Hiller UH-12A
N57U is a Hiller UH-12A, a rotorcraft with a piston engine (a helicopter or multicopter). It has 4 seats. It is registered to co-owned owners in Rapid City, South Dakota. The registration is valid: it was issued on May 25, 2022 and expires on May 31, 2029. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Hiller
- Model
- UH-12A · all UH-12As and related versions
- Built of
- steel tube and aluminiumA welded steel-tube frame carries the loads, with aluminium (and some fibreglass) skins over it. This is how the Hiller UH-12 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 286
- Type
- RotorcraftFAA type of aircraft code 6 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor
- Seats
- 4
- Year built
- Not given
- Cruising speed
- 63 mph
- Transponder code
- A74DD2 (octal 51646722)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- May 25, 2022
- Expires
- May 31, 2029
- Last FAA action
- August 4, 2023
- Airworthiness
- None on file · July 13, 1963
- FAA region
- Great LakesFAA region code C (the FAA regional office that handles the record). All codes
- FAA record id
- 00390496
Owner as the FAA publishes it
- Name
- Patten Jeffery D
- Type
- Co-ownedFAA type of owner code 4 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 224 e Saint Joseph St
Rapid City, SD 57701-2917 - Co-owners
- Patten Sandra L
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.
Connections how N57U links to the rest of the register
- Hiller UH-12 217 registered
- Hiller 242 aircraft on the register
- Built of steel tube and aluminium · as the model family is built; the register does not record it per aircraft
- Type certificate 6H1 · held by Siam Hiller Holdings INC
- Rapid City, SD 152 aircraft registered in this town
- Rapid City Regional · RAP
- South Dakota 2,276 aircraft registered
- FAA orders naming the Hiller UH-12 60 airworthiness directives
- Failure reports filed on the Hiller UH-12 65 reports since 1995
- Approved modifications for the Hiller UH-12 112 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/aircraft/N57U.json.
Records check free · 1 to understand · 4 clear
The public federal record on N57U, 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 Patten Jeffery D, a co-owned, certificate issued May 25, 2022, expires May 31, 2029. No fractional interest recorded. [1]
No airworthiness certificate is on file. Usual for a newly registered aircraft, a project, or an aircraft that has not flown since a change of registration; ask for the certificate. [1]
No earlier tail number is recorded against serial 286 for this model in the deregistered file. [2]
No other airframe has carried N57U according to the deregistered file. [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 N57U. 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 23, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 23, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 23, 2026. registry.faa.gov/
- 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 23, 2026. See this record on the FAA site · This record as data