overheadlog, radio and ADS-B
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Aircraft

OH-GEM

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Mode S hex
46104C
Manufacturer
not in the registry
Serial number
not in the registry
Year built
not in the registry
Operator
not in the registry
Country of registration
FinlandFinland
First contact
17 Dec 2025, 12:53
Last contact
13 Nov 2026, 16:38
Logged visits
72

The station's story

Cumulative contact time
37 h
Distinct days
44
Highest captured altitude
30,000 ft
Discovery rank
#57,663 of 60,675
Longest contact
0 h 45 min
Contacts on this Mode S address
254 contacts on the address, 72 under this registration: the address has carried several identities over time.

Observed callsigns

FSF (81 contacts, 2026)

Operator as per the registry of 9 Nov 2026; observed callsigns are the freshest measurement.

Visits

CallsignFirst contactAltitude at end of contact
FSF688T13 Nov 20262,425 ft
FSF602B12 Nov 202623,000 ft
FSF304B11 Nov 2026not transmitted
FSF304B11 Nov 2026not transmitted
FSF549I8 Nov 2026not transmitted
FSF232A7 Nov 202624,000 ft
FSF748M2 Nov 2026not transmitted
FSF826A1 Nov 20265,725 ft
FSF826A1 Nov 202624,000 ft
FSF731Z30 Oct 20266,275 ft
FSF829Z30 Oct 202626,000 ft
FSF436T22 Oct 20266,500 ft
FSF525A21 Oct 202630,000 ft
FSF388S21 Oct 2026not transmitted
FSF388S21 Oct 202630,000 ft
FSF403A18 Oct 2026not transmitted
FSF403A18 Oct 202624,000 ft
FSF929A16 Oct 2026not transmitted
FSF929A16 Oct 202623,000 ft
FSF877W12 Oct 20262,150 ft
FSF567T11 Oct 202619,000 ft
FSF422A8 Oct 2026not transmitted
FSF422A8 Oct 202626,000 ft
FSF422A8 Oct 202623,000 ft
FSF880W5 Oct 2026not transmitted