Piston helicopter

N857MM

1982 Enstrom F28F

Registered No accidents on file
Built
1982
Serial
723
Class
Piston helicopter
Engines
Lycoming HIO-360 series
Status
Current as of October 2026
Registered owner
Vigilante Helicopters LLC (LLC)
Based
Lewistown, MT
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Registration record

N857MM on the FAA register

Type
1982 Enstrom F28F (FAA: Enstrom F-28F)
Serial
723
Engines
Lycoming HIO-360 series
Registered owner
Vigilante Helicopters LLC
Lewistown, MT
Certificate issued
2023-08-24
Airworthiness date
1982-08-26
Registration expires
2030-08-31
Airworthiness class
Standard · normal
Mode S (hex)
ABC278
Mode S (octal)
52741170
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-08-31
    Registration expires (renewal due).
  • 2023-08-24
    Certificate of registration issued as N857MM.
  • 1982-08-26
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N857MM

N857MM is a 1982 Enstrom F28F (FAA model F-28F), serial number 723. The FAA register lists Vigilante Helicopters LLC as the registrant in Lewistown, Montana. The current certificate of registration was issued on August 24, 2023 and expires on August 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 August 26, 1982.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N857MM.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N857MM.

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 Montana· 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.