The U.S. aircraft register, updated daily
Registered aircraft · FAA record as of October 2, 2026
N991AP

Rick Sayles SLING 4/TSI

ValidFAA registration status code V: Valid registration. All codesNew Hampshire

N991AP is a Rick Sayles SLING 4/TSI, a fixed-wing airplane with one motor with a piston engine, built in 2021. It has 4 seats. It is registered to Occom Properties INC, a corporation in Nashua, New Hampshire. The registration is valid: it was issued on September 29, 2021 and expires on September 30, 2028. It holds an experimental airworthiness certificate for amateur built, dated January 12, 2022.

Aircraft

Maker
Rick Sayles
Model
SLING 4/TSI
Serial number
234SK
Type
Fixed-wing, single engineFAA type of aircraft code 4 (the FAA's broad category for the airframe). All codes
Power
Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). All codes, 1 motor · Rotax 915 IS · 135 hp
Seats
4
Year built
2021
Kit
AIRPLANE FACTORY SLING 4 TSI
Transponder code
ADD668 (octal 53353150)

Registration

Status
Valid registrationFAA registration status code V (whether the registration certificate is in force). All codes
Certificate issued
September 29, 2021
Expires
September 30, 2028
Last FAA action
June 10, 2023
Airworthiness
ExperimentalFAA airworthiness class code 4 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · Amateur builtFAA certificate purpose code 2 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · January 12, 2022
FAA region
New EnglandFAA region code E (the FAA regional office that handles the record). All codes
FAA record id
01346909

Owner as the FAA publishes it

Name
Occom Properties INC
Type
CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). All codes
Address
159 Main St Ste 100
Nashua, NH 03060-2725

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Records check free · 0 to understand · 5 clear

The public federal record on N991AP, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.

CLEARRegistration and identity

Valid registration to Occom Properties INC, a corporation, certificate issued September 29, 2021, expires September 30, 2028. No fractional interest recorded. [1]

CLEARAirworthiness certificate

Experimental certificate for amateur built, dated January 12, 2022, consistent with the 2021 manufacture year. [1]

CLEARPrior registrations of this airframe

No earlier tail number is recorded against serial 234SK for this model in the deregistered file. [2]

CLEARTail number reuse

No other airframe has carried N991AP according to the deregistered file. [2]

NOTERecent registry documents

No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]

CLEARAccident and incident record

No NTSB investigation records located under N991AP. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]

PENDINGTitle chain, liens and 337 forms

These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.

PENDINGAirworthiness directives and utilization

AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.

CLEAR the source was checked and shows no adverse findingATTENTION a fact a buyer or lender should understand, often routineNOTE context onlyPENDING covered by the full report
  1. FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
  2. FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
  3. FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
  4. NTSB aviation accident database (CAROL), records through September 30, 2026. data.ntsb.gov/carol-main-public/basic-search

This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data