Single-engine piston

N740MM

2020 Homebuilt SLING TSI

Registered No accidents on file
Built
2020
Serial
230SK
Class
Single-engine piston
Engines
Rotax 915 IS
Status
Current as of October 2026
Registered owner
Heyseed LLC (LLC)
Based
Salida, CO
Registration record

N740MM on the FAA register

Type
2020 Homebuilt SLING TSI
Serial
230SK
Engines
Rotax 915 IS
Registered owner
Heyseed LLC
Salida, CO
Certificate issued
2023-08-07
Airworthiness date
2020-12-11
Registration expires
2030-08-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A9F3A9
Mode S (octal)
52371651
Seats (type)
4
Weight class
up to 12,499 lb
Kit
Airplane Factory Inc SLING TSI
Status
Current as of October 2026
Registry history

Timeline

  • 2030-08-31
    Registration expires (renewal due).
  • 2023-08-07
    Certificate of registration issued as N740MM.
  • 2020-12-11
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N740MM

N740MM is a 2020 Homebuilt SLING TSI, serial number 230SK. The FAA register lists Heyseed LLC as the registrant in Salida, Colorado. The current certificate of registration was issued on August 7, 2023 and expires on August 31, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 915 IS engine and 4 seats. Its airworthiness certificate is experimental category (amateur-built), dated December 11, 2020.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N740MM.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N740MM.

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 Colorado· 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.