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Aircraft
4R-ALR
Regularcountry captured 13 times
- Mode S hex
- 770592
- Manufacturer
- Airbus
- Serial number
- 1689
- Year built
- 201511 years old
- Operator
- Srilankan Airlines (ALK)
- Country of registration
Sri Lanka- First contact
- 6 Apr 2016, 15:39
- Last contact
- 8 Nov 2026, 23:11
- Logged visits
- 326
The station's story
- Cumulative contact time
- 68 h
- Distinct days
- 262
- Highest captured altitude
- 41,000 ft
- Discovery rank
- #1,852 of 60,659
- Longest contact
- 0 h 34 min
Observed callsigns
ALK (286 contacts, 2016-2026)
Operator as per the registry of 9 Nov 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| ALK504 | EGLL > VCBI | 28 Aug 2021, 20:3128 Aug 2021 | 28 Aug 2021, 20:36 | 37,000 ft | 235 |
| ALK504 | EGLL > VCBI | 24 Aug 2021, 16:1524 Aug 2021 | 24 Aug 2021, 16:21 | 39,000 ft | 160 |
| ALK503 | VCBI > EGLL | 10 Jun 2021, 06:4610 Jun 2021 | 10 Jun 2021, 06:52 | 40,000 ft | 271 |
| ALK504 | EGLL > VCBI | 18 Sept 2020, 00:1718 Sept 2020 | 18 Sept 2020, 00:19 | 37,000 ft | 46 |
| ALK564 | LFPG > VCBI | 12 Aug 2020, 23:3212 Aug 2020 | 12 Aug 2020, 23:53 | 37,000 ft | 1,746 |
| not transmitted | route not resolved | 12 Aug 2020, 06:3512 Aug 2020 | 12 Aug 2020, 06:35 | 40,000 ft | no position received |
| ALK503 | VCBI > EGLL | 26 Jun 2020, 15:4426 Jun 2020 | 26 Jun 2020, 15:44 | not transmitted | no position received |
| ALK504 | EGLL > VCBI | 11 Jun 2020, 23:2611 Jun 2020 | 11 Jun 2020, 23:27 | 35,000 ft | 20 |
| ALK503 | VCBI > EGLL | 16 Feb 2020, 18:3516 Feb 2020 | 16 Feb 2020, 18:56 | 40,000 ft | 1,243 |
| ALK503 | VCBI > EGLL | 30 Jan 2020, 19:1530 Jan 2020 | 30 Jan 2020, 19:19 | 40,000 ft | 136 |
| ALK504 | EGLL > VCBI | 13 Jan 2020, 23:2013 Jan 2020 | 13 Jan 2020, 23:22 | 35,000 ft | 116 |
| ALK503 | VCBI > EGLL | 13 Jan 2020, 18:5813 Jan 2020 | 13 Jan 2020, 19:14 | 38,000 ft | 909 |
| ALK506 | EGLL > VCBI | 12 Jan 2020, 14:4812 Jan 2020 | 12 Jan 2020, 14:51 | 35,000 ft | 39 |
| ALK505 | VCBI > EGLL | 12 Jan 2020, 08:0512 Jan 2020 | 12 Jan 2020, 08:24 | 40,000 ft | 905 |
| ALK504 | EGLL > VCBI | 8 Jan 2020, 23:248 Jan 2020 | 8 Jan 2020, 23:27 | 33,000 ft | 112 |
| ALK503 | VCBI > EGLL | 8 Jan 2020, 19:308 Jan 2020 | 8 Jan 2020, 19:48 | 40,000 ft | 1,127 |
| ALK504 | EGLL > VCBI | 9 Sept 2019, 23:289 Sept 2019 | 9 Sept 2019, 23:28 | 35,000 ft | 19 |
| not transmitted | route not resolved | 23 Aug 2019, 19:3123 Aug 2019 | 23 Aug 2019, 19:32 | 38,000 ft | 2 |
| ALK504 | EGLL > VCBI | 21 May 2019, 23:3521 May 2019 | 21 May 2019, 23:40 | 35,000 ft | 219 |
| not transmitted | route not resolved | 28 Apr 2019, 23:4728 Apr 2019 | 28 Apr 2019, 23:47 | not transmitted | no position received |
| ALK504 | EGLL > VCBI | 16 Dec 2018, 00:2316 Dec 2018 | 16 Dec 2018, 00:33 | 35,000 ft | 495 |
| ALK504 | EGLL > VCBI | 18 Sept 2018, 23:4218 Sept 2018 | 18 Sept 2018, 23:48 | 35,000 ft | 284 |
| ALK506 | EGLL > VCBI | 25 Feb 2018, 14:4525 Feb 2018 | 25 Feb 2018, 14:47 | 35,000 ft | 62 |
| ALK504 | EGLL > VCBI | 3 Oct 2017, 23:393 Oct 2017 | 3 Oct 2017, 23:39 | 35,000 ft | 13 |
| ALK503 | VCBI > EGLL | 17 Jul 2017, 19:1517 Jul 2017 | 17 Jul 2017, 19:20 | 38,000 ft | 122 |
