Turbine helicopter

N173FR

2000 Flight Research FRI H58C

Registered No accidents on file
Built
2000
Serial
FRI 004
Class
Turbine helicopter
Engines
Allison T63 series
Status
Current as of October 2026
Registered owner
National Test Pilot School (Corporation)
Based
Mojave, CA
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Registration record

N173FR on the FAA register

Type
2000 Flight Research FRI H58C
Serial
FRI 004
Engines
Allison T63 series
Registered owner
National Test Pilot School
Mojave, CA
Certificate issued
2023-05-25
Airworthiness date
2018-03-31
Registration expires
2030-05-31
Airworthiness class
Experimental · research & development
Mode S (hex)
A124DF
Mode S (octal)
50222337
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-05-31
    Registration expires (renewal due).
  • 2023-05-25
    Certificate of registration issued as N173FR.
  • 2018-03-31
    Airworthiness date on the current FAA record (experimental category (research & development)).
  • 2000
    Manufactured (2000).
Overview

About N173FR

N173FR is a 2000 Flight Research FRI H58C, serial number FRI 004. The FAA register lists National Test Pilot School as the registrant in Mojave, California. The current certificate of registration was issued on May 25, 2023 and expires on May 31, 2030.

The FAA aircraft reference file describes the type as a turbine helicopter, one Allison T63 series engine and 4 seats. Its airworthiness certificate is experimental category (research & development), dated March 31, 2018.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N173FR.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N173FR.

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

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Browse: Aircraft registered in California· 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.