sensors Mode-S transponder
89505A
ICAO 24-bit transponder address · allocated to Brunei
Currently assigned to V8-DLC · BOEING 787-8 Dreamliner
- Hex
- 89505A
- Octal
- 42250132
- Decimal
- 8,999,002
- Country
- BN
- Tail
- V8-DLC
- Type
- B788
- Flights observed
- 88
- Distinct callsigns
- 11
- Country
- BN
- Last broadcast
- 5d ago
Last known position
Country allocation
The ICAO 24-bit address 89505A falls within the block assigned to Brunei (BN) by ICAO Annex 10, Volume III. Every aircraft registered in Brunei receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.
Callsign history 11 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| RBA635 | - | 20 | 2026-07-12 |
| RBA3 | - | 15 | 2026-07-07 |
| RBA5 | Royal Brunei Airlines | 11 | 2026-06-04 |
| RBA4 | - | 11 | 2026-07-08 |
| RBA636 | - | 10 | 2026-07-12 |
| RBA6 | Royal Brunei Airlines | 9 | 2026-06-05 |
| RBA424 | - | 3 | 2026-06-21 |
| RBA423 | - | 3 | 2026-06-21 |
| RBA4206 | Royal Brunei Airlines | 3 | 2026-05-06 |
| RBA421 | - | 2 | 2026-07-07 |
| RBA2 | - | 1 | 2026-06-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-12 | RBA636 | - | Jul 12, 07:55 UTC | Jul 12, 10:25 UTC | 2h 30m |
| 2026-07-12 | RBA635 | - | Jul 12, 04:50 UTC | Jul 12, 05:10 UTC | 20m |
| 2026-07-12 | RBA635 | - | Jul 12, 02:30 UTC | Jul 12, 04:05 UTC | 1h 35m |
| 2026-07-10 | RBA636 | - | Jul 10, 07:05 UTC | Jul 10, 09:25 UTC | 2h 20m |
| 2026-07-10 | RBA635 | - | Jul 10, 04:50 UTC | Jul 10, 05:05 UTC | 15m |
| 2026-07-10 | RBA635 | - | Jul 10, 02:35 UTC | Jul 10, 02:55 UTC | 20m |
| 2026-07-08 | RBA4 | - | Jul 8, 16:45 UTC | Jul 9, 05:45 UTC | 13h 0m |
| 2026-07-07 | RBA3 | - | Jul 7, 15:10 UTC | Jul 8, 05:10 UTC | 14h 0m |
| 2026-07-07 | RBA421 | - | Jul 7, 01:25 UTC | Jul 7, 01:35 UTC | 10m |
| 2026-07-05 | RBA636 | - | Jul 5, 07:00 UTC | Jul 5, 09:25 UTC | 2h 25m |
| 2026-07-05 | RBA635 | - | Jul 5, 04:55 UTC | Jul 5, 05:15 UTC | 20m |
| 2026-07-05 | RBA635 | - | Jul 5, 02:40 UTC | Jul 5, 03:05 UTC | 25m |
| 2026-07-03 | RBA636 | - | Jul 3, 08:15 UTC | Jul 3, 10:35 UTC | 2h 20m |
| 2026-07-03 | RBA635 | - | Jul 3, 05:00 UTC | Jul 3, 05:30 UTC | 30m |
| 2026-07-03 | RBA635 | - | Jul 3, 02:35 UTC | Jul 3, 03:00 UTC | 25m |
| 2026-06-30 | RBA421 | - | Jun 30, 01:25 UTC | Jun 30, 01:40 UTC | 16m |
| 2026-06-26 | RBA4 | - | Jun 26, 16:39 UTC | Jun 27, 05:29 UTC | 12h 50m |
| 2026-06-25 | RBA3 | - | Jun 25, 16:50 UTC | Jun 26, 05:10 UTC | 12h 20m |
| 2026-06-25 | RBA3 | - | Jun 25, 15:20 UTC | Jun 25, 15:34 UTC | 15m |
| 2026-06-21 | RBA424 | - | Jun 21, 15:15 UTC | Jun 21, 15:25 UTC | 10m |
| 2026-06-21 | RBA423 | - | Jun 21, 10:44 UTC | Jun 21, 10:54 UTC | 10m |
| 2026-06-20 | RBA2 | - | Jun 20, 04:49 UTC | Jun 21, 01:30 UTC | 20h 40m |
| 2026-06-19 | RBA636 | - | Jun 19, 07:04 UTC | Jun 19, 09:34 UTC | 2h 30m |
| 2026-06-19 | RBA635 | - | Jun 19, 04:50 UTC | Jun 19, 05:09 UTC | 20m |
| 2026-06-19 | RBA635 | - | Jun 19, 02:39 UTC | Jun 19, 03:09 UTC | 30m |
| 2026-06-18 | RBA424 | - | Jun 18, 15:55 UTC | Jun 18, 16:15 UTC | 20m |
| 2026-06-14 | RBA636 | - | Jun 14, 07:00 UTC | Jun 14, 09:20 UTC | 2h 20m |
| 2026-06-14 | RBA635 | - | Jun 14, 05:00 UTC | Jun 14, 05:25 UTC | 25m |
| 2026-06-14 | RBA635 | - | Jun 14, 02:50 UTC | Jun 14, 03:10 UTC | 20m |
| 2026-06-07 | RBA636 | HKG → BWN | Jun 7, 07:10 UTC | Jun 7, 09:25 UTC | 2h 15m |
| 2026-06-07 | RBA635 | BWN → HKG | Jun 7, 05:05 UTC | Jun 7, 05:20 UTC | 15m |
| 2026-06-07 | RBA635 | BWN → HKG | Jun 7, 02:45 UTC | Jun 7, 03:05 UTC | 20m |
| 2026-06-05 | RBA6 | MEL → BWN | Jun 5, 02:45 UTC | Jun 5, 03:10 UTC | 25m |
| 2026-06-04 | RBA5 | BWN → MEL | Jun 4, 18:45 UTC | Jun 4, 19:20 UTC | 35m |
| 2026-06-03 | RBA4 | - | Jun 3, 17:05 UTC | Jun 4, 04:00 UTC | 10h 55m |
| 2026-06-02 | RBA3 | - | Jun 2, 17:00 UTC | Jun 3, 05:15 UTC | 12h 15m |
| 2026-05-30 | RBA6 | MEL → BWN | May 30, 09:35 UTC | May 30, 10:05 UTC | 30m |
| 2026-05-29 | RBA5 | BWN → MEL | May 29, 18:40 UTC | May 29, 19:20 UTC | 40m |
| 2026-05-29 | RBA636 | HKG → BWN | May 29, 07:00 UTC | May 29, 09:20 UTC | 2h 20m |
| 2026-05-29 | RBA635 | BWN → HKG | May 29, 04:50 UTC | May 29, 05:05 UTC | 15m |
| 2026-05-29 | RBA635 | BWN → HKG | May 29, 02:40 UTC | May 29, 03:10 UTC | 30m |
| 2026-05-26 | RBA6 | MEL → BWN | May 26, 02:44 UTC | May 26, 09:15 UTC | 6h 30m |
| 2026-05-25 | RBA5 | BWN → MEL | May 25, 18:45 UTC | May 25, 19:20 UTC | 35m |
| 2026-05-22 | RBA6 | MEL → BWN | May 22, 02:50 UTC | May 22, 03:25 UTC | 35m |
| 2026-05-21 | RBA5 | BWN → MEL | May 21, 15:35 UTC | May 21, 19:00 UTC | 3h 25m |
| 2026-05-21 | RBA5 | BWN → MEL | May 21, 12:40 UTC | May 21, 12:50 UTC | 10m |
| 2026-05-20 | RBA4 | - | May 20, 16:30 UTC | May 21, 05:25 UTC | 12h 55m |
| 2026-05-19 | RBA3 | - | May 19, 15:20 UTC | May 20, 05:05 UTC | 13h 46m |
| 2026-05-19 | RBA6 | MEL → BWN | May 19, 09:30 UTC | May 19, 09:40 UTC | 10m |
| 2026-05-19 | RBA6 | MEL → BWN | May 19, 02:50 UTC | May 19, 03:20 UTC | 30m |
About Mode-S
A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.
Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.
Prefer a tail-number view? See the V8-DLC page for operator, model, and routing details .