Turbine helicopter

N175FR

1981 Homebuilt BO 105M

Registered No accidents on file
Built
1981
Serial
5029
Class
Turbine helicopter
Engines
2 × Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
National Test Pilot School (Corporation)
Based
Mojave, CA
Registration record

N175FR on the FAA register

Type
1981 Homebuilt BO 105M
Serial
5029
Engines
2 × Ama/Expr UNKNOWN ENG
Registered owner
National Test Pilot School
Mojave, CA
Certificate issued
2023-05-25
Airworthiness date
2016-07-16
Registration expires
2030-05-31
Airworthiness class
Experimental · research & development
Mode S (hex)
A12C4D
Mode S (octal)
50226115
Seats (type)
5
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 N175FR.
  • 2016-07-16
    Airworthiness date on the current FAA record (experimental category (research & development)).
  • 1981
    Manufactured (1981).
Overview

About N175FR

N175FR is a 1981 Homebuilt BO 105M, serial number 5029. 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, two Ama/Expr UNKNOWN ENG engines and 5 seats. Its airworthiness certificate is experimental category (research & development), dated July 16, 2016.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N175FR.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N175FR.

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.