Piston helicopter

N171HH

1988 Enstrom F28F

Registered 2 NTSB/FAA records
Built
1988
Serial
758
Class
Piston helicopter
Engines
Lycoming HIO-360 series
Status
Current as of October 2026
Registered owner
Lrh Equipment LLC (LLC)
Based
Pendleton, OR
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Registration record

N171HH on the FAA register

Type
1988 Enstrom F28F (FAA: Enstrom F-28F)
Serial
758
Engines
Lycoming HIO-360 series
Registered owner
Lrh Equipment LLC
Pendleton, OR
Certificate issued
2000-11-08
Airworthiness date
1998-03-18
Registration expires
2028-10-31
Airworthiness class
Standard · normal
Mode S (hex)
A11D9B
Mode S (octal)
50216633
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-10-31
    Registration expires (renewal due).
  • 2000-11-08
    Certificate of registration issued as N171HH.
  • 1998-03-30
    Accident at Baker, OR; damage: substantial.
  • 1998-03-18
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1997-12-06
    Accident at John Day, OR; damage: substantial.
  • 1988
    Manufactured (1988).
Overview

About N171HH

N171HH is a 1988 Enstrom F28F (FAA model F-28F), serial number 758. The FAA register lists Lrh Equipment LLC as the registrant in Pendleton, Oregon. The current certificate of registration was issued on November 8, 2000 and expires on October 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 March 18, 1998.

N171HH has 2 accident/incident records on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1998-03-30 Accident · Baker, OR Damage: Substantial NTSB · SEA98FA055
Reported aircraft: Enstrom F28F
Probable cause: Fatigue failure of the steel tubing pylon structure. Factors include inadequate inspection by maintenance personnel of damage after a previous accident.
1997-12-06 Accident · John Day, OR Damage: Substantial NTSB · SEA98LA021
Reported aircraft: Enstrom F-28F
Probable cause: a loss of engine power for undetermined reasons.

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 Oregon· 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.