N8667D

This airframe, registered as N8667D, is a Boeing-built narrowbody delivered in 2015, manufactured by Boeing Commercial Airplanes with manufacturer serial number 36657 / 5392. It is owned and operated by Southwest Airlines, registered in the US, and configured in the carrier’s standard all-economy layout. The airframe represents a mid-decade production example of the Next Generation 737 family and has remained in the operator’s active fleet since delivery; no registry transfers or third‑party ownership events are recorded for this serial in the supplied data. Condition and valuation details are not published in the provided dataset.

The aircraft is fitted in an all‑economy, single‑class cabin identified as Y175, reflecting Southwest Airlines’ standard high‑density layout for short‑ to medium‑haul domestic operations. Typical mission profiles for this airframe include frequent point‑to‑point scheduled services within the carrier’s U.S. route network, taking advantage of the 737‑800’s combination of seating capacity and medium range. Avionics and systems follow the 737‑800 NG standard fit for the production year, supporting airline operational requirements and commonality with the operator’s fleet. Maintenance and operational considerations are aligned with a high-utilization regional mainline operator; this airframe’s continuous service with Southwest suggests standard fleet maintenance cycles rather than unique airframe‑specific interventions.

As a Boeing 737-8H4 (737-800 NG), this aircraft sits in the mature Next Generation 737 family, offering a balance of capacity (here 175 seats) and range (3,060 nm) targeted at dense short‑to‑medium domestic markets. Competing models in the same niche include the Airbus A320 family and other 737 variants; the NG’s wide aftermarket support and commonality make it attractive for airlines seeking high utilization and straightforward dispatch reliability. Resale and maintenance considerations typically reflect the airframe’s production year (2015), engine type (CFM56‑7B), and operator pedigree, with fleet‑common maintenance programs enhancing residual value and ease of component support.