sensors Mode-S transponder

AAF617

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N805SY · BOEING 737-800 · operated by SUN COUNTRY INC

Hex
AAF617
Octal
52573027
Decimal
11,204,119
Country
US
Tail
N805SY
Type
B738
No current signal · last broadcast 7h ago
Flights observed
169
Distinct callsigns
20
Country
US
Last broadcast
7h ago

Last known position

Most recent position reported by Mode-S AAF617.

Country allocation

The ICAO 24-bit address AAF617 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 SCX8177 CAK → CMH May 30, 00:05 UTCMay 30, 00:30 UTC25m
2026-05-29 SCX8177 CAK → CMH May 29, 20:50 UTCMay 29, 23:15 UTC2h 25m
2026-05-29 SCX8176 ACY → PNS May 29, 18:00 UTCMay 29, 19:20 UTC1h 20m
2026-05-29 SCX8175 MCO → SRQ May 29, 16:10 UTCMay 29, 16:50 UTC40m
2026-05-29 SCX1981 MSP → FLL May 29, 12:15 UTCMay 29, 15:05 UTC2h 50m
2026-05-26 SCX8281 TYS → GRR May 26, 01:00 UTCMay 26, 01:44 UTC45m
2026-05-25 SCX8262 GRR → GPT May 25, 21:35 UTCMay 25, 23:35 UTC2h 0m
2026-05-25 SCX8261 MSY → RNO May 25, 16:35 UTCMay 25, 18:35 UTC2h 0m
2026-05-25 SX8261 - May 25, 14:35 UTCMay 25, 15:10 UTC35m
2026-05-25 SCX8289 MSP → TYS May 25, 12:30 UTCMay 25, 13:05 UTC35m
2026-05-24 SCX1982 RDU → MSP May 24, 23:35 UTCMay 24, 23:46 UTC11m
2026-05-24 SCX8186 ACY → DTW May 24, 20:35 UTCMay 24, 21:45 UTC1h 10m
2026-05-24 SCX8186 ACY → DTW May 24, 18:20 UTCMay 24, 18:50 UTC30m
2026-05-24 SCX8185 DTW → GPT May 24, 16:30 UTCMay 24, 16:50 UTC20m
2026-05-24 SCX8185 DTW → GPT May 24, 14:20 UTCMay 24, 15:25 UTC1h 5m
2026-05-24 SCX1981 MSP → FLL May 24, 11:35 UTCMay 24, 12:50 UTC1h 15m
2026-05-24 SCX396 SFO → MSP May 24, 01:25 UTCMay 24, 04:35 UTC3h 10m
2026-05-23 SCX395 MSP → SFO May 23, 20:10 UTCMay 23, 23:40 UTC3h 30m
2026-05-23 SCX214 TPA → MSP May 23, 16:00 UTCMay 23, 18:50 UTC2h 50m
2026-05-23 SCX213 MSP → TPA May 23, 11:40 UTCMay 23, 14:30 UTC2h 50m
2026-05-22 SCX1814 VPS → MSP May 22, 23:10 UTCMay 23, 01:15 UTC2h 5m
2026-05-22 SCX1813 MSP → VPS May 22, 19:20 UTCMay 22, 21:45 UTC2h 25m
2026-05-22 SCX210 MYR → MSP May 22, 15:05 UTCMay 22, 17:35 UTC2h 30m
2026-05-22 SCX209 MSP → MYR May 22, 11:25 UTCMay 22, 13:30 UTC2h 5m
2026-05-22 SCX108 LAS → MSP May 22, 02:00 UTCMay 22, 04:35 UTC2h 35m
2026-05-21 SCX107 MSP → LAS May 21, 21:30 UTCMay 22, 00:30 UTC3h 0m
2026-05-21 SCX384 RSW → MSP May 21, 16:45 UTCMay 21, 19:50 UTC3h 5m
2026-05-21 SCX383 MSP → RSW May 21, 12:15 UTCMay 21, 15:15 UTC3h 0m
2026-05-20 SCX424 LAX → MSP May 20, 18:45 UTCMay 20, 21:45 UTC3h 0m
2026-05-20 SCX423 MSP → LAX May 20, 13:25 UTCMay 20, 17:05 UTC3h 40m
2026-05-19 SCX104 LAS → MSP May 19, 19:10 UTCMay 19, 21:35 UTC2h 25m
2026-05-19 SCX103 MSP → LAS May 19, 14:20 UTCMay 19, 17:45 UTC3h 25m
2026-05-19 SCX408 SAN → MSP May 19, 02:00 UTCMay 19, 04:55 UTC2h 55m
2026-05-18 SCX407 MSP → SAN May 18, 20:20 UTCMay 18, 23:55 UTC3h 35m
2026-05-18 SCX214 TPA → MSP May 18, 16:10 UTCMay 18, 19:10 UTC2h 59m
2026-05-18 SCX213 MSP → TPA May 18, 12:10 UTCMay 18, 15:05 UTC2h 55m
2026-05-18 SCX430 LAX → MSP May 18, 07:20 UTCMay 18, 10:25 UTC3h 5m
2026-05-18 SCX429 MSP → LAX May 18, 02:20 UTCMay 18, 06:10 UTC3h 50m
2026-05-17 SCX1982 RDU → MSP May 17, 23:25 UTCMay 18, 00:50 UTC1h 25m
2026-05-17 SCX8186 ACY → DTW May 17, 21:50 UTCMay 17, 22:15 UTC25m
2026-05-17 SCX8186 ACY → DTW May 17, 19:40 UTCMay 17, 20:40 UTC1h 0m
2026-05-17 SCX8185 DTW → GPT May 17, 16:35 UTCMay 17, 17:50 UTC1h 15m
2026-05-17 SCX8185 DTW → GPT May 17, 14:10 UTCMay 17, 14:50 UTC40m
2026-05-17 SCX1981 MSP → FLL May 17, 11:40 UTCMay 17, 12:50 UTC1h 10m
2026-05-16 SCX342 MCO → MSP May 16, 16:00 UTCMay 16, 19:10 UTC3h 10m
2026-05-16 SCX341 MSP → MCO May 16, 11:46 UTCMay 16, 14:31 UTC2h 45m
2026-05-15 SCX424 LAX → MSP May 15, 18:10 UTCMay 15, 21:15 UTC3h 5m
2026-05-15 SCX423 MSP → LAX May 15, 13:05 UTCMay 15, 16:25 UTC3h 19m
2026-05-14 SCX1982 RDU → MSP May 14, 23:35 UTCMay 15, 01:00 UTC1h 25m
2026-05-14 SCX8186 ACY → DTW May 14, 21:45 UTCMay 14, 22:25 UTC40m

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 N805SY page for operator, model, and routing details .

Mode-S AAF617 frequently asked

What is Mode-S code AAF617?
AAF617 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N805SY.
Where is Mode-S AAF617 registered?
Mode-S code AAF617 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 AAF617 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 AAF617, octal 52573027, decimal 11,204,119.
What flights does AAF617 operate?
Mode-S AAF617 has broadcast 20 distinct callsigns, including SCX8186, SCX8185, SCX601, SCX602, SCX344.