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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
- 28 Jul 2026, 20:29
- Logged visits
- 177
The station's story
- Cumulative contact time
- 59 h
- Distinct days
- 165
- Highest captured altitude
- 37,025 ft
- Discovery rank
- #7,578 of 57,441
- Longest contact
- 0 h 35 min
Observed callsigns
RRR (162 contacts, 2016-2026)
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 |
|---|---|---|---|---|---|
| RRR6113 | route not resolved | 23 Nov 2025, 16:1123 Nov 2025 | 23 Nov 2025, 16:42 | 34,050 ft | 2,079 |
| RRR6112 | route not resolved | 23 Nov 2025, 09:4223 Nov 2025 | 23 Nov 2025, 09:49 | 33,000 ft | 380 |
| RRR6167 | route not resolved | 14 Nov 2025, 16:1214 Nov 2025 | 14 Nov 2025, 16:43 | 36,000 ft | 1,709 |
| RRR6166 | route not resolved | 13 Nov 2025, 07:4013 Nov 2025 | 13 Nov 2025, 07:56 | 33,000 ft | 1,054 |
| RRR6127 | route not resolved | 7 Nov 2025, 00:097 Nov 2025 | 7 Nov 2025, 00:29 | 36,000 ft | 2,053 |
| RRR6126 | route not resolved | 6 Nov 2025, 08:486 Nov 2025 | 6 Nov 2025, 09:06 | 31,000 ft | 1,219 |
| RRR6133 | route not resolved | 5 Nov 2025, 19:255 Nov 2025 | 5 Nov 2025, 19:51 | 36,000 ft | 1,770 |
| RRR6132 | route not resolved | 5 Nov 2025, 09:515 Nov 2025 | 5 Nov 2025, 10:05 | 33,000 ft | 117 |
| RRR6123 | route not resolved | 5 Nov 2025, 00:415 Nov 2025 | 5 Nov 2025, 01:04 | 32,000 ft | 2,232 |
| RRR6122 | route not resolved | 4 Nov 2025, 08:504 Nov 2025 | 4 Nov 2025, 09:05 | 31,000 ft | 989 |
| RRR6163 | route not resolved | 3 Nov 2025, 16:503 Nov 2025 | 3 Nov 2025, 17:16 | 36,025 ft | 1,661 |
| RRR6162 | route not resolved | 2 Nov 2025, 09:542 Nov 2025 | 2 Nov 2025, 10:11 | 33,850 ft | 1,172 |
| RRR6123 | route not resolved | 10 Sept 2025, 01:0410 Sept 2025 | 10 Sept 2025, 01:26 | 36,000 ft | 2,146 |
| RRR6122 | route not resolved | 8 Sept 2025, 11:028 Sept 2025 | 8 Sept 2025, 11:15 | 27,000 ft | 389 |
| RRR6237 | route not resolved | 2 Sept 2025, 17:412 Sept 2025 | 2 Sept 2025, 18:14 | 35,975 ft | 2,057 |
| RRR6236 | route not resolved | 30 Aug 2025, 15:1030 Aug 2025 | 30 Aug 2025, 15:23 | 31,000 ft | 492 |
| RRR6629 | route not resolved | 29 May 2025, 15:0929 May 2025 | 29 May 2025, 15:36 | 34,000 ft | 1,617 |
| RRR6628 | route not resolved | 28 May 2025, 10:3028 May 2025 | 28 May 2025, 10:44 | 33,025 ft | 600 |
| RRR6231 | route not resolved | 28 Apr 2025, 13:3628 Apr 2025 | 28 Apr 2025, 14:00 | 36,000 ft | 1,285 |
| RRR6629 | route not resolved | 25 Apr 2025, 22:4725 Apr 2025 | 25 Apr 2025, 23:13 | 32,025 ft | 1,589 |
| RRR6628 | route not resolved | 24 Apr 2025, 17:0824 Apr 2025 | 24 Apr 2025, 17:22 | 33,000 ft | 773 |
| 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 |
