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

N77544

Type: Boeing 737 MAX 9 (B39M) Mode S Hex: AA7E9B Operator: United Airlines Status: ACTIVE

Airframe N77544 Key Facts

  • Airframe N77544 (Boeing 737 MAX 9) 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 AA7E9B with manufacturer serial number (MSN) 64473.
N77544 (Boeing 737 MAX 9)
Boeing 737 MAX 9 · Operated by United Airlines Reference: MHernandezp05
Aviation Spotter Galleries for Tail N77544:
Planespotters.net → JetPhotos → FlightRadar24 Telemetry →

Registry Record

Registration Mark
N77544
Manufacturer Serial Number (MSN)
64473
Mode S 24-bit ICAO Hex
aa7e9b
Registered Owner
United Airlines Inc
Lessor / Financing
Carrier Owned / Unlisted
Estimated Airframe Age
6.0 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 64473 • Hex AA7E9B
2020 OEM Production
Assembled by Boeing
Manufactured as Boeing 737 MAX 9 with Manufacturer Serial Number 64473 and assigned ICAO Mode S hex AA7E9B.
2020 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration N77544.
2023 Fleet Ownership
Direct Carrier Ownership
Direct balance-sheet asset operated and maintained under direct corporate ownership.
2026 (Current) ACTIVE
Operated by United Airlines
Current observed airframe age is 6.0 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