Turbine helicopter

N1174U

1988 Eurocopter BK117 B-2

Registered 1 NTSB/FAA record
Built
1988
Serial
7146
Class
Turbine helicopter
Engines
2 × Lycoming LTS-750-B-1
Status
Current as of October 2026
Registered owner
Guardian Helicopters Inc (Corporation)
Based
Fillmore, CA
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1988 Eurocopter BK117 B-2
Representative photo of a Eurocopter BK117 B-2. Not a photo of N1174U.
Registration record

N1174U on the FAA register

Type
1988 Eurocopter BK117 B-2 (FAA: Messerschmitt-Bolkow-Blohm BK 117 B-2)
Serial
7146
Engines
2 × Lycoming LTS-750-B-1
Registered owner
Guardian Helicopters Inc
Fillmore, CA
Certificate issued
2023-02-21
Airworthiness date
1998-12-19
Registration expires
2030-02-28
Airworthiness class
Standard · transport
Mode S (hex)
A0492B
Mode S (octal)
50044453
Seats (type)
7
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-02-28
    Registration expires (renewal due).
  • 2023-02-21
    Certificate of registration issued as N1174U to the current registrant.
  • 2018-03-05
    Accident at Sheboygan, WI; damage: substantial.
  • 1998-12-19
    Airworthiness date on the current FAA record (standard category (transport)).
  • 1990-10-11
    N1174U previously assigned to a Cessna 172M Skyhawk / 172 Skyhawk / 172K Skyhawk (s/n 17266875); cancelled.
  • 1988
    Manufactured (1988).
Overview

About N1174U

N1174U is a 1988 Eurocopter BK117 B-2 (FAA model BK 117 B-2), serial number 7146. The FAA register lists Guardian Helicopters Inc as the registrant in Fillmore, California. The current certificate of registration was issued on February 21, 2023 and expires on February 28, 2030.

The FAA aircraft reference file describes the type as a turbine helicopter, two Lycoming LTS-750-B-1 engines and 7 seats. Its airworthiness certificate is standard category (transport), dated December 19, 1998.

N1174U has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2018-03-05 Accident · Sheboygan, WI Damage: Substantial NTSB · CEN18LA115
Reported aircraft: Messerschmitt-Bolkow-Blohm BK 117 B-2
Probable cause: The restricted cyclic control movement for reasons that could not be determined because postaccident examination and testing of the cyclic control system did not reveal any evidence of mechanical malfunctions or failures that would have precluded normal operation.

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.