Piston helicopter

N9591

1973 Enstrom F-28A

Registered 1 NTSB/FAA record
Built
1973
Serial
122
Class
Piston helicopter
Engines
Lycoming HIO-360 series
Status
Current as of October 2026
Registered owner
Freelance Enterprise LLC (LLC)
Based
Clayton, WA
Registration record

N9591 on the FAA register

Type
1973 Enstrom F-28A
Serial
122
Engines
Lycoming HIO-360 series
Registered owner
Freelance Enterprise LLC
Clayton, WA
Certificate issued
2015-07-01
Airworthiness date
1973-04-30
Registration expires
2028-07-31
Airworthiness class
Standard · normal
Mode S (hex)
AD5891
Mode S (octal)
53254221
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-07-31
    Registration expires (renewal due).
  • 2015-07-01
    Certificate of registration issued as N9591.
  • 1974-06-22
    Accident at Teterboro,Nj, 30; damage: substantial.
  • 1973-04-30
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N9591

N9591 is a 1973 Enstrom F-28A, serial number 122. The FAA register lists Freelance Enterprise LLC as the registrant in Clayton, Washington. The current certificate of registration was issued on July 1, 2015 and expires on July 31, 2028.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming HIO-360 series engine and 3 seats. Its airworthiness certificate is standard category (normal), dated April 30, 1973.

N9591 has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1974-06-22 Accident · Teterboro,Nj, 30 Damage: Substantial NTSB · 3 1725
Reported aircraft: Enstrom F-28A

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.