Notable aircraftGulfstream Aerospace C-37A
Gulfstream Aerospace C-37A 01-0030, a military jet near Colon
The aircraft was reported near Colon, Michigan, at 41,000 feet. The archive carried the callsign SPAR99.
- Replay time · UTC
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- Last saved report · UTC
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- Recorded path
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- Reported ground speed
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- Archived altitude
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The dot moves between saved positions. Readings are from the last saved report. Recorded path is approximate and excludes gaps. Distances use nautical miles (nmi); speed uses knots (nmi per hour).
A military Gulfstream was recorded near Colon, Michigan, on June 19, 2026. The aircraft database identifies registration 01-0030 as a Gulfstream Aerospace C-37A and lists it as military. A recorded altitude of 41,000 feet puts the jet high above the town.
The C-37 designation identifies the variant named in the database. The archive carried the callsign SPAR99, but the observation cannot establish who was aboard or the purpose of the flight. The recorded ground speed was 538 knots.
Recorded data for 01-0030
| Observed | to |
|---|---|
| Event type | Unusual aircraft |
| Recorded source | ADS-B, ICAO address |
| Post date | |
| Last revised |
| Aircraft type | Gulfstream Aerospace C-37A |
|---|---|
| Type designator | GLF5 |
| Tail number (registration) | 01-0030 |
| Callsign | SPAR99 |
| ICAO address | AE115E |
Measurements
Displayed measurements may be rounded.
| Ground speed | 538 kn |
|---|---|
| Archived altitude; reference not retained | 41,000 ft |
| Callsign | SPAR99 |
|---|---|
| Transponder code | 1553 |
Record details
Public event ID: 5d5083d4-c67f-4b.
Record revision: 3.
Evidence version: 7bc1e61badf97fc9.