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eFlight RegistryFAA data, updated daily
Maker · data as of September 25, 2026

Northwestern

11 aircraft on the U.S. register. The most recent registration was March 14, 2025.

Models

PORTERFIELD LP-653PORTERFIELD CP-653PORTERFIELD 35-703PORTERFIELD 352

States

California3Texas2New York2Oklahoma1Ohio1Illinois1Arkansas1

Registrations by year

00122120162201812019220231202412025

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N32374 Northwestern
PORTERFIELD LP-65
Fixed-wing, single engine Individual owner
New York
Standard 2025-03-14 Valid
N25591 Northwestern
PORTERFIELD 35
Fixed-wing, single engine Individual owner
Texas
None on file 2024-10-22 Valid
N27259 Northwestern
PORTERFIELD CP-65
Fixed-wing, single engine Individual owner
Ohio
Standard 2023-09-06 Valid
N27254 Northwestern
PORTERFIELD CP-65
Fixed-wing, single engine Individual owner
Arkansas
Experimental 2023-06-21 Valid
N14475 Northwestern
PORTERFIELD 35-70
Fixed-wing, single engine Individual owner
New York
Standard 2019-10-10 Valid
N27291 Northwestern
PORTERFIELD LP-65
Fixed-wing, single engine Co-owned owner
California
Standard 2018-09-19 Valid
N37776 Northwestern
PORTERFIELD LP-65
Fixed-wing, single engine Individual owner
Illinois
Standard 2018-02-28 Valid
N15457 Northwestern
PORTERFIELD 35-70
Fixed-wing, single engine Individual owner
California
Standard 2016-02-17 Valid
N34719 Northwestern
PORTERFIELD 35
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2007-04-25 Valid
N37895 Northwestern
PORTERFIELD CP-65
Fixed-wing, single engine Co-owned owner
California
Standard 2006-05-18 Valid
N15444 Northwestern
PORTERFIELD 35-70
Fixed-wing, single engine Individual owner
Texas
Standard 1981-11-02 Valid