because there were a couple areas in our airspace that the aircraft will flash MSAW because they are below the mia but they are above the MEA and therefore at a safe altitude. For some reason; I thought the MEA on V27 between cec and oth was 060 so I though the MSAW alert was yet another erroneous alert. The MEA on V27 is 064; the mia is 062.although retaining the knowledge of the mias and meas are my responsibility; the erroneous MSAW reports does desensitize us to those alerts. If the program or equipment was updated to fix this problem; aircraft flashing MSAW would elicit a faster response.
Original NASA ASRS Text
Title: Seattle Center Controller reported a situation where an aircraft was below the MIA and above the MEA; resulting in the MSAW to alarm.
Narrative: Aircraft X was an IFR from ZZZ to OTH. The D side gave him as filed to 060; his requested altitude. Aircraft X started flashing MSAW (Minimum Safe Altitude Warning) north of CEC; I didn't think anything of it because there were a couple areas in our airspace that the aircraft will flash MSAW because they are below the MIA but they are above the MEA and therefore at a safe altitude. For some reason; I thought the MEA on V27 between CEC and OTH was 060 so I though the MSAW alert was yet another erroneous alert. The MEA on V27 is 064; the MIA is 062.Although retaining the knowledge of the MIAs and MEAs are my responsibility; the erroneous MSAW reports does desensitize us to those alerts. If the program or equipment was updated to fix this problem; aircraft flashing MSAW would elicit a faster response.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.