Single-engine piston

N1944K

2020 Homebuilt S-51

Registered No accidents on file
Built
2020
Serial
156
Class
Single-engine piston
Engines
Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
Mustang Sally LLC (LLC)
Based
Kalispell, MT
Registration record

N1944K on the FAA register

Type
2020 Homebuilt S-51
Serial
156
Engines
Ama/Expr UNKNOWN ENG
Registered owner
Mustang Sally LLC
Kalispell, MT
Certificate issued
2025-06-05
Airworthiness date
2020-12-06
Registration expires
2032-06-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A179F5
Mode S (octal)
50274765
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Stewart 51 Inc S-51D
Status
Current as of October 2026
Registry history

Timeline

  • 2032-06-30
    Registration expires (renewal due).
  • 2025-06-05
    Certificate of registration issued as N1944K to the current registrant.
  • 2020-12-06
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2013-08-07
    N1944K previously assigned to a Luscombe 8E (s/n 4671); cancelled.
Overview

About N1944K

N1944K is a 2020 Homebuilt S-51, serial number 156. The FAA register lists Mustang Sally LLC as the registrant in Kalispell, Montana. The current certificate of registration was issued on June 5, 2025 and expires on June 30, 2032.

The FAA aircraft reference file describes the type as a single-engine piston, one Ama/Expr UNKNOWN ENG engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated December 6, 2020.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N1944K.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N1944K.

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

Same state

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Browse: Aircraft registered in Montana· 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.