Apparatus

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sensors Mode-S transponder

89505B

ICAO 24-bit transponder address · allocated to Brunei

Currently assigned to V8-DLD · BOEING 787-8 Dreamliner

Hex
89505B
Octal
42250133
Decimal
8,999,003
Country
BN
Tail
V8-DLD
Type
B788
No current signal · last broadcast 2h ago
Flights observed
115
Distinct callsigns
17
Country
BN
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 89505B.

Country allocation

The ICAO 24-bit address 89505B 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 17 distinct

Callsign Airline Flights Last seen
RBA5 Royal Brunei Airlines 21 2026-07-06
RBA635 - 17 2026-07-09
RBA3 - 16 2026-07-09
RBA6 - 15 2026-07-07
RBA4 - 13 2026-07-10
RBA636 - 9 2026-07-09
RBA423 - 6 2026-07-12
RBA424 - 3 2026-07-12
RBA2 - 3 2026-07-04
RBA4430 Royal Brunei Airlines 2 2026-06-16
RBA4429 Royal Brunei Airlines 2 2026-06-16
RBA4224 Royal Brunei Airlines 2 2026-06-03
RBA422 Royal Brunei Airlines 2 2026-05-19
RBA4227 Royal Brunei Airlines 1 2026-06-05
RBA421 Royal Brunei Airlines 1 2026-05-19
RBA1 - 1 2026-07-14
RBA004 - 1 2026-04-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 RBA1 - Jul 14, 03:25 UTCJul 14, 08:10 UTC4h 45m
2026-07-12 RBA424 - Jul 12, 14:20 UTCJul 12, 14:30 UTC10m
2026-07-12 RBA423 - Jul 12, 12:45 UTCJul 12, 12:55 UTC10m
2026-07-12 RBA423 - Jul 12, 11:15 UTCJul 12, 11:25 UTC10m
2026-07-10 RBA4 - Jul 10, 17:00 UTCJul 11, 05:40 UTC12h 40m
2026-07-09 RBA3 - Jul 9, 15:15 UTCJul 10, 05:15 UTC14h 0m
2026-07-09 RBA636 - Jul 9, 06:45 UTCJul 9, 09:10 UTC2h 25m
2026-07-09 RBA635 - Jul 9, 04:45 UTCJul 9, 05:10 UTC25m
2026-07-09 RBA635 - Jul 9, 02:35 UTCJul 9, 03:05 UTC30m
2026-07-07 RBA6 - Jul 7, 02:45 UTCJul 7, 06:50 UTC4h 5m
2026-07-06 RBA5 BWN → MEL Jul 6, 19:25 UTCJul 6, 20:15 UTC50m
2026-07-06 RBA5 BWN → MEL Jul 6, 13:45 UTCJul 6, 13:55 UTC10m
2026-07-04 RBA2 - Jul 4, 07:35 UTCJul 5, 01:50 UTC18h 15m
2026-07-04 RBA2 - Jul 4, 04:50 UTCJul 5, 01:50 UTC21h 0m
2026-07-04 RBA2 - Jul 4, 03:20 UTCJul 5, 01:50 UTC22h 30m
2026-07-02 RBA424 - Jul 2, 15:20 UTCJul 2, 15:40 UTC20m
2026-07-02 RBA423 - Jul 2, 12:15 UTCJul 2, 12:30 UTC15m
2026-07-02 RBA423 - Jul 2, 10:50 UTCJul 2, 11:00 UTC10m
2026-07-01 RBA4 - Jul 1, 16:55 UTCJul 2, 05:45 UTC12h 50m
2026-07-01 RBA3 - Jul 1, 02:35 UTCJul 1, 05:20 UTC2h 45m
2026-06-30 RBA3 - Jun 30, 15:20 UTCJul 1, 01:25 UTC10h 5m
2026-06-28 RBA636 - Jun 28, 08:25 UTCJun 28, 10:50 UTC2h 25m
2026-06-28 RBA635 - Jun 28, 04:44 UTCJun 28, 05:09 UTC25m
2026-06-28 RBA635 - Jun 28, 02:29 UTCJun 28, 03:55 UTC1h 25m
2026-06-27 RBA6 - Jun 27, 09:19 UTCJun 27, 09:29 UTC10m
2026-06-27 RBA6 - Jun 27, 02:50 UTCJun 27, 03:20 UTC30m
2026-06-26 RBA5 BWN → MEL Jun 26, 18:29 UTCJun 26, 19:35 UTC1h 5m
2026-06-26 RBA5 BWN → MEL Jun 26, 12:59 UTCJun 26, 13:15 UTC15m
2026-06-24 RBA4 - Jun 24, 16:40 UTCJun 25, 05:44 UTC13h 5m
2026-06-23 RBA3 - Jun 23, 15:15 UTCJun 24, 05:09 UTC13h 55m
2026-06-23 RBA6 - Jun 23, 09:34 UTCJun 23, 09:49 UTC15m
2026-06-23 RBA6 - Jun 23, 02:45 UTCJun 23, 06:55 UTC4h 10m
2026-06-22 RBA5 BWN → MEL Jun 22, 18:49 UTCJun 22, 19:29 UTC40m
2026-06-22 RBA5 BWN → MEL Jun 22, 13:05 UTCJun 22, 13:14 UTC10m
2026-06-21 RBA6 - Jun 21, 02:40 UTCJun 21, 09:04 UTC6h 25m
2026-06-20 RBA5 BWN → MEL Jun 20, 15:44 UTCJun 20, 19:09 UTC3h 25m
2026-06-20 RBA5 BWN → MEL Jun 20, 12:50 UTCJun 20, 12:59 UTC10m
2026-06-18 RBA6 - Jun 18, 10:15 UTCJun 18, 10:30 UTC15m
2026-06-18 RBA6 - Jun 18, 03:20 UTCJun 18, 07:40 UTC4h 20m
2026-06-17 RBA5 BWN → MEL Jun 17, 15:50 UTCJun 17, 19:10 UTC3h 20m
2026-06-17 RBA5 BWN → MEL Jun 17, 12:55 UTCJun 17, 13:05 UTC10m
2026-06-17 RBA636 - Jun 17, 07:45 UTCJun 17, 10:05 UTC2h 20m
2026-06-17 RBA635 - Jun 17, 05:00 UTCJun 17, 05:15 UTC15m
2026-06-17 RBA635 - Jun 17, 02:35 UTCJun 17, 03:05 UTC30m
2026-06-16 RBA4430 SIN → BWN Jun 16, 14:09 UTCJun 16, 14:20 UTC10m
2026-06-16 RBA4429 BWN → SIN Jun 16, 09:40 UTCJun 16, 09:50 UTC10m
2026-06-14 RBA6 - Jun 14, 09:25 UTCJun 14, 09:40 UTC15m
2026-06-14 RBA6 - Jun 14, 02:45 UTCJun 14, 03:20 UTC35m
2026-06-13 RBA5 BWN → MEL Jun 13, 15:50 UTCJun 13, 19:15 UTC3h 25m
2026-06-13 RBA5 BWN → MEL Jun 13, 12:50 UTCJun 13, 13:05 UTC15m

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-DLD page for operator, model, and routing details .

Mode-S 89505B frequently asked

What is Mode-S code 89505B?
89505B is an ICAO 24-bit transponder address. Allocated to Brunei. Assigned to V8-DLD.
Where is Mode-S 89505B registered?
Mode-S code 89505B is allocated to Brunei (BN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 89505B broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 89505B, octal 42250133, decimal 8,999,003.
What flights does 89505B operate?
Mode-S 89505B has broadcast 17 distinct callsigns, including RBA5, RBA635, RBA3, RBA6, RBA4.