| Tail Number / N-Number | N53LL |
| Manufacturer | SPORTINE AVIACIJA IR KO |
| Model | LAK-17B FES |
| Year Built | 2015 |
| Manufacturer's Serial Number | 237 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | OCONNOR GERALD P |
| Street | 2704 SUMMIT ST |
| City | BETHEL PARK |
| State | PA |
| Zip Code | 15102-2028 |
| Region | Eastern |
| County | Allegheny County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2016-03-10 |
| Certificate Issue Date | 2019-11-08 |
| Last Action Date | 2022-06-14 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51527431 |
| Mode S Code Hex | A6AF19 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N53LL.
| Tail Number / N-Number | N53LL |
| Manufacturer | BELL |
| Model | 47G-3B-1 |
| Year Built | 1965 |
| Manufacturer's Serial Number | 3445 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TV0-435 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 280 hp (209 kW) |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HELICOPTERS WEST LLC |
| Street | 15235 N 77TH DR |
| City | PEORIA |
| State | AZ |
| Zip Code | 85381-3408 |
| County | Allegheny County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-03-15 |
| Certificate Issue Date | 2008-03-05 |
| Last Action Date | 2008-03-05 |
| Last Status | Valid Registration |
| Cancellation Date | 2010-09-08 |
| Exported To | MEXICO |