The Learjet 60 that crashed on Sunday afternoon in Palm Beach County, Florida, killing all nine people aboard, may have broken apart before slamming into the ground.
The Learjet 60 (N722BD) was flying from Austin, Texas, to North Eleuthera Airport in the Bahamas (with passengers likely visiting Harbor Island) when it encountered severe thunderstorms and turbulence.
‼️DEVELOPING: RADAR SHOWS JET FLEW INTO A STORM CORE AT 35,000 FEET
— Live Storm Chasers (@LiveStormChaser) November 1, 2026
Analysis of Miami NEXRAD radar shows the Learjet 60 (N722BD) entered a thunderstorm core near Wellington at about 12:48 PM ET, just before it crashed in Palm Beach County.
At 35,000 feet, radar echoes around… pic.twitter.com/Tt83Gpcck5
The young woman copilot reported icing at 35,000 feet, followed shortly by overspeed conditions and an accelerating descent rate of between 10,000 and 22,000 feet per minute.
"The weather conditions are a major focus of the investigation," NTSB board member Tom Chapman said, quoted by Reuters. Investigators have found evidence suggesting an in-flight breakup and may locate aircraft parts some distance from the main impact area, he added.
The Learjet's maximum operating limits, VMO and MMO, change with altitude. At the altitude the jet was flying before the crash, the operating limit was around Mach 0.81:
There are concerns that icing and moderate turbulence led to a phenomenon called "Mach tuck," in which a jet's nose pitches downward at high speeds as airflow over parts of the wing becomes supersonic and shock waves form.
(excuse the tiktok video), apparently it *could have* also been something called “mach tuck”. Commercial aircraft have been built structurally to prevent this. But it seems Learjet & also older planes CAN be susceptible. https://t.co/YrG4OPtSsA pic.twitter.com/6wyUl3hoQ5
— 𝒥𝚊𝚗𝑒 𝒟𝚘𝑒 (@femanthropy) November 2, 2026
If so, it may explain why the pilot lacked sufficient elevator control due to an in-flight breakup as the aircraft exceeded its maximum operating speed.
WATCH: New video shows Learjet 60 business jet crashing near West Palm Beach, Florida.
— BNO News (@BNONews) November 1, 2026
The plane was completely disintegrated upon impact. Number of casualties unknown. pic.twitter.com/l5JT9KEWnQ
Unconfirmed reports on X say the Instagram account "divisionofaero" found a flight control surface several miles from the crash site, which would indicate overspeed conditions and the resulting breakup of part of the aircraft.
From Instagram account “divisionofaero” — Someone found a flight control surface several miles from the crash site. I've emailed these screenshots to the NTSB. This would indicate the aircraft was breaking up prior to impact. pic.twitter.com/fJj633ndpZ
— RampCheck Aviation (@rampcheck) November 3, 2026
NASA Administrator Jared Isaacman praised the 20-year-old female copilot for continuing to communicate with ATC during the emergency.
"She was doing her job," Isaacman wrote on X.
ATC AUDIO: Final moments of the Learjet 60 crew before the aircraft crashed in West Palm Beach, Florida, killing all 9 people on board. pic.twitter.com/eYFJUiNsU7
— WBC24 (@WBC24News) November 1, 2026
The ATC audio of the young copilot communicating with controllers in the area is one of the worst recordings some commercial pilots say they have ever heard.
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