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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 Jul 2026, 19:59
- Logged visits
- 303
The station's story
- Cumulative contact time
- 62 h
- Distinct days
- 242
- Highest captured altitude
- 41,000 ft
- Discovery rank
- #1,838 of 57,178
- Longest contact
- 0 h 34 min
Observed callsigns
ALK (264 contacts, 2016-2026)
Operator as per the registry of 12 Aug 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| ALK501 | VCBI > VCBI | 20 Oct 2024, 11:0120 Oct 2024 | 20 Oct 2024, 11:28 | 25,375 ft | 905 |
| ALK504 | EGLL > VCBI | 12 Oct 2024, 00:5212 Oct 2024 | 12 Oct 2024, 01:15 | 35,000 ft | 1,684 |
| ALK503 | VCBI > EGLL | 11 Oct 2024, 21:3111 Oct 2024 | 11 Oct 2024, 21:35 | 34,000 ft | 47 |
| ALK504 | EGLL > VCBI | 10 Oct 2024, 23:3910 Oct 2024 | 10 Oct 2024, 23:49 | 33,000 ft | 204 |
| ALK503 | VCBI > EGLL | 10 Oct 2024, 19:5410 Oct 2024 | 10 Oct 2024, 19:59 | 34,000 ft | 99 |
| ALK504 | EGLL > VCBI | 30 Sept 2024, 23:4930 Sept 2024 | 1 Oct 2024, 00:10 | 33,000 ft | 1,482 |
| not transmitted | route not resolved | 29 Sept 2024, 19:5329 Sept 2024 | 29 Sept 2024, 19:54 | 28,350 ft | no position received |
| ALK501 | VCBI > VCBI | 29 Sept 2024, 13:3529 Sept 2024 | 29 Sept 2024, 13:57 | 38,000 ft | 494 |
| ALK504 | EGLL > VCBI | 28 Sept 2024, 00:3228 Sept 2024 | 28 Sept 2024, 00:56 | 33,000 ft | 1,729 |
| ALK504 | EGLL > VCBI | 25 Sept 2024, 23:5125 Sept 2024 | 26 Sept 2024, 00:16 | 37,000 ft | 1,471 |
| ALK504 | EGLL > VCBI | 24 Sept 2024, 00:1524 Sept 2024 | 24 Sept 2024, 00:39 | 35,000 ft | 1,935 |
| ALK504 | EGLL > VCBI | 16 Sept 2024, 23:2616 Sept 2024 | 16 Sept 2024, 23:54 | 35,000 ft | 1,563 |
| not transmitted | route not resolved | 19 Aug 2024, 23:5319 Aug 2024 | 19 Aug 2024, 23:53 | not transmitted | no position received |
| ALK504 | EGLL > VCBI | 15 Aug 2024, 23:4315 Aug 2024 | 15 Aug 2024, 23:55 | 34,175 ft | 470 |
| ALK503 | VCBI > EGLL | 15 Aug 2024, 19:2215 Aug 2024 | 15 Aug 2024, 19:35 | 40,000 ft | 239 |
| ALK501 | VCBI > VCBI | 14 Aug 2024, 16:5714 Aug 2024 | 14 Aug 2024, 17:11 | 31,000 ft | 74 |
| ALK501 | VCBI > VCBI | 14 Aug 2024, 09:4014 Aug 2024 | 14 Aug 2024, 10:07 | 24,525 ft | 1,034 |
| ALK501 | VCBI > VCBI | 11 Aug 2024, 10:0211 Aug 2024 | 11 Aug 2024, 10:17 | 38,000 ft | 401 |
| ALK504 | EGLL > VCBI | 5 Aug 2024, 23:375 Aug 2024 | 5 Aug 2024, 23:50 | 33,000 ft | 385 |
| ALK503 | VCBI > EGLL | 5 Aug 2024, 19:295 Aug 2024 | 5 Aug 2024, 20:01 | 38,000 ft | 1,894 |
| not transmitted | route not resolved | 4 Aug 2024, 16:254 Aug 2024 | 4 Aug 2024, 16:26 | 27,575 ft | no position received |
| ALK501 | VCBI > VCBI | 4 Aug 2024, 09:504 Aug 2024 | 4 Aug 2024, 10:22 | 24,400 ft | 960 |
| ALK504 | EGLL > VCBI | 30 Jul 2024, 23:4730 Jul 2024 | 31 Jul 2024, 00:05 | 35,000 ft | 1,564 |
| ALK504 | EGLL > VCBI | 28 Jul 2024, 23:5428 Jul 2024 | 29 Jul 2024, 00:15 | 35,000 ft | 1,037 |
| ALK504 | EGLL > VCBI | 23 Jul 2024, 01:3423 Jul 2024 | 23 Jul 2024, 01:45 | 35,000 ft | 352 |
