sensors Mode-S transponder
70C0C9
ICAO 24-bit transponder address · allocated to Oman
Currently assigned to A4O-BY · BOEING 737-900
- Hex
- 70C0C9
- Octal
- 34140311
- Decimal
- 7,389,385
- Country
- OM
- Tail
- A4O-BY
- Type
- B739
- Flights observed
- 157
- Distinct callsigns
- 20
- Country
- OM
- Last broadcast
- Jul 25, 18:10 UTC
Last known position
Country allocation
The ICAO 24-bit address 70C0C9 falls within the block assigned to Oman (OM) by ICAO Annex 10, Volume III. Every aircraft registered in Oman 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 |
|---|---|---|---|
| OMA203 | Oman Air | 31 | 2026-07-24 |
| OMA676 | Oman Air | 18 | 2026-07-25 |
| OMA674 | - | 13 | 2026-07-16 |
| OMA201 | - | 11 | 2026-07-06 |
| OMA204 | Oman Air | 9 | 2026-07-24 |
| OMA672 | - | 8 | 2026-07-09 |
| OMA202 | - | 6 | 2026-07-06 |
| OMA406 | - | 5 | 2026-07-08 |
| OMA405 | - | 5 | 2026-07-22 |
| OMA212 | Oman Air | 5 | 2026-05-23 |
| OMA211 | Oman Air | 5 | 2026-05-22 |
| OMA231 | Oman Air | 4 | 2026-05-26 |
| OMA690 | - | 3 | 2026-07-14 |
| OMA686 | Oman Air | 3 | 2026-07-20 |
| OMA408 | - | 3 | 2026-07-11 |
| OMA684 | Oman Air | 2 | 2026-04-22 |
| OMA647 | - | 2 | 2026-07-15 |
| OMA407 | - | 2 | 2026-07-11 |
| OMA167 | - | 2 | 2026-07-10 |
| OMA696 | Oman Air | 1 | 2026-07-19 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-25 | OMA676 | JED → MCT | Jul 25, 12:00 UTC | Jul 25, 18:10 UTC | 6h 10m |
| 2026-07-24 | OMA204 | BOM → MCT | Jul 24, 09:35 UTC | Jul 24, 10:05 UTC | 30m |
| 2026-07-24 | OMA203 | MCT → BOM | Jul 24, 07:15 UTC | Jul 24, 08:05 UTC | 50m |
| 2026-07-23 | OMA648 | KWI → MCT | Jul 23, 16:20 UTC | Jul 23, 19:35 UTC | 3h 15m |
| 2026-07-23 | OMA636 | - | Jul 23, 12:55 UTC | Jul 23, 13:15 UTC | 20m |
| 2026-07-23 | OMA635 | MCT → AUH | Jul 23, 11:15 UTC | Jul 23, 11:25 UTC | 10m |
| 2026-07-22 | OMA405 | - | Jul 22, 00:45 UTC | Jul 22, 12:25 UTC | 11h 40m |
| 2026-07-21 | OMA405 | - | Jul 21, 16:35 UTC | Jul 22, 12:25 UTC | 19h 50m |
| 2026-07-21 | OMA676 | - | Jul 21, 11:30 UTC | Jul 22, 01:05 UTC | 13h 35m |
| 2026-07-20 | OMA676 | - | Jul 20, 16:45 UTC | Jul 21, 11:40 UTC | 18h 55m |
| 2026-07-20 | OMA686 | RUH → MCT | Jul 20, 01:10 UTC | Jul 20, 02:30 UTC | 1h 20m |
| 2026-07-19 | OMA685 | - | Jul 19, 22:05 UTC | Jul 19, 23:35 UTC | 1h 30m |
| 2026-07-19 | OMA696 | DMM → MCT | Jul 19, 19:25 UTC | Jul 19, 20:30 UTC | 1h 5m |
| 2026-07-19 | OMA695 | - | Jul 19, 16:45 UTC | Jul 19, 17:25 UTC | 40m |
| 2026-07-18 | OMA676 | - | Jul 18, 12:00 UTC | Jul 18, 17:40 UTC | 5h 40m |
| 2026-07-17 | OMA676 | - | Jul 17, 20:20 UTC | Jul 18, 17:40 UTC | 21h 21m |
| 2026-07-17 | OMA204 | - | Jul 17, 09:30 UTC | Jul 17, 20:25 UTC | 10h 55m |
| 2026-07-17 | OMA203 | - | Jul 17, 07:14 UTC | Jul 17, 08:04 UTC | 50m |
| 2026-07-16 | OMA674 | - | Jul 16, 11:40 UTC | Jul 17, 02:25 UTC | 14h 45m |
| 2026-07-15 | OMA647 | - | Jul 15, 15:30 UTC | Jul 15, 19:50 UTC | 4h 20m |
| 2026-07-15 | OMA686 | - | Jul 15, 01:25 UTC | Jul 15, 02:40 UTC | 1h 15m |
| 2026-07-14 | OMA690 | - | Jul 14, 12:35 UTC | Jul 14, 13:35 UTC | 1h 0m |
| 2026-07-13 | OMA673 | - | Jul 13, 18:35 UTC | Jul 13, 18:55 UTC | 20m |
| 2026-07-13 | OMA204 | - | Jul 13, 10:00 UTC | Jul 13, 10:25 UTC | 25m |
| 2026-07-13 | OMA203 | - | Jul 13, 07:05 UTC | Jul 13, 08:05 UTC | 1h 0m |
| 2026-07-12 | OMA674 | - | Jul 12, 23:35 UTC | Jul 13, 00:30 UTC | 55m |
| 2026-07-12 | OMA204 | - | Jul 12, 09:40 UTC | Jul 12, 10:01 UTC | 20m |
| 2026-07-12 | OMA203 | - | Jul 12, 07:20 UTC | Jul 12, 08:10 UTC | 50m |
| 2026-07-11 | OMA408 | - | Jul 11, 23:15 UTC | Jul 12, 02:40 UTC | 3h 25m |
| 2026-07-11 | OMA407 | - | Jul 11, 09:20 UTC | Jul 11, 22:01 UTC | 12h 40m |
| 2026-07-11 | OMA408 | - | Jul 11, 00:15 UTC | Jul 11, 03:40 UTC | 3h 25m |
| 2026-07-10 | OMA168 | - | Jul 10, 12:20 UTC | Jul 10, 22:15 UTC | 9h 55m |
| 2026-07-10 | OMA167 | - | Jul 10, 10:40 UTC | Jul 10, 10:55 UTC | 15m |
| 2026-07-10 | OMA167 | - | Jul 10, 07:25 UTC | Jul 10, 08:30 UTC | 1h 5m |
| 2026-07-09 | OMA672 | - | Jul 9, 11:10 UTC | Jul 10, 05:45 UTC | 18h 35m |
| 2026-07-09 | OMA672 | - | Jul 9, 08:20 UTC | Jul 10, 05:45 UTC | 21h 25m |
| 2026-07-09 | OMA672 | - | Jul 9, 07:35 UTC | Jul 10, 05:45 UTC | 22h 10m |
| 2026-07-08 | OMA686 | - | Jul 8, 22:10 UTC | Jul 9, 02:25 UTC | 4h 15m |
| 2026-07-08 | OMA406 | - | Jul 8, 16:10 UTC | Jul 8, 19:25 UTC | 3h 15m |
| 2026-07-07 | OMA405 | - | Jul 7, 23:05 UTC | Jul 8, 14:20 UTC | 15h 15m |
| 2026-07-07 | OMA612 | - | Jul 7, 18:45 UTC | Jul 7, 19:05 UTC | 20m |
| 2026-07-07 | OMA690 | - | Jul 7, 07:50 UTC | Jul 7, 13:50 UTC | 6h 0m |
| 2026-07-06 | OMA690 | - | Jul 6, 16:30 UTC | Jul 7, 13:50 UTC | 21h 20m |
| 2026-07-06 | OMA202 | - | Jul 6, 06:25 UTC | Jul 6, 17:10 UTC | 10h 45m |
| 2026-07-06 | OMA201 | - | Jul 6, 02:55 UTC | Jul 6, 04:10 UTC | 1h 15m |
| 2026-07-05 | OMA647 | - | Jul 5, 06:45 UTC | Jul 5, 19:55 UTC | 13h 10m |
| 2026-07-05 | OMA201 | - | Jul 5, 02:45 UTC | Jul 5, 03:55 UTC | 1h 10m |
| 2026-07-04 | OMA676 | - | Jul 4, 11:30 UTC | Jul 4, 17:35 UTC | 6h 5m |
| 2026-07-03 | OMA408 | - | Jul 3, 23:50 UTC | Jul 4, 03:15 UTC | 3h 25m |
| 2026-07-03 | OMA407 | - | Jul 3, 19:00 UTC | Jul 3, 22:20 UTC | 3h 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 A4O-BY page for operator, model, and routing details .