Sometimes the system plays a huge role, two 737's in trouble.
At 1002, Velocity 1384 transmitted that they were on a 4 NM (7 km) final for the RNAV GNSS approach. At 1004, as they were not visual with the runway, the crew initiated a missed approach from 132 ft AGL. The FO reported that as they commenced the missed approach, it was possible to confirm that they were aligned with the runway by looking directly down. At 1012, ATC initiated a distress phase.The aircraft was positioned for a second approach, during which the cabin crew were briefed and prepared for an emergency landing, briefing the passengers to brace accordingly. A t 1014, Velocity 1384 landed at Mildura in foggy conditions with fuel below the required reserves.
https://www.atsb.gov.au/media/577054...-100-final.pdf