Eurocopter AS 350 B3
N312SD is an Eurocopter AS 350 B3, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 2006. It has 6 seats. It is registered to Harris County Sheriffs Office, a government body in Spring, Texas. The registration is valid: it was issued on August 20, 2019 and expires on August 31, 2029. It holds a standard airworthiness certificate for normal, dated February 23, 2007.
Aircraft
- Maker
- Eurocopter
- Model
- AS 350 B3 · all AS 350 B3s and related versions
- Serial number
- 4101
- Type
- Rotorcraft
- Power
- Turboshaft, 1 motor · Turbomeca ARRIEL 2B1 · 747 hp
- Seats
- 6
- Year built
- 2006
- Transponder code
- A34FD3 (octal 50647723)
Registration
- Status
- Valid registration
- Certificate issued
- August 20, 2019
- Expires
- August 31, 2029
- Last FAA action
- March 7, 2024
- Airworthiness
- Standard · Normal · February 23, 2007
- FAA region
- Southwestern
- FAA record id
- 00276589
Owner as the FAA publishes it
- Name
- Harris County Sheriffs Office
- Type
- Government
- Address
- Air Ops Section
8319 Thora Ln E3
Spring, TX 77379
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 · 1 to understand · 4 clear
The public federal record on N312SD, 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 Harris County Sheriffs Office, a government body, certificate issued August 20, 2019, expires August 31, 2029. No fractional interest recorded. [1]
Standard certificate for normal, dated February 23, 2007, consistent with the 2006 manufacture year. [1]
No earlier tail number is recorded against serial 4101 for this model in the deregistered file. [2]
N312SD was previously assigned to 1 other aircraft: Bell UH-1H (serial 66-01052, cancelled November 21, 2011). 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]
No NTSB investigation records located under N312SD. CLEAR means the query ran and returned nothing, not that nothing ever happened. [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.
- 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