Piston helicopter

N646H

1977 Enstrom 280C SHARK Piston Helicopters

Registered 1 NTSB/FAA record
Built
1977
Serial
1099
Class
Piston helicopter
Engines
Lycoming HI0-360 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Milton Freewater, OR
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1977 Enstrom 280C SHARK Piston Helicopters
Representative photo of a Enstrom 280C SHARK Piston Helicopters. Not a photo of N646H.
Registration record

N646H on the FAA register

Type
1977 Enstrom 280C SHARK Piston Helicopters
Serial
1099
Engines
Lycoming HI0-360 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Milton Freewater, OR
Certificate issued
2024-12-23
Airworthiness date
1997-02-10
Registration expires
2031-12-31
Airworthiness class
Standard · normal
Mode S (hex)
A87C34
Mode S (octal)
52076064
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-12-31
    Registration expires (renewal due).
  • 2024-12-23
    Certificate of registration issued as N646H.
  • 2024-10-09
    Accident at Vale, OR; damage: substantial.
  • 1997-02-10
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1977
    Manufactured (1977).
Overview

About N646H

N646H is a 1977 Enstrom 280C SHARK Piston Helicopters, serial number 1099. It is registered to an individual in Milton Freewater, Oregon. The current certificate of registration was issued on December 23, 2024 and expires on December 31, 2031.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming HI0-360 series engine and 3 seats. Its airworthiness certificate is standard category (normal), dated February 10, 1997.

N646H has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2024-10-09 Accident · Vale, OR Damage: Substantial NTSB · WPR25LA010
Reported aircraft: Enstrom Helicopter 280C
Probable cause: The pilot s failure to maintain engine and rotor rpm during takeoff, that resulted in a hard landing.
NTSB report ↗

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.