sensors Mode-S transponder
7C4795
ICAO 24-bit transponder address · allocated to Australia
Currently assigned to VH-OFB · BOMBARDIER CL-600 Challenger · operated by LIFEFLIGHT COMMERCIAL LIMITED
- Hex
- 7C4795
- Octal
- 37043625
- Decimal
- 8,144,789
- Country
- AU
- Tail
- VH-OFB
- Type
- CL60
- Flights observed
- 44
- Distinct callsigns
- 2
- Country
- AU
- Last broadcast
- 1d ago
Last known position
Country allocation
The ICAO 24-bit address 7C4795 falls within the block assigned to Australia (AU) by ICAO Annex 10, Volume III. Every aircraft registered in Australia 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 2 distinct
Recent flights last 44
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-05 | VHOFB | - | Jun 5, 21:10 UTC | Jun 6, 08:30 UTC | 11h 20m |
| 2026-06-04 | VHOFB | - | Jun 4, 10:40 UTC | Jun 4, 10:55 UTC | 15m |
| 2026-06-02 | VHOFB | - | Jun 2, 22:30 UTC | Jun 3, 00:05 UTC | 1h 35m |
| 2026-05-30 | AM624 | BNE → BNE | May 30, 04:45 UTC | May 30, 11:25 UTC | 6h 40m |
| 2026-05-29 | AM624 | - | May 29, 06:35 UTC | May 29, 11:35 UTC | 5h 0m |
| 2026-05-28 | VHOFB | BNE → SYD | May 28, 07:35 UTC | May 28, 15:25 UTC | 7h 50m |
| 2026-05-26 | AM624 | - | May 26, 10:14 UTC | May 26, 11:20 UTC | 1h 5m |
| 2026-05-26 | AM624 | - | May 26, 08:45 UTC | May 26, 08:59 UTC | 15m |
| 2026-05-26 | AM624 | - | May 26, 03:45 UTC | May 26, 05:25 UTC | 1h 40m |
| 2026-05-22 | AM624 | - | May 22, 00:25 UTC | May 22, 01:00 UTC | 35m |
| 2026-05-21 | AM624 | - | May 21, 03:20 UTC | May 22, 01:00 UTC | 21h 40m |
| 2026-05-21 | AM624 | BNE → BNE | May 21, 03:10 UTC | May 22, 01:00 UTC | 21h 50m |
| 2026-05-20 | AM624 | - | May 20, 23:40 UTC | May 21, 00:20 UTC | 40m |
| 2026-05-20 | AM624 | BNE → BNE | May 20, 04:15 UTC | May 21, 00:20 UTC | 20h 6m |
| 2026-05-20 | AM624 | - | May 20, 02:30 UTC | May 20, 03:05 UTC | 35m |
| 2026-05-15 | AM624 | - | May 15, 03:35 UTC | May 15, 04:00 UTC | 25m |
| 2026-05-15 | AM624 | - | May 15, 01:50 UTC | May 15, 02:20 UTC | 30m |
| 2026-05-12 | AM624 | - | May 12, 04:30 UTC | May 12, 05:00 UTC | 30m |
| 2026-05-11 | AM624 | - | May 11, 11:40 UTC | May 11, 12:15 UTC | 35m |
| 2026-05-09 | AM624 | - | May 9, 01:40 UTC | May 9, 02:10 UTC | 30m |
| 2026-05-08 | AM624 | BNE → BNE | May 8, 02:49 UTC | May 8, 10:49 UTC | 8h 0m |
| 2026-05-08 | AM624 | - | May 8, 01:04 UTC | May 8, 01:45 UTC | 40m |
| 2026-05-06 | AM624 | - | May 6, 06:20 UTC | May 6, 06:50 UTC | 30m |
| 2026-05-05 | VHOFB | - | May 5, 13:15 UTC | May 5, 14:30 UTC | 1h 15m |
| 2026-05-04 | VHOFB | - | May 4, 02:30 UTC | May 4, 02:39 UTC | 10m |
| 2026-05-03 | AM624 | - | May 3, 03:35 UTC | May 4, 02:39 UTC | 23h 5m |
| 2026-05-03 | AM624 | - | May 3, 01:55 UTC | May 3, 02:35 UTC | 40m |
| 2026-05-02 | AM624 | - | May 2, 03:20 UTC | May 3, 02:35 UTC | 23h 15m |
| 2026-05-02 | AM624 | - | May 2, 02:55 UTC | May 2, 03:25 UTC | 30m |
| 2026-05-01 | VHOFB | - | May 1, 09:40 UTC | May 1, 10:25 UTC | 45m |
| 2026-04-30 | AM624 | - | Apr 30, 02:15 UTC | Apr 30, 02:50 UTC | 35m |
| 2026-04-29 | VHOFB | - | Apr 29, 09:10 UTC | Apr 29, 09:50 UTC | 40m |
| 2026-04-28 | AM624 | - | Apr 28, 09:50 UTC | Apr 29, 09:15 UTC | 23h 25m |
| 2026-04-28 | AM624 | - | Apr 28, 08:00 UTC | Apr 28, 08:40 UTC | 40m |
| 2026-04-27 | AM624 | - | Apr 27, 08:30 UTC | Apr 27, 08:55 UTC | 25m |
| 2026-04-27 | AM624 | ADL → BNE | Apr 27, 01:20 UTC | Apr 27, 07:15 UTC | 5h 55m |
| 2026-04-26 | AM624 | - | Apr 26, 05:20 UTC | Apr 26, 05:50 UTC | 30m |
| 2026-04-25 | AM624 | - | Apr 25, 01:30 UTC | Apr 25, 02:20 UTC | 50m |
| 2026-04-24 | VHOFB | - | Apr 24, 07:35 UTC | Apr 24, 08:50 UTC | 1h 15m |
| 2026-04-23 | AM624 | - | Apr 23, 09:05 UTC | Apr 23, 09:40 UTC | 35m |
| 2026-04-23 | AM624 | - | Apr 23, 07:30 UTC | Apr 23, 08:05 UTC | 35m |
| 2026-04-22 | AM624 | - | Apr 22, 01:25 UTC | Apr 22, 02:00 UTC | 35m |
| 2026-04-13 | VHOFB | - | Apr 13, 06:40 UTC | Apr 13, 07:20 UTC | 40m |
| 2026-04-13 | VHOFB | - | Apr 13, 00:30 UTC | Apr 13, 01:05 UTC | 35m |
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 VH-OFB page for operator, model, and routing details .