Airframe JA8991 Key Facts

  • Airframe JA8991 (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 86EFA7 with manufacturer serial number (MSN) 27916.
JA8991 (Boeing 737-400)
Boeing 737-400 · Operated by Japan Transocean Air Reference: Aviation Photography

Registry Record

Registration Mark
JA8991
Manufacturer Serial Number (MSN)
27916
Mode S 24-bit ICAO Hex
86efa7
Registered Owner
Japan Transocean Air
Lessor / Financing
Carrier Owned / Unlisted
Estimated Airframe Age
7.2 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 27916 • Hex 86EFA7
2019 OEM Production
Assembled by Boeing
Manufactured as Boeing 737-400 with Manufacturer Serial Number 27916 and assigned ICAO Mode S hex 86EFA7.
2019 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration JA8991.
2022 Fleet Ownership
Direct Carrier Ownership
Direct balance-sheet asset operated and maintained under direct corporate ownership.
2026 (Current) ACTIVE
Operated by Japan Transocean Air
Current observed airframe age is 7.2 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