Airframe N129DU Key Facts

  • Airframe N129DU (Airbus A220-100) 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 A0757F with manufacturer serial number (MSN) 50048.
N129DU (Airbus A220-100)
Airbus A220-100 · Operated by Delta Air Lines Reference: Coldstreamer20

Registry Record

Registration Mark
N129DU
Manufacturer Serial Number (MSN)
50048
Mode S 24-bit ICAO Hex
a0757f
Registered Owner
Delta Air Lines Inc
Lessor / Financing
AerCap
Estimated Airframe Age
6.8 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 50048 • Hex A0757F
2019 OEM Production
Assembled by Airbus
Manufactured as Airbus A220-100 with Manufacturer Serial Number 50048 and assigned ICAO Mode S hex A0757F.
2019 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration N129DU.
2022 Asset Financing
Financed by AerCap
Placed under operating lease portfolio with long-term placement agreement and institutional asset management.
2026 (Current) ACTIVE
Operated by Delta Air Lines
Current observed airframe age is 6.8 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