Piston helicopter

N173

1974 Enstrom F-28A

Registered No accidents on file
Built
1974
Serial
218
Class
Piston helicopter
Engines
Lycoming I0360 series
Status
Current as of October 2026
Registered owner
Co-owned · sign in to see
Based
Grosse Ile, MI
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Registration record

N173 on the FAA register

Type
1974 Enstrom F-28A
Serial
218
Engines
Lycoming I0360 series
Registered owner
Co-owned — the name of an individual registrant is shown to signed-in users. Sign in
Grosse Ile, MI
Certificate issued
2023-01-30
Airworthiness date
1974-06-12
Registration expires
2030-01-31
Airworthiness class
Standard · normal
Mode S (hex)
A12451
Mode S (octal)
50222121
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-01-31
    Registration expires (renewal due).
  • 2023-01-30
    Certificate of registration issued as N173 to the current registrant.
  • 1996-05-16
    N173 previously assigned to a Schempp-Hirth K. G Nimbus II (s/n 27); cancelled.
  • 1974-06-12
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N173

N173 is a 1974 Enstrom F-28A, serial number 218. It is registered to co-owners in Grosse Ile, Michigan. The current certificate of registration was issued on January 30, 2023 and expires on January 31, 2030.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming I0360 series engine and 3 seats. Its airworthiness certificate is standard category (normal), dated June 12, 1974.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N173. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1993-05-30 Accident · Buena Vista, CO Damage: Substantial Serious injury NTSB · DEN93LA064
Reported aircraft: Schempp-Hirth Nimbus II — a different aircraft that carried the N173 registration before this airframe.
Probable cause: FAILURE TO FOLLOW PROCEDURES AND DIRECTIVES WHEN OPERATING THE FLAPS.

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

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Browse: Enstrom aircraft for sale· Aircraft registered in Michigan· Registry by state· FAA registry stats

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.