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Aircraft
ZZ174
Common
- Mode S hex
- 43C174
- Manufacturer
- Boeing
- Serial number
- UK4
- Year built
- not in the registry
- Operator
- Royal Air Force (SHF)
- Country of registration
United Kingdom
- First contact
- 20 Apr 2016, 16:01
- Last contact
- 30 Aug 2026, 16:25
- Logged visits
- 181
The station's story
- Cumulative contact time
- 61 h
- Distinct days
- 169
- Highest captured altitude
- 37,025 ft
- Discovery rank
- #7,599 of 60,197
- Longest contact
- 0 h 35 min
Observed callsigns
RRR (166 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 |
|---|---|---|---|---|---|
| RRR6993 | route not resolved | 3 Apr 2025, 23:533 Apr 2025 | 4 Apr 2025, 00:19 | 25,000 ft | 1,815 |
| RRR6992 | route not resolved | 3 Apr 2025, 19:153 Apr 2025 | 3 Apr 2025, 19:43 | not transmitted | 1,770 |
| RRR6629 | route not resolved | 29 Mar 2025, 20:4129 Mar 2025 | 29 Mar 2025, 21:12 | 36,025 ft | 2,467 |
| RRR6628 | route not resolved | 12 Mar 2025, 08:1612 Mar 2025 | 12 Mar 2025, 08:33 | 35,000 ft | 1,079 |
| RRR6173 | route not resolved | 10 Mar 2025, 16:5710 Mar 2025 | 10 Mar 2025, 17:12 | 32,000 ft | 705 |
| RRR6173 | route not resolved | 10 Mar 2025, 16:0110 Mar 2025 | 10 Mar 2025, 16:09 | 7,575 ft | 431 |
| not transmitted | route not resolved | 24 Feb 2025, 22:0824 Feb 2025 | 24 Feb 2025, 22:32 | 34,000 ft | 1,752 |
| not transmitted | route not resolved | 22 Feb 2025, 12:2822 Feb 2025 | 22 Feb 2025, 12:47 | 33,025 ft | 804 |
| not transmitted | route not resolved | 17 Feb 2025, 20:1317 Feb 2025 | 17 Feb 2025, 20:37 | 32,025 ft | 2,116 |
| not transmitted | route not resolved | 16 Feb 2025, 09:5616 Feb 2025 | 16 Feb 2025, 10:11 | 31,000 ft | 776 |
| not transmitted | route not resolved | 15 Feb 2025, 15:0015 Feb 2025 | 15 Feb 2025, 15:26 | 36,000 ft | 1,729 |
| not transmitted | route not resolved | 14 Feb 2025, 17:1714 Feb 2025 | 14 Feb 2025, 17:32 | 31,000 ft | 844 |
| not transmitted | route not resolved | 9 Feb 2025, 23:549 Feb 2025 | 10 Feb 2025, 00:26 | 32,000 ft | 2,327 |
| not transmitted | route not resolved | 6 Feb 2025, 15:376 Feb 2025 | 6 Feb 2025, 15:55 | 35,000 ft | 1,110 |
| not transmitted | route not resolved | 3 Jan 2025, 13:253 Jan 2025 | 3 Jan 2025, 13:54 | 34,000 ft | 1,680 |
| not transmitted | route not resolved | 2 Jan 2025, 09:552 Jan 2025 | 2 Jan 2025, 10:11 | 37,000 ft | 1,112 |
| not transmitted | route not resolved | 17 Dec 2024, 14:0417 Dec 2024 | 17 Dec 2024, 14:36 | 36,000 ft | 1,737 |
| not transmitted | route not resolved | 16 Dec 2024, 12:1416 Dec 2024 | 16 Dec 2024, 12:35 | 29,000 ft | 443 |
| RRR6360 | route not resolved | 16 Apr 2024, 20:4616 Apr 2024 | 16 Apr 2024, 21:00 | 31,000 ft | 774 |
| RRR6725 | route not resolved | 22 Mar 2024, 18:5522 Mar 2024 | 22 Mar 2024, 19:20 | 36,000 ft | 1,753 |
| RRR6724 | route not resolved | 20 Mar 2024, 10:2620 Mar 2024 | 20 Mar 2024, 10:41 | 31,000 ft | 701 |
| RRR6629 | route not resolved | 23 Feb 2024, 22:5223 Feb 2024 | 23 Feb 2024, 23:13 | 34,000 ft | 1,922 |
| RRR6691 | route not resolved | 21 Jan 2024, 19:1421 Jan 2024 | 21 Jan 2024, 19:39 | 34,000 ft | 2,055 |
| RRR6690 | route not resolved | 20 Jan 2024, 10:2420 Jan 2024 | 20 Jan 2024, 10:32 | 31,000 ft | 240 |
| RRR6391 | route not resolved | 3 Dec 2023, 20:343 Dec 2023 | 3 Dec 2023, 20:57 | 30,000 ft | 1,999 |
