Piston helicopter

N539H

1976 Enstrom F-28C

Registered 1 NTSB/FAA record
Built
1976
Serial
334
Class
Piston helicopter
Engines
Lycoming I0360 series
Status
Current as of October 2026
Registered owner
Sharkey'S Helicopters Inc (Corporation)
Based
West Lebanon, NH
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Registration record

N539H on the FAA register

Type
1976 Enstrom F-28C
Serial
334
Engines
Lycoming I0360 series
Registered owner
Sharkey'S Helicopters Inc
West Lebanon, NH
Certificate issued
2022-11-04
Airworthiness date
1976-01-21
Registration expires
2029-11-30
Airworthiness class
Standard · normal
Mode S (hex)
A6D28B
Mode S (octal)
51551213
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-11-30
    Registration expires (renewal due).
  • 2022-11-04
    Certificate of registration issued as N539H.
  • 1976-04-08
    Accident at Evanston,Wy, 50; damage: substantial.
  • 1976-01-21
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N539H

N539H is a 1976 Enstrom F-28C, serial number 334. The FAA register lists Sharkey'S Helicopters Inc as the registrant in West Lebanon, New Hampshire. The current certificate of registration was issued on November 4, 2022 and expires on November 30, 2029.

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 January 21, 1976.

N539H has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1976-04-08 Accident · Evanston,Wy, 50 Damage: Substantial NTSB · 3 2114
Reported aircraft: Enstrom F-28C
Probable cause: SLIGHT DOWNSLOPE ROUTE.

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 New Hampshire· 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.