Turbine helicopter

N977MS

2014 Bell 407 GX Turbine Helicopters

Registered No accidents on file
Built
2014
Serial
54519
Class
Turbine helicopter
Engines
Rolls-Royce 250-C47B
Status
Current as of October 2026
Registered owner
Maricopa County (Government)
Based
Phoenix, AZ
2014 Bell 407 GX Turbine Helicopters
Representative photo of a Bell 407 GX Turbine Helicopters. Not a photo of N977MS.
Registration record

N977MS on the FAA register

Type
2014 Bell 407 GX Turbine Helicopters
Serial
54519
Engines
Rolls-Royce 250-C47B
Registered owner
Maricopa County
Phoenix, AZ
Certificate issued
2015-01-30
Airworthiness date
2014-08-07
Registration expires
2028-01-31
Airworthiness class
Standard · normal
Mode S (hex)
AD9ECA
Mode S (octal)
53317312
Seats (type)
8
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-01-31
    Registration expires (renewal due).
  • 2015-01-30
    Certificate of registration issued as N977MS.
  • 2014-08-07
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N977MS

N977MS is a 2014 Bell 407 GX Turbine Helicopters, serial number 54519. The FAA register lists Maricopa County as the registrant in Phoenix, Arizona. The current certificate of registration was issued on January 30, 2015 and expires on January 31, 2028.

The FAA aircraft reference file describes the type as a turbine helicopter, one Rolls-Royce 250-C47B engine and 8 seats. Its airworthiness certificate is standard category (normal), dated August 7, 2014.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N977MS.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N977MS.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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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.