NTSB details unstable approach in fatal Miami 767 runway overrun

New findings from the National Transportation Safety Board (NTSB) indicate that a Boeing 767-300 freighter which overran a runway at Miami was significantly above normal approach speed and triggered multiple warnings in the final minute before touchdown.

The aircraft, operated by cargo carrier 21 Air and branded for Amazon Air, overran runway 30 on 6 September. It struck two ground vehicles beyond the runway end, killing five people, before coming to rest.

According to the NTSB’s updated analysis of the cockpit-voice and flight-data recorders, roughly one minute and 11 seconds before touchdown — as one pilot called for 20 degrees of flap — the other cautioned that the aircraft was flying too fast. Investigators said that pilot raised concerns about speed repeatedly for the remainder of the recording, but noted there was no consistent verbal response to those comments.

In the 40 seconds between the 1,000ft call-out and touchdown, the aircraft issued several aural warnings for an excessive sink rate, including below 500ft. After the 100ft call-out, the jet generated four “too low, terrain” ground-proximity alerts, and another at roughly 40ft. A call for 30 degrees of flap came just 10 seconds before touchdown.

About 15 seconds after landing — and only five seconds before the aircraft departed the paved surface — one pilot called for a go-around. Investigators had previously indicated that, around this time, the throttles were advanced to go-around thrust for a few seconds before being pulled back to idle. The cockpit-voice and flight-data recordings have not yet been fully synchronised, so the precise timing of the thrust change remains to be confirmed.

The update adds to the factual record in an investigation likely to draw attention across the air cargo and express freight sector, where carriers operating converted passenger airframes on overnight networks face ongoing scrutiny of approach-stability practices. Notably, the NTSB’s factual reporting stops short of drawing conclusions about cause; the Board’s final report, including any analysis of crew coordination and the go-around attempt, remains pending.

Sector snapshot

Defence and aerospace-industrial names were mixed in recent trading. National Presto Industries (NPK), which operates a defence segment alongside its housewares business, traded at $144.01, down 1.72% from a previous close of $146.52, valuing the company at roughly $1.06 billion. Market participants in the broader aerospace and defence industry continue to monitor safety and regulatory developments that can shape procurement and fleet-utilisation discussions.

What to watch

• Further NTSB factual updates, including synchronised recorder data and the timeline of the go-around thrust application.
• The probable-cause report, which typically follows 12–24 months after a major accident investigation.
• Any statements from 21 Air or Amazon Air regarding fleet or operational changes.
• Upcoming earnings from defence and aerospace-industrial suppliers for sector context.

Source: original release