sensors Mode-S transponder
C81E22
ICAO 24-bit transponder address · allocated to New Zealand
Currently assigned to ZK-OKQ · BOEING 777-300ER
- Hex
- C81E22
- Octal
- 62017042
- Decimal
- 13,114,914
- Country
- NZ
- Tail
- ZK-OKQ
- Type
- B77W
- Flights observed
- 104
- Distinct callsigns
- 20
- Country
- NZ
- Last broadcast
- 9h ago
Last known position
Country allocation
The ICAO 24-bit address C81E22 falls within the block assigned to New Zealand (NZ) by ICAO Annex 10, Volume III. Every aircraft registered in New Zealand 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 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| ANZ281 | Air New Zealand | 10 | 2026-05-13 |
| ANZ99 | Air New Zealand | 8 | 2026-05-05 |
| ANZ90 | Air New Zealand | 8 | 2026-05-06 |
| ANZ282 | Air New Zealand | 7 | 2026-05-10 |
| ANZ175 | Air New Zealand | 7 | 2026-04-28 |
| ANZ5 | Air New Zealand | 6 | 2026-05-27 |
| ANZ176 | Air New Zealand | 6 | 2026-04-28 |
| ANZ103 | Air New Zealand | 6 | 2026-05-02 |
| ANZ6 | Air New Zealand | 5 | 2026-05-26 |
| ANZ104 | Air New Zealand | 5 | 2026-05-03 |
| ANZ284 | Air New Zealand | 4 | 2026-04-25 |
| ANZ283 | Air New Zealand | 4 | 2026-04-26 |
| ANZ28 | Air New Zealand | 4 | 2026-05-14 |
| ANZ953 | Air New Zealand | 3 | 2026-05-29 |
| ANZ29 | Air New Zealand | 3 | 2026-05-15 |
| ANZ945 | Air New Zealand | 2 | 2026-05-23 |
| ANZ903 | Air New Zealand | 2 | 2026-04-17 |
| ANZ24 | Air New Zealand | 2 | 2026-05-28 |
| ANZ23 | Air New Zealand | 2 | 2026-05-29 |
| ANZ122 | Air New Zealand | 2 | 2026-05-26 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | ANZ953 | NAN → AKL | May 29, 22:15 UTC | May 30, 05:10 UTC | 6h 55m |
| 2026-05-29 | ANZ23 | YVR → AKL | May 29, 04:30 UTC | May 29, 17:55 UTC | 13h 25m |
| 2026-05-28 | ANZ24 | AKL → YVR | May 28, 08:30 UTC | May 28, 20:40 UTC | 12h 10m |
| 2026-05-27 | ANZ953 | NAN → AKL | May 27, 22:40 UTC | May 28, 05:20 UTC | 6h 40m |
| 2026-05-27 | ANZ5 | LAX → AKL | May 27, 05:19 UTC | May 27, 17:45 UTC | 12h 25m |
| 2026-05-26 | ANZ6 | AKL → LAX | May 26, 08:39 UTC | May 26, 20:15 UTC | 11h 35m |
| 2026-05-26 | ANZ122 | MEL → AKL | May 26, 03:05 UTC | May 26, 06:04 UTC | 3h 0m |
| 2026-05-25 | ANZ121 | AKL → MEL | May 25, 21:19 UTC | May 26, 01:05 UTC | 3h 45m |
| 2026-05-25 | ANZ5 | LAX → AKL | May 25, 05:30 UTC | May 25, 17:55 UTC | 12h 25m |
| 2026-05-24 | ANZ6 | AKL → LAX | May 24, 08:35 UTC | May 24, 19:35 UTC | 11h 0m |
| 2026-05-23 | ANZ945 | RAR → AKL | May 23, 21:10 UTC | May 24, 06:05 UTC | 8h 55m |
| 2026-05-23 | ANZ23 | YVR → AKL | May 23, 04:15 UTC | May 23, 17:20 UTC | 13h 5m |
| 2026-05-22 | ANZ24 | AKL → YVR | May 22, 12:20 UTC | May 23, 00:35 UTC | 12h 15m |
| 2026-05-17 | ANZ5 | LAX → AKL | May 17, 05:40 UTC | May 17, 17:45 UTC | 12h 5m |
| 2026-05-16 | ANZ6 | AKL → LAX | May 16, 09:35 UTC | May 16, 21:00 UTC | 11h 25m |
| 2026-05-16 | ANZ122 | MEL → AKL | May 16, 03:55 UTC | May 16, 07:05 UTC | 3h 11m |
| 2026-05-15 | ANZ121 | AKL → MEL | May 15, 22:40 UTC | May 16, 02:05 UTC | 3h 25m |
| 2026-05-15 | ANZ29 | IAH → AKL | May 15, 03:15 UTC | May 15, 17:20 UTC | 14h 4m |
| 2026-05-14 | ANZ28 | AKL → IAH | May 14, 08:10 UTC | May 14, 20:50 UTC | 12h 40m |
| 2026-05-14 | ANZ146 | BNE → AKL | May 14, 02:40 UTC | May 14, 05:25 UTC | 2h 45m |
| 2026-05-13 | ANZ145 | AKL → BNE | May 13, 21:45 UTC | May 14, 00:40 UTC | 2h 55m |
| 2026-05-13 | ANZ281 | SIN → AKL | May 13, 07:35 UTC | May 13, 10:35 UTC | 3h 0m |
| 2026-05-12 | ANZ281 | SIN → AKL | May 12, 15:05 UTC | May 13, 10:35 UTC | 19h 30m |
| 2026-05-12 | ANZ281 | SIN → AKL | May 12, 13:10 UTC | May 13, 10:35 UTC | 21h 25m |
| 2026-05-11 | ANZ281 | SIN → AKL | May 11, 16:35 UTC | May 12, 11:10 UTC | 18h 36m |
| 2026-05-11 | ANZ281 | SIN → AKL | May 11, 16:15 UTC | May 12, 11:10 UTC | 18h 56m |
| 2026-05-11 | ANZ281 | SIN → AKL | May 11, 14:05 UTC | May 12, 11:10 UTC | 21h 6m |
| 2026-05-11 | ANZ281 | SIN → AKL | May 11, 03:25 UTC | May 11, 12:05 UTC | 8h 40m |
| 2026-05-10 | ANZ282 | AKL → SIN | May 10, 14:34 UTC | May 11, 12:05 UTC | 21h 30m |
| 2026-05-10 | ANZ282 | AKL → SIN | May 10, 12:34 UTC | May 11, 12:05 UTC | 23h 30m |
| 2026-05-10 | ANZ282 | AKL → SIN | May 10, 12:10 UTC | May 11, 10:00 UTC | 21h 50m |
| 2026-05-09 | ANZ281 | SIN → AKL | May 9, 14:35 UTC | May 10, 09:45 UTC | 19h 10m |
| 2026-05-09 | ANZ281 | SIN → AKL | May 9, 12:35 UTC | May 10, 09:45 UTC | 21h 10m |
| 2026-05-09 | ANZ281 | SIN → AKL | May 9, 12:15 UTC | May 10, 09:45 UTC | 21h 30m |
| 2026-05-08 | ANZ282 | AKL → SIN | May 8, 14:50 UTC | May 9, 09:50 UTC | 19h 0m |
| 2026-05-08 | ANZ282 | AKL → SIN | May 8, 12:10 UTC | May 9, 09:50 UTC | 21h 40m |
| 2026-05-07 | ANZ282 | AKL → SIN | May 7, 14:55 UTC | May 8, 09:30 UTC | 18h 35m |
| 2026-05-07 | ANZ282 | AKL → SIN | May 7, 12:05 UTC | May 8, 09:30 UTC | 21h 25m |
| 2026-05-06 | ANZ953 | NAN → AKL | May 6, 23:25 UTC | May 7, 06:05 UTC | 6h 40m |
| 2026-05-06 | ANZ90 | NRT → AKL | May 6, 11:25 UTC | May 6, 21:25 UTC | 9h 59m |
| 2026-05-05 | ANZ99 | AKL → NRT | May 5, 22:50 UTC | May 6, 09:10 UTC | 10h 20m |
| 2026-05-04 | ANZ3 | LAX → AKL | May 4, 04:55 UTC | May 4, 17:30 UTC | 12h 35m |
| 2026-05-03 | ANZ4 | AKL → LAX | May 3, 07:40 UTC | May 3, 18:25 UTC | 10h 45m |
| 2026-05-03 | ANZ104 | SYD → AKL | May 3, 02:10 UTC | May 3, 04:45 UTC | 2h 34m |
| 2026-05-02 | ANZ103 | AKL → SYD | May 2, 21:30 UTC | May 3, 00:20 UTC | 2h 50m |
| 2026-05-01 | ANZ290 | AKL → DPS | May 1, 23:35 UTC | May 2, 17:20 UTC | 17h 46m |
| 2026-05-01 | ANZ90 | NRT → AKL | May 1, 11:35 UTC | May 1, 21:30 UTC | 9h 55m |
| 2026-04-30 | ANZ99 | AKL → NRT | Apr 30, 22:35 UTC | May 1, 08:55 UTC | 10h 20m |
| 2026-04-30 | ANZ5 | LAX → AKL | Apr 30, 17:25 UTC | Apr 30, 18:00 UTC | 35m |
| 2026-04-30 | ANZ5 | LAX → AKL | Apr 30, 05:30 UTC | Apr 30, 05:50 UTC | 20m |
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 ZK-OKQ page for operator, model, and routing details .