sensors Mode-S transponder
A68636
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N5197L · PIPER PA-28-140/150/160/180 · operated by SEUFERER KEVIN J, BIGGER SALVATORE A
- Hex
- A68636
- Octal
- 51503066
- Decimal
- 10,913,334
- Country
- US
- Tail
- N5197L
- Type
- P28A
- Flights observed
- 42
- Distinct callsigns
- 1
- Country
- US
- Last broadcast
- Jul 26, 14:55 UTC
Last known position
Country allocation
The ICAO 24-bit address A68636 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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 1 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| N5197L | - | 41 | 2026-07-26 |
Recent flights last 42
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-26 | N5197L | - | Jul 26, 14:10 UTC | Jul 26, 14:55 UTC | 45m |
| 2026-07-23 | N5197L | - | Jul 23, 12:30 UTC | Jul 23, 13:40 UTC | 1h 10m |
| 2026-07-20 | N5197L | - | Jul 20, 14:00 UTC | Jul 20, 14:25 UTC | 25m |
| 2026-07-19 | N5197L | - | Jul 19, 13:10 UTC | Jul 19, 14:00 UTC | 50m |
| 2026-07-17 | N5197L | - | Jul 17, 13:25 UTC | Jul 17, 14:30 UTC | 1h 5m |
| 2026-07-15 | N5197L | - | Jul 15, 14:50 UTC | Jul 15, 15:30 UTC | 40m |
| 2026-07-15 | N5197L | - | Jul 15, 13:10 UTC | Jul 15, 13:50 UTC | 40m |
| 2026-07-12 | N5197L | - | Jul 12, 23:35 UTC | Jul 13, 00:10 UTC | 35m |
| 2026-07-12 | N5197L | - | Jul 12, 11:55 UTC | Jul 12, 12:50 UTC | 55m |
| 2026-07-11 | N5197L | - | Jul 11, 17:00 UTC | Jul 11, 18:05 UTC | 1h 5m |
| 2026-07-06 | N5197L | - | Jul 6, 20:55 UTC | Jul 6, 21:55 UTC | 1h 0m |
| 2026-07-06 | N5197L | - | Jul 6, 13:40 UTC | Jul 6, 14:55 UTC | 1h 15m |
| 2026-07-04 | N5197L | - | Jul 4, 14:05 UTC | Jul 4, 14:45 UTC | 40m |
| 2026-07-02 | N5197L | - | Jul 2, 12:50 UTC | Jul 2, 14:10 UTC | 1h 20m |
| 2026-06-30 | N5197L | - | Jun 30, 11:30 UTC | Jun 30, 12:30 UTC | 1h 0m |
| 2026-06-29 | N5197L | - | Jun 29, 12:39 UTC | Jun 29, 12:49 UTC | 10m |
| 2026-06-23 | N5197L | - | Jun 23, 13:09 UTC | Jun 23, 14:35 UTC | 1h 25m |
| 2026-06-20 | N5197L | - | Jun 20, 12:34 UTC | Jun 20, 13:19 UTC | 45m |
| 2026-06-14 | N5197L | - | Jun 14, 20:05 UTC | Jun 14, 21:15 UTC | 1h 10m |
| 2026-06-14 | N5197L | - | Jun 14, 12:10 UTC | Jun 14, 13:25 UTC | 1h 15m |
| 2026-06-13 | N5197L | - | Jun 13, 12:20 UTC | Jun 13, 13:15 UTC | 55m |
| 2026-06-12 | N5197L | - | Jun 12, 11:15 UTC | Jun 12, 12:25 UTC | 1h 10m |
| 2026-06-04 | N5197L | - | Jun 4, 13:30 UTC | Jun 4, 13:55 UTC | 25m |
| 2026-05-25 | N5197L | - | May 25, 20:50 UTC | May 25, 22:00 UTC | 1h 10m |
| 2026-05-25 | N5197L | - | May 25, 14:10 UTC | May 25, 15:15 UTC | 1h 5m |
| 2026-05-16 | N5197L | - | May 16, 14:31 UTC | May 16, 14:41 UTC | 10m |
| 2026-04-29 | - | - | Apr 29, 13:45 UTC | Apr 29, 14:00 UTC | 15m |
| 2026-04-29 | N5197L | - | Apr 29, 12:50 UTC | Apr 29, 13:00 UTC | 10m |
| 2026-04-24 | N5197L | - | Apr 24, 19:15 UTC | Apr 24, 20:55 UTC | 1h 40m |
| 2026-04-24 | N5197L | - | Apr 24, 12:50 UTC | Apr 24, 13:30 UTC | 40m |
| 2026-04-21 | N5197L | - | Apr 21, 01:25 UTC | Apr 21, 02:20 UTC | 55m |
| 2026-04-21 | N5197L | - | Apr 21, 00:25 UTC | Apr 21, 00:45 UTC | 20m |
| 2026-04-20 | N5197L | - | Apr 20, 23:05 UTC | Apr 20, 23:40 UTC | 35m |
| 2026-04-20 | N5197L | - | Apr 20, 13:05 UTC | Apr 20, 13:45 UTC | 40m |
| 2026-04-19 | N5197L | - | Apr 19, 15:35 UTC | Apr 19, 15:55 UTC | 20m |
| 2026-04-19 | N5197L | - | Apr 19, 14:00 UTC | Apr 19, 14:10 UTC | 10m |
| 2026-04-19 | N5197L | - | Apr 19, 12:55 UTC | Apr 19, 13:30 UTC | 35m |
| 2026-04-18 | N5197L | - | Apr 18, 13:00 UTC | Apr 18, 15:20 UTC | 2h 20m |
| 2026-04-16 | N5197L | - | Apr 16, 23:35 UTC | Apr 17, 00:25 UTC | 50m |
| 2026-04-16 | N5197L | - | Apr 16, 22:30 UTC | Apr 16, 22:40 UTC | 10m |
| 2026-04-16 | N5197L | - | Apr 16, 13:15 UTC | Apr 16, 14:30 UTC | 1h 15m |
| 2026-04-14 | N5197L | - | Apr 14, 13:35 UTC | Apr 14, 14:20 UTC | 45m |
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 N5197L page for operator, model, and routing details .