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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
- 23 Sept 2026, 10:40
- Logged visits
- 319
The station's story
- Cumulative contact time
- 67 h
- Distinct days
- 256
- Highest captured altitude
- 41,000 ft
- Discovery rank
- #1,846 of 60,219
- Longest contact
- 0 h 34 min
Observed callsigns
ALK (280 contacts, 2016-2026)
Operator as per the registry of 28 Sept 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| not transmitted | route not resolved | 15 Oct 2025, 09:5915 Oct 2025 | 15 Oct 2025, 09:59 | 38,000 ft | no position received |
| not transmitted | route not resolved | 11 Oct 2025, 23:5011 Oct 2025 | 11 Oct 2025, 23:50 | 35,000 ft | no position received |
| ALK501 | VCBI > VCBI | 10 Oct 2025, 09:5610 Oct 2025 | 10 Oct 2025, 10:26 | 27,000 ft | 1,261 |
| ALK504 | EGLL > VCBI | 8 Oct 2025, 00:068 Oct 2025 | 8 Oct 2025, 00:10 | 35,000 ft | 249 |
| ALK504 | EGLL > VCBI | 6 Oct 2025, 23:566 Oct 2025 | 6 Oct 2025, 23:59 | 33,000 ft | 165 |
| ALK501 | VCBI > VCBI | 17 Sept 2025, 09:5517 Sept 2025 | 17 Sept 2025, 10:28 | 24,250 ft | 1,024 |
| ALK504 | EGLL > VCBI | 5 Sept 2025, 23:355 Sept 2025 | 5 Sept 2025, 23:36 | 35,000 ft | 33 |
| ALK504 | EGLL > VCBI | 5 Aug 2025, 23:305 Aug 2025 | 5 Aug 2025, 23:35 | 33,000 ft | 224 |
| ALK504 | EGLL > VCBI | 2 Aug 2025, 00:042 Aug 2025 | 2 Aug 2025, 00:06 | 32,975 ft | 61 |
| ALK504 | EGLL > VCBI | 28 Jul 2025, 23:4028 Jul 2025 | 28 Jul 2025, 23:51 | 33,000 ft | 305 |
| ALK504 | EGLL > VCBI | 25 Jul 2025, 00:0125 Jul 2025 | 25 Jul 2025, 00:06 | 33,000 ft | 160 |
| ALK564 | LFPG > VCBI | 23 Jul 2025, 17:0023 Jul 2025 | 23 Jul 2025, 17:19 | 35,000 ft | 833 |
| ALK563 | VCBI > LFPG | 23 Jul 2025, 07:4823 Jul 2025 | 23 Jul 2025, 08:22 | 24,350 ft | 932 |
| ALK564 | LFPG > VCBI | 18 Jul 2025, 16:2118 Jul 2025 | 18 Jul 2025, 16:38 | 33,000 ft | 762 |
| ALK504 | EGLL > VCBI | 10 Jul 2025, 23:3810 Jul 2025 | 10 Jul 2025, 23:43 | 33,000 ft | 139 |
| ALK564 | LFPG > VCBI | 9 Jul 2025, 16:109 Jul 2025 | 9 Jul 2025, 16:28 | 33,000 ft | 695 |
| ALK563 | VCBI > LFPG | 9 Jul 2025, 07:579 Jul 2025 | 9 Jul 2025, 08:30 | 26,125 ft | 1,511 |
| ALK503 | VCBI > EGLL | 30 Jun 2025, 19:3230 Jun 2025 | 30 Jun 2025, 19:57 | 38,000 ft | 1,323 |
| ALK504 | EGLL > VCBI | 28 Jun 2025, 23:3628 Jun 2025 | 28 Jun 2025, 23:37 | 33,000 ft | 17 |
| ALK503 | VCBI > EGLL | 28 Jun 2025, 19:2528 Jun 2025 | 28 Jun 2025, 19:53 | 40,000 ft | 1,527 |
| ALK501 | VCBI > VCBI | 27 Jun 2025, 09:4027 Jun 2025 | 27 Jun 2025, 10:11 | 26,825 ft | 667 |
| ALK503 | VCBI > EGLL | 23 Jun 2025, 19:1823 Jun 2025 | 23 Jun 2025, 19:49 | 40,000 ft | 1,503 |
| ALK503 | VCBI > EGLL | 21 Jun 2025, 19:3021 Jun 2025 | 21 Jun 2025, 19:43 | 38,000 ft | 294 |
| not transmitted | route not resolved | 19 Jun 2025, 23:5719 Jun 2025 | 19 Jun 2025, 23:57 | not transmitted | no position received |
| ALK503 | VCBI > EGLL | 19 Jun 2025, 19:3919 Jun 2025 | 19 Jun 2025, 19:46 | 38,000 ft | 194 |
