High-altitude balloons

N930TH's slow, high track suggests a stratospheric balloon

Reported near Olivet, Michigan, the aircraft carried a 65,100-foot altitude reading while moving at about 15 knots.

Map of N930TH's recorded track near Olivet, Michigan: 81 positions over 20 minutes, about 6 miles.
Saved positions of N930TH near Olivet, Michigan, drawn from a short archived excerpt. The line breaks at gaps over 45 seconds, at source changes and at rejected positions. The path measures about 6 miles (5.1 nautical miles) along the plotted segments. Archive timestamps do not establish exact message freshness. USGS topographic background shows roads, water and place names where available. It is a current reference map, not imagery from the flight date. Map data sources

An aircraft reported near Olivet, Michigan, moved at about 15 knots while carrying a recorded altitude of 65,100 feet. Those measurements are consistent with a stratospheric balloon. The observation began on October 2, 2026, and the aircraft database lists the registration as N930TH.

Across a 20-minute stretch, the track covered 5.05 nautical miles. Recorded ground speeds stayed between 13 and 20 knots, giving a concrete picture of the slow movement at the reported altitude. The archived positions do not establish who launched it or the purpose of the flight.

Recorded data for N930TH

Observation
Observed to
Event typeUnusual aircraft
Recorded sourceADS-B, ICAO address
Post date
Last revised
Aircraft
Tail number (registration)N930TH
CallsignHBAL837
ICAO addressACE75A

Measurements

Displayed measurements may be rounded.

Saved reading at .
Ground speed15.3 kn
Archived altitude; reference not retained65,100 ft
Last archived label at . Archive labels are carried between saved positions.
CallsignHBAL837
Transponder code4455
Analysis window: to .
Median ground speed15.1 kn
Highest altitude65,100 ft
Episode duration1,200 s
Telemetry samples81 samples
Record details

Public event ID: c4fcd482-eeda-4c30-881e-a711b380cec8.

Record revision: 3.

Evidence version: f4715d4b9542b8876f54fdb20e5b893fb2e1df67a82deedabf817d03e648c70f.