Single-engine piston

N957CK

2025 Homebuilt SLING TSI

Registered No accidents on file
Built
2025
Serial
540SK
Class
Single-engine piston
Engines
Rotax 916 IS
Status
Current as of October 2026
Registered owner
Rsf Investors 2026 LLC (LLC)
Based
Carlsbad, CA
Registration record

N957CK on the FAA register

Type
2025 Homebuilt SLING TSI
Serial
540SK
Engines
Rotax 916 IS
Registered owner
Rsf Investors 2026 LLC
Carlsbad, CA
Certificate issued
2026-07-10
Airworthiness date
2025-05-08
Registration expires
2033-07-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
AD4EE4
Mode S (octal)
53247344
Seats (type)
4
Weight class
up to 12,499 lb
Kit
Sling Aircraft (Pty) Ltd SLING TSI
Status
Current as of October 2026
Registry history

Timeline

  • 2033-07-31
    Registration expires (renewal due).
  • 2026-07-10
    Certificate of registration issued as N957CK.
  • 2025-05-08
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N957CK

N957CK is a 2025 Homebuilt SLING TSI, serial number 540SK. The FAA register lists Rsf Investors 2026 LLC as the registrant in Carlsbad, California. The current certificate of registration was issued on July 10, 2026 and expires on July 31, 2033.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 916 IS engine and 4 seats. Its airworthiness certificate is experimental category (amateur-built), dated May 8, 2025.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N957CK.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N957CK.

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.