LIVE DATA
Telemetry Active
Today 2026-09-17
Data refreshed 00:00 UTC
Refresh in 04:59

N403YK

Type: Boeing 737-400 (B734) Mode S Hex: A4B9F6 Operator: Northern Air Cargo Status: ACTIVE

Airframe N403YK Key Facts

  • Airframe N403YK (Boeing 737-400) was last observed on 2026-09-17 at monitored terminal (Global Airspace).
  • Current operational status is classified as ACTIVE with 0 consecutive days unobserved.
  • Registered Mode S 24-bit transponder address is A4B9F6 with manufacturer serial number (MSN) 25842.
N403YK (Boeing 737-400)
Boeing 737-400 · Operated by Northern Air Cargo Reference: Aviation Photography
Aviation Spotter Galleries for Tail N403YK:
Planespotters.net → JetPhotos → FlightRadar24 Telemetry →

Registry Record

Registration Mark
N403YK
Manufacturer Serial Number (MSN)
25842
Mode S 24-bit ICAO Hex
a4b9f6
Registered Owner
Northern Air Cargo Llc
Lessor / Financing
Carrier Owned / Unlisted
Estimated Airframe Age
5.2 years
Resolution Confidence
HIGH

Observation & Telemetry State

Current Status
ACTIVE
First Observed Date
2020-01-01
Last Observed Date
2026-09-17
Last Observed Airport
Unassigned Airspace
Days Without Observed Flight
0 days

Airframe Lifecycle & Genealogy History

MSN 25842 • Hex A4B9F6
2021 OEM Production
Assembled by Boeing
Manufactured as Boeing 737-400 with Manufacturer Serial Number 25842 and assigned ICAO Mode S hex A4B9F6.
2021 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration N403YK.
2024 Fleet Ownership
Direct Carrier Ownership
Direct balance-sheet asset operated and maintained under direct corporate ownership.
2026 (Current) ACTIVE
Operated by Northern Air Cargo
Current observed airframe age is 5.2 years. Telemetry active across global ADS-B tracking corridors.

90-Day Observed Activity Strip

Daily flight activity observations over the previous 90-day window.

Observed ADS-B Signal Unobserved / On Ground

Observed Flight Corridor History

CYYZ-KATLKATL-KLAXKLAX-KJFK