Piston helicopter

N51770

Enstrom F-28C

Registered 1 NTSB/FAA record
Built
—
Serial
445
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

N51770 on the FAA register

Type
Enstrom F-28C
Serial
445
Engines
Lycoming HIO-360 series
Registered owner
Lrh Equipment LLC
Pendleton, OR
Certificate issued
2014-01-27
Airworthiness date
1978-10-20
Registration expires
2030-01-31
Airworthiness class
Standard · normal
Mode S (hex)
A67ED6
Mode S (octal)
51477326
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).
  • 2014-01-27
    Certificate of registration issued as N51770.
  • 1999-04-07
    Accident at Pendleton, OR; damage: substantial.
  • 1978-10-20
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N51770

N51770 is an Enstrom F-28C, serial number 445. The FAA register lists Lrh Equipment LLC as the registrant in Pendleton, Oregon. The current certificate of registration was issued on January 27, 2014 and expires on January 31, 2030.

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 October 20, 1978.

N51770 has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1999-04-07 Accident · Pendleton, OR Damage: Substantial NTSB · SEA99LA048
Reported aircraft: Enstrom F-28C
Probable cause: A loss of power due to water contamination of the fuel. Factors include the inability of the helicopter to perform a successful autorotation immediately after takeoff.

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.