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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
- #1,845 of 60,201
- 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 |
|---|---|---|---|---|---|
| ALK503 | VCBI > EGLL | 16 Jun 2026, 19:4116 Jun 2026 | 16 Jun 2026, 19:49 | 40,000 ft | 137 |
| ALK503 | VCBI > EGLL | 13 Jun 2026, 19:5613 Jun 2026 | 13 Jun 2026, 20:12 | 40,000 ft | 233 |
| ALK501 | VCBI > VCBI | 12 Jun 2026, 10:1012 Jun 2026 | 12 Jun 2026, 10:43 | 23,925 ft | 1,411 |
| ALK503D | route not resolved | 10 Jun 2026, 22:3010 Jun 2026 | 10 Jun 2026, 22:33 | 40,000 ft | 48 |
| ALK503 | VCBI > EGLL | 6 Jun 2026, 20:126 Jun 2026 | 6 Jun 2026, 20:19 | 40,000 ft | 130 |
| ALK501 | VCBI > VCBI | 5 Jun 2026, 10:185 Jun 2026 | 5 Jun 2026, 10:34 | 38,000 ft | 330 |
| ALK503 | VCBI > EGLL | 2 Jun 2026, 19:522 Jun 2026 | 2 Jun 2026, 20:05 | 38,000 ft | 362 |
| ALK503 | VCBI > EGLL | 31 May 2026, 19:5231 May 2026 | 31 May 2026, 20:08 | 38,000 ft | 366 |
| ALK503 | VCBI > EGLL | 29 May 2026, 19:5229 May 2026 | 29 May 2026, 20:08 | 38,000 ft | 352 |
| ALK504 | EGLL > VCBI | 27 May 2026, 23:4027 May 2026 | 27 May 2026, 23:45 | 37,000 ft | 131 |
| ALK503 | VCBI > EGLL | 27 May 2026, 19:4727 May 2026 | 27 May 2026, 19:51 | 40,000 ft | 125 |
| ALK503 | VCBI > EGLL | 25 May 2026, 19:5525 May 2026 | 25 May 2026, 20:01 | 38,000 ft | 223 |
| ALK503 | VCBI > EGLL | 23 May 2026, 19:5423 May 2026 | 23 May 2026, 20:01 | 40,000 ft | 239 |
| ALK504 | EGLL > VCBI | 18 May 2026, 23:5018 May 2026 | 19 May 2026, 00:03 | 33,000 ft | 1,256 |
| ALK504 | EGLL > VCBI | 16 May 2026, 00:0116 May 2026 | 16 May 2026, 00:03 | 35,000 ft | 57 |
| ALK504 | EGLL > VCBI | 10 May 2026, 00:0010 May 2026 | 10 May 2026, 00:01 | 33,000 ft | 2 |
| ALK503 | VCBI > EGLL | 9 May 2026, 20:099 May 2026 | 9 May 2026, 20:15 | 40,000 ft | 186 |
| ALK501 | VCBI > VCBI | 8 May 2026, 10:208 May 2026 | 8 May 2026, 10:48 | 28,650 ft | 1,292 |
| ALK501 | VCBI > VCBI | 6 May 2026, 10:126 May 2026 | 6 May 2026, 10:37 | 28,150 ft | 1,193 |
| ALK504 | EGLL > VCBI | 1 May 2026, 23:451 May 2026 | 1 May 2026, 23:57 | 33,000 ft | 500 |
| ALK504 | EGLL > VCBI | 28 Apr 2026, 00:0028 Apr 2026 | 28 Apr 2026, 00:01 | 35,000 ft | 66 |
| ALK503 | VCBI > EGLL | 25 Apr 2026, 20:1525 Apr 2026 | 25 Apr 2026, 20:22 | 40,000 ft | 209 |
| ALK501 | VCBI > VCBI | 24 Apr 2026, 10:2524 Apr 2026 | 24 Apr 2026, 10:51 | 27,900 ft | 1,288 |
| ALK504 | EGLL > VCBI | 21 Apr 2026, 00:1421 Apr 2026 | 21 Apr 2026, 00:17 | 33,000 ft | 52 |
| not transmitted | route not resolved | 15 Apr 2026, 00:2615 Apr 2026 | 15 Apr 2026, 00:27 | 35,000 ft | 2 |
