Hiller UH-12E
N4029S is a Hiller UH-12E, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1980. It has 4 seats. It is registered to Slikker Flying Service INC, a corporation in Buttonwillow, California. The registration is valid: it was issued on August 19, 2011 and expires on August 31, 2027. It holds a restricted airworthiness certificate for agriculture and pest control, dated May 2, 1980.
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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-12E · all UH-12Es 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
- 5129
- 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 · Lycoming VO-540 SERIES · 310 hp
- Seats
- 4
- Year built
- 1980
- Cruising speed
- 72 mph
- Transponder code
- A4B7B3 (octal 51133663)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- August 19, 2011
- Expires
- August 31, 2027
- Last FAA action
- March 10, 2023
- Airworthiness
- RestrictedFAA airworthiness class code 3 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Agriculture and pest controlFAA certificate purpose code 1 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · May 2, 1980
- FAA region
- Western-PacificFAA region code 4 (the FAA regional office that handles the record). All codes
- FAA record id
- 00871074
Owner as the FAA publishes it
- Name
- Slikker Flying Service INC
- Type
- CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- PO Box 597
Buttonwillow, CA 93206-0597
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
Connections how N4029S 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
- Lycoming VO-540 series 110 aircraft with this engine series · 310 hp
- Type certificate 4H11 · held by Siam Hiller Holdings INC
- Slikker Flying Service INC 14 aircraft in the fleet
- Buttonwillow, CA 17 aircraft registered in this town
- Elk Hills-Buttonwillow Airport · L62
- California 27,610 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
- FAA orders naming the Lycoming VO-540 series 13 airworthiness directives
- Failure reports on the Lycoming VO-540 series 1 reports since 1995
The whole map of how records connect · these connections as data: /graph/aircraft/N4029S.json.
Records check free · 2 to understand · 3 clear
The public federal record on N4029S, 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 Slikker Flying Service INC, a corporation, certificate issued August 19, 2011, expires August 31, 2027. No fractional interest recorded. [1]
Restricted certificate for agriculture and pest control, dated May 2, 1980, consistent with the 1980 manufacture year. [1]
No earlier tail number is recorded against serial 5129 for this model in the deregistered file. [2]
N4029S was previously assigned to 1 other aircraft: Sikorsky S-65C3 (serial 65354, cancelled March 9, 1973). 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 N4029S: Accident on May 29, 1997 at Granby, NY: serious 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: Hiller UH-12E · operated under 137
failure of the pilot/owner to replace the torsional clutch as specified by the manufacturer, and subsequent failure of the helicopter's clutch, which resulted in a forced landing (autorotation). A related factor was: the encounter with trees in the emergency landing area.
Full record in plain English · Docket and reports at the NTSB
- 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