Apparatus

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sensors Mode-S transponder

A945E7

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N697ND · PIPER PA-44 Seminole · operated by SOUTH DAKOTA STATE UNIVERSITY

Hex
A945E7
Octal
52242747
Decimal
11,093,479
Country
US
Tail
N697ND
Type
PA44
No current signal · last broadcast 7h ago
Flights observed
104
Distinct callsigns
1
Country
US
Last broadcast
7h ago

Last known position

Most recent position reported by Mode-S A945E7.

Country allocation

The ICAO 24-bit address A945E7 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
N697ND - 104 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 N697ND BKX → BKX May 29, 21:45 UTCMay 29, 22:15 UTC30m
2026-05-29 N697ND BKX → BKX May 29, 21:05 UTCMay 29, 21:25 UTC20m
2026-05-29 N697ND BKX → BKX May 29, 18:45 UTCMay 29, 19:40 UTC55m
2026-05-29 N697ND BKX → BKX May 29, 17:40 UTCMay 29, 17:45 UTC5m
2026-05-29 N697ND BKX → BKX May 29, 16:45 UTCMay 29, 17:35 UTC50m
2026-05-29 N697ND - May 29, 15:05 UTCMay 29, 15:50 UTC45m
2026-05-29 N697ND BKX → BKX May 29, 14:50 UTCMay 29, 15:00 UTC10m
2026-05-28 N697ND - May 28, 22:50 UTCMay 28, 23:25 UTC35m
2026-05-28 N697ND BKX → BKX May 28, 22:40 UTCMay 28, 22:45 UTC5m
2026-05-28 N697ND BKX → BKX May 28, 20:20 UTCMay 28, 21:10 UTC50m
2026-05-28 N697ND - May 28, 18:30 UTCMay 28, 19:20 UTC50m
2026-05-28 N697ND BKX → BKX May 28, 18:15 UTCMay 28, 18:20 UTC5m
2026-05-28 N697ND - May 28, 13:55 UTCMay 28, 14:20 UTC25m
2026-05-28 N697ND BKX → BKX May 28, 13:40 UTCMay 28, 13:50 UTC10m
2026-05-27 N697ND - May 27, 21:20 UTCMay 27, 21:45 UTC25m
2026-05-27 N697ND BKX → BKX May 27, 20:45 UTCMay 27, 21:15 UTC30m
2026-05-26 N697ND BKX → BKX May 26, 18:45 UTCMay 26, 18:50 UTC5m
2026-05-26 N697ND BKX → BKX May 26, 17:50 UTCMay 26, 18:34 UTC45m
2026-05-26 N697ND - May 26, 01:49 UTCMay 26, 01:55 UTC5m
2026-05-26 N697ND - May 26, 01:14 UTCMay 26, 01:40 UTC25m
2026-05-26 N697ND BKX → BKX May 26, 00:39 UTCMay 26, 00:44 UTC5m
2026-05-25 N697ND BKX → BKX May 25, 16:20 UTCMay 25, 17:00 UTC40m
2026-05-25 N697ND - May 25, 14:00 UTCMay 25, 14:05 UTC5m
2026-05-25 N697ND BKX → BKX May 25, 13:05 UTCMay 25, 13:50 UTC45m
2026-05-24 N697ND - May 24, 14:15 UTCMay 24, 14:35 UTC20m
2026-05-24 N697ND BKX → BKX May 24, 13:35 UTCMay 24, 14:00 UTC25m
2026-05-23 N697ND BKX → BKX May 23, 18:35 UTCMay 23, 18:40 UTC5m
2026-05-23 N697ND - May 23, 17:10 UTCMay 23, 17:15 UTC5m
2026-05-21 N697ND BKX → BKX May 21, 17:30 UTCMay 21, 18:25 UTC55m
2026-05-21 N697ND BKX → BKX May 21, 16:05 UTCMay 21, 16:10 UTC5m
2026-05-21 N697ND BKX → BKX May 21, 15:15 UTCMay 21, 15:55 UTC40m
2026-05-20 N697ND BKX → BKX May 20, 19:20 UTCMay 20, 20:15 UTC55m
2026-05-20 N697ND BKX → BKX May 20, 17:30 UTCMay 20, 18:30 UTC1h 0m
2026-05-19 N697ND - May 19, 20:10 UTCMay 19, 20:30 UTC20m
2026-05-19 N697ND BKX → BKX May 19, 19:40 UTCMay 19, 19:45 UTC5m
2026-05-15 N697ND - May 15, 18:55 UTCMay 15, 19:40 UTC45m
2026-05-15 N697ND BKX → BKX May 15, 18:35 UTCMay 15, 18:40 UTC5m
2026-05-13 N697ND - May 13, 19:10 UTCMay 13, 19:50 UTC40m
2026-05-13 N697ND - May 13, 18:20 UTCMay 13, 18:25 UTC5m
2026-05-13 N697ND BKX → BKX May 13, 18:05 UTCMay 13, 18:10 UTC5m
2026-05-13 N697ND BKX → BKX May 13, 17:00 UTCMay 13, 18:00 UTC1h 0m
2026-05-13 N697ND - May 13, 15:10 UTCMay 13, 15:55 UTC45m
2026-05-13 N697ND BKX → BKX May 13, 14:51 UTCMay 13, 15:00 UTC10m
2026-05-08 N697ND BKX → BKX May 8, 16:35 UTCMay 8, 16:40 UTC5m
2026-05-08 N697ND - May 8, 15:55 UTCMay 8, 16:30 UTC35m
2026-05-07 N697ND - May 7, 15:10 UTCMay 7, 15:20 UTC10m
2026-05-07 N697ND - May 7, 14:15 UTCMay 7, 15:00 UTC45m
2026-05-07 N697ND BKX → BKX May 7, 14:05 UTCMay 7, 14:10 UTC5m
2026-05-06 N697ND - May 6, 23:50 UTCMay 6, 23:55 UTC5m
2026-05-06 N697ND BKX → BKX May 6, 22:35 UTCMay 6, 23:40 UTC1h 5m

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 N697ND page for operator, model, and routing details .

Mode-S A945E7 frequently asked

What is Mode-S code A945E7?
A945E7 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N697ND.
Where is Mode-S A945E7 registered?
Mode-S code A945E7 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 A945E7 broadcasting right now?
No active broadcast right now. Last signal was 7h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A945E7, octal 52242747, decimal 11,093,479.
What flights does A945E7 operate?
Mode-S A945E7 has broadcast 1 distinct callsign, including N697ND.