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Public Record · As of May 5, 2026

N11CU

Hiller UH-12D · 1957 View Type →

Status

Registration Valid

Type

Rotorcraft

Engine

LYCOMING VO-435 SERIES

Last Cert Issue

—

Aircraft Resources

Engine · Lycoming Engines → Search FAA TCDS for HILLER UH-12D →

01 /  Registration

Filed with the Federal Aviation Administration

Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N11CU.

Tail Number

N11CU

Serial Number

983

Make

HILLER

Model

UH-12D

Year of Manufacture

1957

Mfr / Model Code

4360118

Type Aircraft

Rotorcraft

Type Engine

Turbo-shaft

Engines

1

Seats

4

Engine Manufacturer

LYCOMING

Engine Model

VO-435 SERIES

Horsepower

260 hp

Weight Class

CLASS 1

Certification

Standard (+1 flag) · code 1N

Registrant

POCKRUS PAT B · Individual

Address

517 GRANT RD · MINERAL WELLS, TX 76067-8826

FAA Region

2 · County 363

Status

Registration Valid

Airworthiness Date

—

Cert Issue Date

—

Expiration Date

—

Last FAA Action

—

Mode S Hex (ICAO24)

A02A1F

Mode S (Octal)

50025037

Live position via ICAO24 A02A1F

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External services. Live tracks are unaffiliated with TallyAero or the FAA.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to HILLER UH-12D

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

  • May 18, 2005

    Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W Turboprop and Turboshaft Engines

    The FAA is adopting a new airworthiness directive (AD) for Rolls- Royce Corporation (RRC) (formerly Allison Engine Company) 250-B17B, - B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W turboprop and turboshaft engines that do not have turbine energy absorbing ring, RRC part number (P/N) 23035175, or an equivalent FAA- approved serviceable tur…

    Atlas AD 05-9660 → Federal Register ↗

  • Dec 6, 2000

    Airworthiness Directives; Siam Hiller Holdings, Inc. Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, UH-12E-L, UH-12L, and UH-12L4 Helicopters

    This amendment adopts a new airworthiness directive (AD), for Siam Hiller Holdings, Inc. (Hiller), formerly Rogerson Hiller Corporation, Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, UH- 12E-L, UH-12L, and UH-12L4 helicopters, that requires replacing all undrilled-shank bolts at pivoting joints in the control system linkage with drilled-shank bolts a…

    Atlas AD 00-30652 → Federal Register ↗

  • Aug 31, 2000

    Airworthiness Directives; Siam Hiller Holdings, Inc. Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, UH-12E-L, UH-12L, and UH-12L4 Helicopters

    This document proposes the adoption of a new airworthiness directive (AD) for Siam Hiller Holdings, Inc. (Hiller), formerly Rogerson Hiller Corporation, Model UH-12, UH-12A, UH-12B, UH-12C, UH- 12D, UH-12E, UH-12E-l, UH-12L, and UH-12L4 helicopters. The AD would require replacing all undrilled-shank bolts at pivoting joints in the control system linkage wit…

    Atlas AD 00-22283 → Federal Register ↗

  • Oct 8, 1997

    Airworthiness Directives; Hiller Aircraft Corporation Model UH- 12A, UH-12B, UH-12C, UH-12D, and UH-12E Helicopters

    This amendment supersedes an existing airworthiness directive (AD), applicable to Hiller Aircraft Corporation Model UH-12A, UH-12B, UH-12C, UH-12D, and UH-12E helicopters, that currently requires a dye penetrant inspection of the head of the main rotor outboard tension- torsion (T-T) bar pin for cracks; a visual inspection of the outboard T-T bar pin for pr…

    Atlas AD 97-26621 → Federal Register ↗

  • May 23, 1997

    Airworthiness Directives; Hiller Aircraft Corporation Model UH- 12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, CH-112, H-23A, H-23B, H- 23C, H-23D, H-23F, HTE-1, HTE-2, and OH-23G Helicopters

    This amendment supersedes an existing airworthiness directive (AD), applicable to Hiller Aircraft Corporation Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, CH-112, H-23A, H-23B, H-23C, H-23D, H- 23F, HTE-1, HTE-2, and OH-23G helicopters, and UH-12D and UH-12E helicopters converted to turbine engine power in accordance with Supplemental Type Certifica…

    Atlas AD 97-12856 → Federal Register ↗

  • Jun 8, 1995

    Airworthiness Directives; Hiller Aircraft Corporation Model UH- 12A, UH-12B, UH-12C, UH-12D, and UH-12E Helicopters

    This amendment adopts a new airworthiness directive (AD) that is applicable to Hiller Aircraft Corporation (Hiller) Model UH-12A, UH- 12B, UH- [[Page 30185]] 12C, UH-12D, and UH-12E helicopters. This action requires a dye-penetrant inspection of the head of the main rotor outboard tension-torsion (T-T) bar pin for cracks; a visual inspection of the outboard…

    Atlas AD 95-13410 → Federal Register ↗

Advisory Circulars naming this type

FAA guidance that explicitly references HILLERUH-12D

04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Related

More on Hiller UH-12D in the Atlas

Hiller UH-12D type page → — 22 registered · 6 ADs · 8 NTSB records

Other Hiller UH-12D aircraft

N105HH N106HH N26PE N2770 N28801 N3269F N374H N47063

Recent NTSB events · this type

Search the full US registry → · All airworthiness directives → · Accident & safety surface →

06 /  Sources & Methodology

Every fact on this page links to its primary US-government source

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.