sensors Mode-S transponder

A7E270

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N607ND · PIPER PA-28-140/150/160/180 · operated by UND AEROSPACE FOUNDATION

Hex
A7E270
Octal
51761160
Decimal
11,002,480
Country
US
Tail
N607ND
Type
P28A
No current signal · last broadcast 1d ago
Flights observed
34
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A7E270.

Country allocation

The ICAO 24-bit address A7E270 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
NDU607 - 34 2026-04-17

Recent flights last 34

DateFlightRouteTakeoffLandingDuration
2026-04-17 NDU607 - Apr 17, 13:20 UTCApr 17, 14:40 UTC1h 20m
2026-04-17 NDU607 - Apr 17, 13:05 UTCApr 17, 13:15 UTC10m
2026-04-17 NDU607 - Apr 17, 03:20 UTCApr 17, 04:15 UTC55m
2026-04-17 NDU607 - Apr 17, 02:50 UTCApr 17, 03:15 UTC25m
2026-04-17 NDU607 - Apr 17, 01:20 UTCApr 17, 01:45 UTC25m
2026-04-17 NDU607 - Apr 17, 00:15 UTCApr 17, 01:15 UTC1h 0m
2026-04-16 NDU607 - Apr 16, 21:55 UTCApr 16, 23:05 UTC1h 10m
2026-04-16 NDU607 - Apr 16, 19:15 UTCApr 16, 20:15 UTC1h 0m
2026-04-16 NDU607 - Apr 16, 19:00 UTCApr 16, 19:10 UTC10m
2026-04-16 NDU607 CGZ → AZA Apr 16, 17:15 UTCApr 16, 17:54 UTC40m
2026-04-16 NDU607 - Apr 16, 16:15 UTCApr 16, 17:10 UTC55m
2026-04-16 NDU607 AZA → AZA Apr 16, 15:15 UTCApr 16, 15:25 UTC10m
2026-04-16 NDU607 - Apr 16, 14:50 UTCApr 16, 15:10 UTC20m
2026-04-16 NDU607 - Apr 16, 03:30 UTCApr 16, 05:00 UTC1h 30m
2026-04-16 NDU607 - Apr 16, 01:10 UTCApr 16, 02:00 UTC50m
2026-04-16 NDU607 - Apr 16, 00:40 UTCApr 16, 01:05 UTC25m
2026-04-15 NDU607 - Apr 15, 23:10 UTCApr 15, 23:45 UTC35m
2026-04-15 NDU607 - Apr 15, 22:45 UTCApr 15, 23:00 UTC15m
2026-04-15 NDU607 - Apr 15, 19:30 UTCApr 15, 21:00 UTC1h 30m
2026-04-15 NDU607 - Apr 15, 17:05 UTCApr 15, 17:50 UTC45m
2026-04-15 NDU607 - Apr 15, 13:50 UTCApr 15, 14:50 UTC59m
2026-04-15 NDU607 - Apr 15, 03:00 UTCApr 15, 04:20 UTC1h 20m
2026-04-15 NDU607 - Apr 15, 00:55 UTCApr 15, 01:55 UTC1h 0m
2026-04-15 NDU607 - Apr 15, 00:25 UTCApr 15, 00:50 UTC25m
2026-04-14 NDU607 AZA → AZA Apr 14, 22:55 UTCApr 14, 23:05 UTC10m
2026-04-14 NDU607 - Apr 14, 21:45 UTCApr 14, 22:50 UTC1h 5m
2026-04-14 NDU607 AZA → AZA Apr 14, 19:15 UTCApr 14, 20:00 UTC45m
2026-04-14 NDU607 - Apr 14, 17:05 UTCApr 14, 17:25 UTC20m
2026-04-14 NDU607 - Apr 14, 16:00 UTCApr 14, 16:45 UTC45m
2026-04-14 NDU607 - Apr 14, 14:50 UTCApr 14, 15:05 UTC15m
2026-04-14 NDU607 - Apr 14, 13:50 UTCApr 14, 14:45 UTC55m
2026-04-13 NDU607 - Apr 13, 18:20 UTCApr 13, 19:50 UTC1h 30m
2026-04-13 NDU607 - Apr 13, 15:50 UTCApr 13, 16:15 UTC25m
2026-04-13 NDU607 - Apr 13, 14:25 UTCApr 13, 16:15 UTC1h 50m

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 N607ND page for operator, model, and routing details .

Mode-S A7E270 frequently asked

What is Mode-S code A7E270?
A7E270 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N607ND.
Where is Mode-S A7E270 registered?
Mode-S code A7E270 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is A7E270 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7E270, octal 51761160, decimal 11,002,480.
What flights does A7E270 operate?
Mode-S A7E270 has broadcast 1 distinct callsign, including NDU607.