Apparatus

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sensors Mode-S transponder

A11A2F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N170LH · PIPER PA-28-140/150/160/180 · operated by FARMINGDALE STATE COLLEGE

Hex
A11A2F
Octal
50215057
Decimal
10,557,999
Country
US
Tail
N170LH
Type
P28A
No current signal · last broadcast 11h ago
Flights observed
109
Distinct callsigns
1
Country
US
Last broadcast
11h ago

Last known position

Most recent position reported by Mode-S A11A2F.

Country allocation

The ICAO 24-bit address A11A2F 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
FDL70 - 109 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 FDL70 FRG → FRG Jul 14, 01:35 UTCJul 14, 03:55 UTC2h 20m
2026-07-13 FDL70 FRG → FRG Jul 13, 22:10 UTCJul 13, 23:25 UTC1h 15m
2026-07-13 FDL70 - Jul 13, 19:30 UTCJul 13, 21:15 UTC1h 45m
2026-07-13 FDL70 - Jul 13, 16:30 UTCJul 13, 18:00 UTC1h 30m
2026-07-13 FDL70 FRG → FRG Jul 13, 13:05 UTCJul 13, 14:20 UTC1h 15m
2026-07-10 FDL70 - Jul 10, 14:10 UTCJul 10, 15:40 UTC1h 30m
2026-07-09 FDL70 FRG → FRG Jul 9, 17:00 UTCJul 9, 18:00 UTC1h 0m
2026-07-09 FDL70 FRG → FRG Jul 9, 14:10 UTCJul 9, 15:35 UTC1h 25m
2026-07-09 FDL70 - Jul 9, 01:30 UTCJul 9, 03:00 UTC1h 30m
2026-07-08 FDL70 FRG → FRG Jul 8, 22:00 UTCJul 8, 23:50 UTC1h 50m
2026-07-08 FDL70 FRG → FRG Jul 8, 19:00 UTCJul 8, 20:10 UTC1h 10m
2026-07-08 FDL70 - Jul 8, 16:45 UTCJul 8, 17:40 UTC55m
2026-07-08 FDL70 - Jul 8, 14:00 UTCJul 8, 15:00 UTC1h 0m
2026-07-05 FDL70 - Jul 5, 13:30 UTCJul 5, 14:35 UTC1h 5m
2026-07-03 FDL70 - Jul 3, 15:30 UTCJul 3, 16:10 UTC40m
2026-06-30 FDL70 FRG → FRG Jun 30, 13:30 UTCJun 30, 14:35 UTC1h 5m
2026-06-30 FDL70 - Jun 30, 11:30 UTCJun 30, 12:15 UTC45m
2026-06-30 FDL70 - Jun 30, 01:30 UTCJun 30, 03:45 UTC2h 15m
2026-06-29 FDL70 - Jun 29, 21:54 UTCJun 29, 22:59 UTC1h 5m
2026-06-29 FDL70 FRG → FRG Jun 29, 19:20 UTCJun 29, 20:49 UTC1h 30m
2026-06-26 FDL70 FRG → FRG Jun 26, 19:55 UTCJun 26, 21:15 UTC1h 20m
2026-06-26 FDL70 - Jun 26, 17:15 UTCJun 26, 18:20 UTC1h 5m
2026-06-26 FDL70 FRG → FRG Jun 26, 01:39 UTCJun 26, 03:05 UTC1h 25m
2026-06-25 FDL70 - Jun 25, 17:05 UTCJun 25, 19:05 UTC2h 0m
2026-06-24 FDL70 FRG → FRG Jun 24, 22:39 UTCJun 24, 23:45 UTC1h 5m
2026-06-24 FDL70 - Jun 24, 19:20 UTCJun 24, 21:04 UTC1h 45m
2026-06-24 FDL70 - Jun 24, 14:09 UTCJun 24, 15:14 UTC1h 5m
2026-06-24 FDL70 - Jun 24, 11:29 UTCJun 24, 13:14 UTC1h 45m
2026-06-22 FDL70 - Jun 22, 17:00 UTCJun 22, 17:55 UTC55m
2026-06-22 FDL70 - Jun 22, 14:05 UTCJun 22, 15:14 UTC1h 10m
2026-06-22 FDL70 - Jun 22, 11:24 UTCJun 22, 12:59 UTC1h 35m
2026-06-19 FDL70 FRG → FRG Jun 19, 19:19 UTCJun 19, 20:29 UTC1h 10m
2026-06-17 FDL70 - Jun 17, 16:50 UTCJun 17, 18:00 UTC1h 10m
2026-06-10 FDL70 - Jun 10, 19:35 UTCJun 10, 21:10 UTC1h 35m
2026-06-10 FDL70 - Jun 10, 16:50 UTCJun 10, 18:20 UTC1h 30m
2026-06-09 FDL70 - Jun 9, 19:00 UTCJun 9, 19:35 UTC35m
2026-06-09 FDL70 - Jun 9, 17:35 UTCJun 9, 18:25 UTC50m
2026-06-08 FDL70 - Jun 8, 22:10 UTCJun 8, 23:25 UTC1h 15m
2026-06-08 FDL70 FRG → FRG Jun 8, 19:15 UTCJun 8, 20:25 UTC1h 10m
2026-06-08 FDL70 FRG → FRG Jun 8, 17:00 UTCJun 8, 18:05 UTC1h 5m
2026-06-08 FDL70 FRG → FRG Jun 8, 14:25 UTCJun 8, 15:45 UTC1h 20m
2026-06-08 FDL70 - Jun 8, 11:30 UTCJun 8, 13:05 UTC1h 35m
2026-06-05 FDL70 - Jun 5, 11:40 UTCJun 5, 13:05 UTC1h 25m
2026-06-04 FDL70 FRG → FRG Jun 4, 16:55 UTCJun 4, 18:50 UTC1h 55m
2026-06-04 FDL70 FRG → FRG Jun 4, 14:05 UTCJun 4, 15:35 UTC1h 30m
2026-06-03 FDL70 FRG → FRG Jun 3, 19:15 UTCJun 3, 20:40 UTC1h 25m
2026-06-03 FDL70 FRG → FRG Jun 3, 16:40 UTCJun 3, 17:55 UTC1h 15m
2026-06-02 FDL70 - Jun 2, 20:30 UTCJun 2, 22:20 UTC1h 50m
2026-06-02 FDL70 AGC → HAR Jun 2, 17:55 UTCJun 2, 19:25 UTC1h 30m
2026-06-02 FDL70 - Jun 2, 12:10 UTCJun 2, 15:00 UTC2h 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 N170LH page for operator, model, and routing details .

Mode-S A11A2F frequently asked

What is Mode-S code A11A2F?
A11A2F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N170LH.
Where is Mode-S A11A2F registered?
Mode-S code A11A2F 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 A11A2F broadcasting right now?
No active broadcast right now. Last signal was 11h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A11A2F, octal 50215057, decimal 10,557,999.
What flights does A11A2F operate?
Mode-S A11A2F has broadcast 1 distinct callsign, including FDL70.