Port 5913Automatic Dependent Surveillance-Contract (ADS-C)

SCTP port assigned to ADS-C, the aviation data-link service that sends aircraft surveillance reports to air traffic services.

inNetwork Services

transport: sctp
in transit: cleartext
assignment: official
risk: 2/10
lookups: 0

also known as ads-c, Automatic Dependent Surveillance

1 other service is registered on port 5913. compare all 2 →

Technical Details

what runs on :5913

IANA assigns SCTP port 5913 to ADS-C. ADS-C is a contract-based surveillance application: an air traffic service unit can request reports, and an aircraft can send periodic, event-triggered, or emergency reports according to the contract. An SCTP association begins with the standard SCTP INIT/INIT ACK/COOKIE ECHO/COOKIE ACK exchange; the ADS-C application data is then carried over that association. The port assignment does not imply a general-purpose listener on aircraft or ground networks: ADS-C operations are commonly carried through aviation data-link services, and deployments may not expose this SCTP endpoint directly.

Security Information

exposure of :5913

risk score

2/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

network services averages 2.6 across 1,677 ports — this one sits 0.6 below.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

sctp

every listening transport is another surface to filter at the edge

security overview

This is a specialized aviation service, not a port that should normally be reachable from the public internet. If an ADS-C endpoint is exposed, unauthorized access or forged surveillance reports could affect the integrity of an air-traffic surveillance picture; restrict reachability to authorized aviation networks and peers. ADS-C itself should not be assumed to encrypt traffic, and this port has not been observed open in the cited internet-wide scan data.

Record

iana registry entry

port: :5913
service: Automatic Dependent Surveillance-Contract (ADS-C)
transport: SCTP
encryption: cleartext
assignment: iana registered
risk: 2/10safe
category: Network Services
usage: The assignment is for Automatic Dependent Surveillance-Contract (ADS-C), an aviation surveillance service in which an aircraft reports to an air traffic service provider under negotiated reporting contracts. It is not commonly encountered as a public internet service; operational ADS-C is generally carried through aviation data-link systems such as FANS and ACARS.
lookups: 0rank 993
added: 2026-10-09
updated: 2026-10-09
references: IANA service name registry — port 5913

Something wrong?

This record is maintained by the engineers who use port 5913. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-10-09.

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edit this record →back to the registry

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risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :5913Automatic Dependent Surveillance-Contract (ADS-C)

Technical Details

Security Information

Related Ports

Port 5913Automatic Dependent Surveillance-Contract (ADS-C)