HB9EYARADIO & ADS-B
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Aircraft

OO-ACF

Common

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Mode S hex
448466
Type
Boeing 747-400B744
Manufacturer
Boeing
Serial number
35169
Year built
2007
Operator
Challenge Airlines (FRH)
Country of registration
BelgiumBelgium
First contact
27 Mar 2020, 13:15
Last contact
8 Aug 2026, 08:37
Logged visits
432

The station's story

Cumulative contact time
44 h
Distinct days
378
Highest captured altitude
43,025 ft
Discovery rank
#37,662 of 57,065
Longest contact
0 h 31 min
Contacts on this Mode S address
463 contacts on the address, 432 under this registration: the address has carried several identities over time.

Same airframe, also seen as

  • 4X-ICDfrom 28 Feb 2019 to 21 Jul 2024 · 58 contacts

These registrations share the same serial number and type according to the reference data. Serial numbers can collide, though: it is a deduction, not a certainty.

Observed callsigns

CHG (175 contacts, 2021-2026) · ICL (153 contacts, 2021-2026) · FRH (58 contacts, 2020)

Operator as per the registry of 21.07.2026; observed callsigns are the freshest measurement.

Visits

CallsignFirst contactAltitude at end of contact
not transmitted8 Aug 202634,000 ft
ICL98119 Jul 202632,000 ft
ICL98417 Jul 202637,000 ft
ICL98316 Jul 202632,000 ft
ICL90015 Jul 202619,000 ft
ICL98412 Jul 202635,000 ft
ICL8536 Jul 202639,150 ft
ICL90927 Jun 202633,950 ft
not transmitted21 Jun 202633,000 ft
CHG28621 Jun 202636,000 ft
CHG28520 Jun 202637,000 ft
CHG85619 Jun 202634,300 ft
ICL90328 May 202636,425 ft
ICL90317 May 202640,325 ft
not transmitted5 May 202635,975 ft
not transmitted18 Apr 202634,000 ft
ICL85325 Feb 202638,875 ft
ICL90521 Feb 202634,800 ft
CHG28628 Jan 202634,000 ft
CHG85623 Jan 202634,050 ft
CHG60716 Jan 202638,375 ft
ICL90030 Dec 202541,000 ft
ICL85326 Dec 202534,000 ft
ICL85322 Dec 202537,850 ft
CHG28610 Dec 202536,000 ft