Apparatus

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sensors Mode-S transponder

A285DA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N26156 · CESSNA 402 Businessliner · operated by HYANNIS AIR SERVICE INC

Hex
A285DA
Octal
50502732
Decimal
10,651,098
Country
US
Tail
N26156
Type
C402
No current signal · last broadcast Jul 26, 18:00 UTC
Flights observed
260
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 18:00 UTC

Last known position

Most recent position reported by Mode-S A285DA.

Country allocation

The ICAO 24-bit address A285DA 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 20 distinct

Callsign Airline Flights Last seen
KAP11 Cape Air 42 2026-05-16
KAP2 - 34 2026-07-13
KAP47 Cape Air 26 2026-07-24
KAP30 Cape Air 25 2026-06-04
KAP323 Cape Air 20 2026-05-12
KAP65 - 18 2026-07-06
KAP110 Cape Air 11 2026-06-21
KAP202 Cape Air 10 2026-07-25
KAP211 - 9 2026-07-18
KAP2296 Cape Air 8 2026-06-14
KAP1903 - 7 2026-07-15
KAP80 - 5 2026-07-23
KAP157 Cape Air 5 2026-07-23
KAP564 Cape Air 4 2026-06-06
KAP262 - 4 2026-04-18
KAP635 Cape Air 3 2026-05-29
KAP505 - 3 2026-07-09
KAP252 Cape Air 3 2026-04-26
KAP222 - 3 2026-06-29
KAP64 - 2 2026-07-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 KAP230 SJU → EIS Jul 26, 17:35 UTCJul 26, 18:00 UTC25m
2026-07-25 KAP230 SJU → EIS Jul 25, 22:15 UTCJul 25, 22:30 UTC15m
2026-07-25 KAP202 VQS → SJU Jul 25, 17:05 UTCJul 25, 17:20 UTC15m
2026-07-25 KAP202 VQS → SJU Jul 25, 16:00 UTCJul 25, 16:15 UTC15m
2026-07-25 KAP202 VQS → SJU Jul 25, 14:10 UTCJul 25, 14:25 UTC15m
2026-07-25 KAP202 VQS → SJU Jul 25, 12:55 UTCJul 25, 13:05 UTC10m
2026-07-25 KAP202 VQS → SJU Jul 25, 11:55 UTCJul 25, 12:05 UTC10m
2026-07-25 KAP202 VQS → SJU Jul 25, 10:45 UTCJul 25, 10:55 UTC10m
2026-07-24 KAP47 STT → SJU Jul 24, 21:25 UTCJul 24, 21:40 UTC15m
2026-07-24 KAP47 STT → SJU Jul 24, 18:30 UTCJul 24, 18:45 UTC15m
2026-07-24 KAP47 STT → SJU Jul 24, 17:20 UTCJul 24, 17:35 UTC15m
2026-07-24 KAP47 STT → SJU Jul 24, 11:45 UTCJul 24, 12:05 UTC20m
2026-07-23 KAP80 - Jul 23, 20:10 UTCJul 23, 20:25 UTC15m
2026-07-23 KAP80 - Jul 23, 15:50 UTCJul 23, 16:05 UTC15m
2026-07-23 KAP80 - Jul 23, 13:55 UTCJul 23, 14:10 UTC15m
2026-07-23 KAP80 - Jul 23, 13:10 UTCJul 23, 13:25 UTC15m
2026-07-23 KAP157 SJU → VQS Jul 23, 00:30 UTCJul 23, 00:40 UTC10m
2026-07-22 KAP157 SJU → VQS Jul 22, 22:40 UTCJul 22, 22:50 UTC10m
2026-07-22 KAP157 SJU → VQS Jul 22, 19:35 UTCJul 22, 19:45 UTC10m
2026-07-22 KAP157 - Jul 22, 18:00 UTCJul 22, 18:10 UTC10m
2026-07-22 KAP157 - Jul 22, 16:35 UTCJul 22, 16:45 UTC10m
2026-07-19 KAP47 - Jul 19, 19:50 UTCJul 19, 20:10 UTC20m
2026-07-19 KAP47 - Jul 19, 18:25 UTCJul 19, 18:40 UTC15m
2026-07-19 KAP47 - Jul 19, 15:55 UTCJul 19, 16:20 UTC25m
2026-07-19 KAP47 - Jul 19, 13:40 UTCJul 19, 14:00 UTC20m
2026-07-19 KAP47 - Jul 19, 12:40 UTCJul 19, 12:50 UTC10m
2026-07-19 KAP47 - Jul 19, 11:35 UTCJul 19, 11:45 UTC10m
2026-07-18 KAP211 BOS → ISP Jul 18, 23:30 UTCJul 18, 23:45 UTC15m
2026-07-18 KAP211 BOS → ISP Jul 18, 22:10 UTCJul 18, 22:25 UTC15m
2026-07-18 KAP211 BOS → ISP Jul 18, 20:35 UTCJul 18, 21:25 UTC50m
2026-07-18 KAP211 BOS → ISP Jul 18, 19:30 UTCJul 18, 19:40 UTC10m
2026-07-18 KAP211 - Jul 18, 15:15 UTCJul 18, 15:30 UTC15m
2026-07-18 KAP211 - Jul 18, 14:05 UTCJul 18, 14:15 UTC10m
2026-07-17 KAP47 - Jul 17, 17:15 UTCJul 17, 17:30 UTC15m
2026-07-17 KAP47 - Jul 17, 11:45 UTCJul 17, 12:04 UTC20m
2026-07-15 KAP1903 - Jul 15, 20:25 UTCJul 15, 20:45 UTC20m
2026-07-15 KAP1903 - Jul 15, 12:30 UTCJul 15, 12:45 UTC15m
2026-07-13 KAP2 - Jul 13, 22:45 UTCJul 13, 22:55 UTC10m
2026-07-13 KAP2 - Jul 13, 16:15 UTCJul 13, 16:30 UTC15m
2026-07-13 KAP2 - Jul 13, 14:45 UTCJul 13, 15:00 UTC15m
2026-07-12 KAP2 - Jul 12, 22:45 UTCJul 12, 23:00 UTC15m
2026-07-12 KAP2 - Jul 12, 19:45 UTCJul 12, 20:01 UTC15m
2026-07-12 KAP2 - Jul 12, 16:20 UTCJul 12, 16:35 UTC15m
2026-07-12 KAP2 - Jul 12, 15:15 UTCJul 12, 15:30 UTC15m
2026-07-11 KAP2 - Jul 11, 22:55 UTCJul 11, 23:05 UTC10m
2026-07-11 KAP2 - Jul 11, 17:30 UTCJul 11, 17:45 UTC15m
2026-07-11 KAP2 - Jul 11, 15:55 UTCJul 11, 16:10 UTC15m
2026-07-11 KAP2 - Jul 11, 14:55 UTCJul 11, 15:05 UTC10m
2026-07-11 KAP1903 - Jul 11, 12:15 UTCJul 11, 12:30 UTC15m
2026-07-10 KAP47 - Jul 10, 22:35 UTCJul 10, 22:55 UTC20m

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 N26156 page for operator, model, and routing details .

Mode-S A285DA frequently asked

What is Mode-S code A285DA?
A285DA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N26156.
Where is Mode-S A285DA registered?
Mode-S code A285DA 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 A285DA broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A285DA, octal 50502732, decimal 10,651,098.
What flights does A285DA operate?
Mode-S A285DA has broadcast 20 distinct callsigns, including KAP11, KAP2, KAP47, KAP30, KAP323.