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N94515

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Hiller UH-12D · Lycoming VO-435 series

Open in FAA registry

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Registered owner
Hiller Aircraft Corp
Location
Firebaugh, CA
Owner type
Corporation
Serial number
1172
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Experimental, showing compliance
Airworthiness date
April 11, 1978
Certificate issued
April 18, 2022
Expires
April 30, 2029
Mode S code
AD2254
Hiller UH-12DAirframe model · 4 seats · 1 engine · 22 registeredTCDS 4H10Airframe · Hiller UH-12DTCDS E-279Engine · Lycoming VO-435 series

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming VO-435 model are included below.

On this page

Airworthiness directives that may apply · 48

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1966In forceSuperseded2026
See all 51 ADs

Information bulletins that may apply · 2

Advisory, not mandatory.

NTSB investigations · 1

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

NTSB CHI91LA205Accident · No injuriesLimited investigationFinal reportSavoy, ILThe pilot's failure to maintain tail rotor clearance from the ground. A related factor is the pilot's lack of total experience in helicopters.Jul 2, 1991 · Substantial damage

FAA incident reports · 3

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Incident 19920729043869IPwr Off Vert Land/Autorotate · Champaign-Urban, ILWhile demonstrating an autorotation landing pilot landed hard. Minor damaged to tail rotor blades.Jul 29, 1992 · Minor damageAccident 19910702025679APractice Training Manuevers · Champaign-Urban, ILPracticing quick stop maneuver. Tail rotor hit ground. Lost directional control. Set down hard to avoid spin.Jul 2, 1991 · Substantial damageIncident 19801018075189ISfl Autorotation · Champaign, ILZa pilot demonstrating autorotation with power recovery. Tail rotor struck the ground.Oct 18, 1980 · Minor damage

Service difficulty reports

No reports matched to N94515General aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Hiller UH-12D aircraft

STCs that may be installed · 64

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 64 STCs