Piper PA-18-150
N2521S is a Piper PA-18-150, a fixed-wing airplane with one motor with a piston engine, built in 1979. It has 2 seats. It is registered to an individual in Anchorage, Alaska. The registration is valid: it was issued on January 20, 2023 and expires on January 31, 2030. It holds a standard airworthiness certificate for normal; utility, dated June 20, 1979.
Aircraft
- Maker
- Piper
- Model
- PA-18-150 · all PA-18-150s and related versions
- Serial number
- 18-7909152
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Lycoming 0-320 SERIES · 180 hp
- Seats
- 2
- Year built
- 1979
- Cruising speed
- 97 mph
- Transponder code
- A26178 (octal 50460570)
Registration
- Status
- Valid registration
- Certificate issued
- January 20, 2023
- Expires
- January 31, 2030
- Last FAA action
- September 30, 2023
- Airworthiness
- Standard · Normal; Utility · June 20, 1979
- FAA region
- Alaskan
- FAA record id
- 00872962
Owner as the FAA publishes it
- Name
- Sieberts Soren K
- Type
- Individual
- Address
- 2025 Churchill Dr
Anchorage, AK 99517-1311
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.
Earlier use of this number 1
Records check free · 2 to understand · 3 clear
The public federal record on N2521S, 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.
Valid registration to Sieberts Soren K, an individual, certificate issued January 20, 2023, expires January 31, 2030. No fractional interest recorded. [1]
Standard certificate for normal; utility, dated June 20, 1979, consistent with the 1979 manufacture year. [1]
No earlier tail number is recorded against serial 18-7909152 for this model in the deregistered file. [2]
N2521S was previously assigned to 1 other aircraft: Cessna 337C (serial 3370821, cancelled January 21, 1975). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
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]
1 NTSB record under N2521S: Accident on May 6, 2004 at Kasilof, AK: no injuries, substantial damage. Details below. [4]
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.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Piper PA-18 · operated under 091
The pilot's inadequate compensation for wind conditions while landing, which resulted in an undershoot and an in-flight collision with terrain. Factors associated with the accident were a downdraft, and an embankment.
Search the NTSB's CAROL system for ANC04LA051 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 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