Turbine helicopter

N187GS

1978 Homebuilt NH500MC

Registered No accidents on file
Built
1978
Serial
27-0280
Class
Turbine helicopter
Engines
Rolls-Royce 250-C20B
Status
Current as of October 2026
Registered owner
Co-owned · sign in to see
Based
Twisp, WA
Registration record

N187GS on the FAA register

Type
1978 Homebuilt NH500MC
Serial
27-0280
Engines
Rolls-Royce 250-C20B
Registered owner
Co-owned — the name of an individual registrant is shown to signed-in users. Sign in
Twisp, WA
Certificate issued
2025-11-20
Airworthiness date
2026-01-18
Registration expires
2032-11-30
Airworthiness class
Experimental · exhibition
Mode S (hex)
A15B54
Mode S (octal)
50255524
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2032-11-30
    Registration expires (renewal due).
  • 2026-01-18
    Airworthiness date on the current FAA record (experimental category (exhibition)).
  • 2025-11-20
    Certificate of registration issued as N187GS.
  • 1978
    Manufactured (1978).
Overview

About N187GS

N187GS is a 1978 Homebuilt NH500MC, serial number 27-0280. It is registered to co-owners in Twisp, Washington. The current certificate of registration was issued on November 20, 2025 and expires on November 30, 2032.

The FAA aircraft reference file describes the type as a turbine helicopter, one Rolls-Royce 250-C20B engine and 4 seats. Its airworthiness certificate is experimental category (exhibition), dated January 18, 2026.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N187GS.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N187GS.

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 Washington· 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.