Why This Matters
The NTSB's preliminary update on the Sept. 6 runway excursion of a 21 Air Boeing 767-33A cargo jet at Miami shows both recorders were recovered intact and read out, with CVR audio capturing one pilot repeatedly warning about excessive speed on approach without consistent response from the other. Beyond aviation safety, it's a reminder of how much modern accident investigation depends on the data integrity of onboard recorders — here over 400 FDR parameters and four channels of audio. Findings on crew coordination and unstabilized approaches often drive changes to airline training and cockpit procedures.
Key Takeaways
- CVR and FDR were recovered and successfully read out: 2+ hours of four-channel audio and ~54 hours of data covering more than 400 parameters.
- Preliminary audio indicates one pilot repeatedly flagged excessive airspeed during the approach to runway 30, without a consistent response from the other pilot.
- NTSB will convene a CVR group in Washington to produce a full transcript; all details remain preliminary and subject to change.
9/9/2026
Page Content
WASHINGTON (Sept. 9, 2026) — The National Transportation Safety Board is providing the following update on its investigation into the Sept. 6 runway excursion accident involving 21 Air Flight 7598, a Boeing 767-33A cargo airplane, at Miami International Airport.
The following information from the cockpit voice recorder (CVR) and flight data recorder (FDR) is preliminary and subject to change.
The NTSB recovered the CVR and FDR from the accident site and transported them to the NTSB’s Vehicle Recorder Laboratory in Washington, DC, where they were successfully read out.
The aircraft was equipped with an Acron Aviation (formerly L3Harris) model FA2100 CVR and an Ontic (formerly Honeywell) model SSFDR FDR.
The CVR contained more than 2 hours of good quality audio across four channels.
The FDR contained approximately 54 hours of data and recorded more than 400 parameters.
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