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Aircraft
ZZ173
Common
- Mode S hex
- 43C173
- Manufacturer
- Boeing
- Serial number
- UK3
- Year built
- not in the registry
- Operator
- Royal Air Force (SHF)
- Country of registration
United Kingdom- First contact
- 5 May 2016, 13:02
- Last contact
- 28 Nov 2025, 14:58
- Logged visits
- 217
The station's story
- Cumulative contact time
- 76 h
- Distinct days
- 192
- Highest captured altitude
- 37,000 ft
- Discovery rank
- #9,724 of 57,441
- Longest contact
- 0 h 46 min
Observed callsigns
RRR (212 contacts, 2016-2025)
Operator as per the registry of 29 Jul 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| RRR6692 | route not resolved | 13 May 2021, 11:5513 May 2021 | 13 May 2021, 12:00 | 31,000 ft | 271 |
| RRR6613 | route not resolved | 24 Apr 2021, 19:1724 Apr 2021 | 24 Apr 2021, 19:45 | 36,000 ft | 2,946 |
| RRR6612 | route not resolved | 23 Apr 2021, 11:1923 Apr 2021 | 23 Apr 2021, 11:24 | 29,000 ft | 216 |
| RRR6715 | route not resolved | 18 Mar 2021, 02:0518 Mar 2021 | 18 Mar 2021, 02:25 | 36,000 ft | 1,729 |
| RRR6714 | route not resolved | 17 Mar 2021, 18:4917 Mar 2021 | 17 Mar 2021, 18:59 | 29,050 ft | 489 |
| RRR6673 | route not resolved | 8 Mar 2021, 19:458 Mar 2021 | 8 Mar 2021, 20:06 | 36,025 ft | 1,920 |
| RRR6672 | route not resolved | 8 Mar 2021, 17:428 Mar 2021 | 8 Mar 2021, 17:57 | 34,500 ft | 1,288 |
| RRR6887 | route not resolved | 22 Feb 2021, 20:5022 Feb 2021 | 22 Feb 2021, 21:10 | 36,025 ft | 1,853 |
| RRR6886 | route not resolved | 20 Feb 2021, 15:1020 Feb 2021 | 20 Feb 2021, 15:27 | 35,000 ft | 1,618 |
| RRR6641 | route not resolved | 16 Jan 2021, 15:5316 Jan 2021 | 16 Jan 2021, 16:24 | 36,000 ft | 3,001 |
| RRR6640 | route not resolved | 16 Jan 2021, 13:2316 Jan 2021 | 16 Jan 2021, 13:52 | 33,000 ft | 2,589 |
| RRR6668 | route not resolved | 10 Dec 2020, 10:5610 Dec 2020 | 10 Dec 2020, 10:58 | 29,000 ft | 101 |
| RRR6657 | route not resolved | 10 Dec 2020, 01:0610 Dec 2020 | 10 Dec 2020, 01:40 | 36,025 ft | 3,362 |
| not transmitted | route not resolved | 9 Dec 2020, 11:139 Dec 2020 | 9 Dec 2020, 11:14 | 27,025 ft | 9 |
| RRR6654 | route not resolved | 8 Dec 2020, 11:018 Dec 2020 | 8 Dec 2020, 11:07 | 29,025 ft | 240 |
| RRR6641 | route not resolved | 6 Jun 2020, 17:346 Jun 2020 | 6 Jun 2020, 18:04 | 36,000 ft | 2,532 |
| RRR6893 | route not resolved | 7 May 2020, 19:507 May 2020 | 7 May 2020, 20:21 | 36,000 ft | 1,410 |
| RRR6892 | route not resolved | 7 May 2020, 13:507 May 2020 | 7 May 2020, 14:06 | 35,000 ft | 1,549 |
| RRR6393 | route not resolved | 11 Apr 2020, 20:3011 Apr 2020 | 11 Apr 2020, 20:58 | 36,000 ft | 2,435 |
| RRR6392 | route not resolved | 10 Apr 2020, 17:5510 Apr 2020 | 10 Apr 2020, 18:17 | 37,000 ft | 1,914 |
| RRR6601 | route not resolved | 31 Mar 2020, 22:1931 Mar 2020 | 31 Mar 2020, 22:48 | 36,000 ft | 2,368 |
| RRR6600 | route not resolved | 28 Mar 2020, 19:0928 Mar 2020 | 28 Mar 2020, 19:32 | 35,025 ft | 1,954 |
| RRR6659 | route not resolved | 24 Jan 2020, 21:5824 Jan 2020 | 24 Jan 2020, 22:25 | 35,975 ft | 2,050 |
| RRR6658 | route not resolved | 23 Jan 2020, 10:3423 Jan 2020 | 23 Jan 2020, 10:43 | 29,000 ft | 231 |
| RRR6715 | route not resolved | 21 Jan 2020, 23:4721 Jan 2020 | 22 Jan 2020, 00:07 | 36,000 ft | 1,723 |
