Single-engine piston

N991AP

2021 Homebuilt SLING 4/TSI

Registered No accidents on file
Built
2021
Serial
234SK
Class
Single-engine piston
Engines
Rotax 915 IS
Status
Current as of October 2026
Registered owner
Occom Properties Inc (Corporation)
Based
Nashua, NH
Registration record

N991AP on the FAA register

Type
2021 Homebuilt SLING 4/TSI
Serial
234SK
Engines
Rotax 915 IS
Registered owner
Occom Properties Inc
Nashua, NH
Certificate issued
2021-09-29
Airworthiness date
2022-01-12
Registration expires
2028-09-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
ADD668
Mode S (octal)
53353150
Seats (type)
4
Weight class
up to 12,499 lb
Kit
Airplane Factory SLING 4 TSI
Status
Current as of October 2026
Registry history

Timeline

  • 2028-09-30
    Registration expires (renewal due).
  • 2022-01-12
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2021-09-29
    Certificate of registration issued as N991AP.
Overview

About N991AP

N991AP is a 2021 Homebuilt SLING 4/TSI, serial number 234SK. The FAA register lists Occom Properties Inc as the registrant in Nashua, New Hampshire. The current certificate of registration was issued on September 29, 2021 and expires on September 30, 2028.

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 January 12, 2022.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N991AP.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N991AP.

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 New Hampshire· 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.