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N100LM

Registration Valid · Rotorcraft · FAA registry as of Sep 21, 2026

About this data

Hiller UH-12E · Engine ALLISON 250-C20 SER · Last cert issue — Type page

Resources Engine · Rolls-Royce M250 (Allison) ↗ Search FAA TCDS for HILLER UH-12E ↗

Registration

Each value links to the FAA registry record for N100LM.

Tail Number

N100LM

Serial Number

1583

Make

HILLER

Model

UH-12E

Year of Manufacture

—

Mfr / Model Code

4360122

Type Aircraft

Rotorcraft

Type Engine

Reciprocating

Engines

1

Seats

4

Engine Manufacturer

ALLISON

Engine Model

250-C20 SER

Horsepower

420 hp

Weight Class

CLASS 1

Certification

Multiple (+3 flags) · code 6131

Registrant

HADDOCK FLYING SERVICE INC · Corporation

Address

1111 GORDIN RD · SALTERS, SC 29590

FAA Region

7 · County 089

Status

Registration Valid

Airworthiness Date

—

Cert Issue Date

—

Expiration Date

—

Last FAA Action

—

Mode S Hex (ICAO24)

A005BA

Mode S (Octal)

50002672

Live position via ICAO24 A005BA ADS-B Exchange ↗ FlightAware ↗ FlightRadar24 ↗ External services, unaffiliated with TallyAero or the FAA.

NTSB records · 3

Airworthiness directives · HILLER UH-12E · 10

  • Aug 20, 2025

    Airworthiness Directives; Siam Hiller Holdings, Inc.

    The FAA is adopting a new airworthiness directive (AD) for certain Siam Hiller Holdings, Inc. (Siam Hiller), Model UH-12E (Army OH-23G and H-23F) and UH-12E-L helicopters. This AD was prompted by reports of cracks found in a main rotor (M/R) transmission drive shaft (drive shaft). This AD requires inspecting certain M/R drive shafts for a crack, prohibits i…

    AD 2025-15839 Federal Register ↗
  • Jan 14, 2025

    Airworthiness Directives; Siam Hiller Holdings, Inc, Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for Siam Hiller Holdings, Inc. (Siam Hiller), Model UH-12E (Army OH-23G and H-23F) and UH-12E-L helicopters. This proposed AD was prompted by reports of cracks found in a main rotor (M/R) transmission drive shaft (drive shaft). This proposed AD would require inspecting certain M/R drive shafts for…

    AD 2025-00588 Federal Register ↗
  • 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…

    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…

    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…

    AD 00-22283 Federal Register ↗
  • Apr 25, 2000

    Airworthiness Directives; Allison Engine Company 250-C18 and -C20 Series Turboshaft Engines

    This document proposes to adopt a new airworthiness directive (AD), applicable to Allison Engine Company 250-C18 and -C20 series turboshaft engines. This proposal would require a one-time visual inspection of the fuel nozzle screen for contamination. If contamination is found, this proposal would require, prior to further flight, replacement of the fuel noz…

    AD 00-10291 Federal Register ↗
  • Dec 3, 1998

    Airworthiness Directives; Allison Engine Company 250-B and 250-C Series Turboshaft and Turboprop Engines

    This amendment adopts a new airworthiness directive (AD), applicable to certain Allison Engine Company 250-B and 250-C series turboshaft and turboprop engines, that requires replacing existing beryllium copper main fuel control (MFC) bellows assemblies with Inconel 718 stainless steel welded MFC bellows assemblies. This amendment is prompted by reports of l…

    AD 98-31702 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…

    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…

    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…

    AD 95-13410 Federal Register ↗

Advisory circulars naming HILLER UH-12E

Service difficulty reports

The FAA does not currently expose a public API for Service Difficulty Reports. Search the FAA SDR portal ↗

Hiller UH-12E type page — 101 registered · 10 ADs · 74 NTSB records

Other Hiller UH-12E aircraft N102BB N104HH N1151L N119NR N129HA N12UH N130HA N132HA

Recent NTSB events · this type

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Sources

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