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B737-700 flight crew reported receiving a low altitude alert from ATC on approach after they misunderstood an altitude clearance.
| Attributes | |
| ACN | 1548155 |
| Time | |
| Date | 201806 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 387 |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Experience | Flight Crew Last 90 Days 428 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT |
Narrative:
On downwind/base cleared from 3;000 feet to 2;000 feet and read back 2;000 feet. Base/final ATC says; 'turn right heading 280 to join localizer; maintain 2;400 feet until established; cleared for the ILS approach.' when given that clearance we were already descending out of 2;200 feet. As we corrected; ATC said; 'altitude alert; MVA for that area is 2;400.' we were already correcting and the G/south was captured within seconds. No terrain or aircraft conflicts. Both pilots heard clearance to 2;000 feet. Pilot monitoring read back 2;000 feet.
Original NASA ASRS Text
Title: B737-700 flight crew reported receiving a low altitude alert from ATC on approach after they misunderstood an altitude clearance.
Narrative: On downwind/base cleared from 3;000 feet to 2;000 feet and read back 2;000 feet. Base/Final ATC says; 'Turn right heading 280 to join localizer; maintain 2;400 feet until established; cleared for the ILS Approach.' When given that clearance we were already descending out of 2;200 feet. As we corrected; ATC said; 'Altitude Alert; MVA for that area is 2;400.' We were already correcting and the G/S was captured within seconds. No terrain or aircraft conflicts. Both pilots heard clearance to 2;000 feet. Pilot Monitoring read back 2;000 feet.
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.