Staging copy. The live site is at https://staging.data.eflight.com.
eFlight RegistryFAA data, updated daily
Registered aircraft · FAA record as of September 25, 2026
N725MK

Lockheed 1329-23E

Valid Texas

N725MK is a Lockheed 1329-23E, a fixed-wing airplane with more than one motor with turbojet engines, built in 1968. It has 12 seats. It is registered to Ken Sale Resources INC, a corporation in Southlake, Texas. The registration is valid: it was issued on February 20, 2007 and expires on August 31, 2029. It holds a standard airworthiness certificate for transport, dated September 30, 1968.

Aircraft

Maker
Lockheed
Model
1329-23E
Serial number
5123
Type
Fixed-wing, multi-engine
Power
Turbojet, 4 motors · P & W JT12A-6 6A · 3,000 lb thrust
Seats
12
Year built
1968
Transponder code
A9B73C (octal 52333474)

Registration

Status
Valid registration
Certificate issued
February 20, 2007
Expires
August 31, 2029
Last FAA action
July 25, 2023
Airworthiness
Standard · Transport · September 30, 1968
FAA region
Southwestern
FAA record id
00473394

Owner as the FAA publishes it

Name
Ken Sale Resources INC
Type
Corporation
Address
865 W Dove Rd
Southlake, TX 76092-3562

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data