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Aircraft record

N129ALAgusta S P A A109K2

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198217 ADs may apply2 service difficulty reports

Registration
Valid
expires Aug 31, 2029
Based in
Makaweli, HI
owner city / state
Engine
ARRIEL 1SER · 681 hp
Turbomeca
Owners
1
since 2019
NTSB events
None
since 1982
ADs may apply
17
confirm with A&P
Service reports
2
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Niihau Helicopters INC
Owner type
Corporation
City, state
Makaweli, HI
Certificate issued
Aug 5, 2019
Expires
Aug 31, 2029
Airworthiness
Standard · Normal
Airworthiness date
Jul 17, 1996

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Agusta S P A
Model
A109K2
Serial number
10029
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
8
Engines
2
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
H7EU
Mode S code
A0752C

Engine

Make and model
Turbomeca Arriel 1ser
Type
Turbo-shaft
Power
681 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2019 – nowNiihau Helicopters INCMakaweli, HI · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

ADs published since 1998 that may apply (17)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
2021-07-05Leonardo S.p.a. (Type Certificate Previously Held by Agusta S.p.A.) (Leonardo) HelicoptersApr 8, 2021Airframe (A109K2)Only with: Main rotor blade P/N 709-0103-01 (all dash numbers) installed.
2020-15-16Tail Rotor Drive SystemAug 27, 2020Airframe (A109K2)Only with: Tail rotor blade retention bolt P/N 709-0160-57-101 installed.
2018-06-51Agusta S.p.A. HelicoptersJun 7, 2018Airframe (A109K2)Only with: Swashplate support P/N 109-0110-05-101 installed.
2016-18-18Agusta S.p.A. HelicoptersOct 20, 2016Airframe (A109K2)Only with: Tail rotor drive shaft assembly P/N 109-8412-02-1 or 109-8412-02-3 installed.
2015-11-08Agusta S.p.A. (Agusta) HelicoptersJun 24, 2015Airframe (A109K2)
Show all 17 ADs
ADSubjectEffectiveApplies to
2015-05-52Agusta S.p.A. HelicoptersApr 29, 2015Airframe (A109K2)Only with: Tail rotor pitch control link P/N 109-0130-05-117 installed with 100 hours or less time-in-service since overhaul.
2014-23-02Agusta S.p.A. Helicopters (Type Certificate Currently Held by AgustaWestland S.p.A.)…Dec 26, 2014Airframe (A109K2)Only with: Main transmission P/N 109-0400-03-103, 109-0400-05-103, or 109-0400-03-109 with Gleason crown P/N 109-0403-07-103 installed.
2014-11-07Agusta S.p.A Helicopters (Type Certificate Currently Held by AgustaWestland S.p.A)…Jun 18, 2014Airframe (A109K2)Only with: Nut P/N MS21042-4 connecting the main rotor swashplate support to the upper case of the main transmission installed.
2014-09-01AgustaWestland S.p.A. (Type Certificate Previously Held by Agusta S.p.A.) (Agusta)…Jun 5, 2014Airframe (A109K2)Only with: Tail rotor blade retaining bolt P/N 109-8131-09-1 installed.
2013-20-51AgustaWestland S.p.A. (Agusta) HelicoptersOct 25, 2013Airframe (A109K2)Only with: With a tail rotor drive shaft flexible disc coupling (Thomas coupling) nut P/N MS21042L4 installed.
2011-17-01Agusta S.p.A. Model A109A, A109A II, A109C, and A109K2 HelicoptersSep 12, 2011Airframe (A109K2)
2004-15-21Agusta S.p.A. Model A109K2 HelicoptersAug 17, 2004Airframe (A109K2)Only with: Tail rotor trunnion assembly P/N 109-0131-05 (all dash numbers) installed.
2003-12-13Agusta S.p.A. Model A109K2 HelicoptersJul 11, 2003Airframe (A109K2)Only with: Tail rotor blades P/N 109-8132-01-107 with 1,500 or more hours TIS installed.
2001-24-07Agusta S.p.A. Model A109C, A109E, and A109K2 HelicoptersJan 7, 2002Airframe (A109K2)Only with: Main rotor blade P/N 709-0130-01 (all dash numbers) with blade S/N up to and including 1428 with prefix "EM-" or "A5-" installed.
99-04-20Agusta S.p.A. Model A109K2 HelicoptersMar 4, 1999Airframe (A109K2)Only with: Breeze-Eastern rescue hoist P/N BL29700 (all dash numbers) installed.
99-02-09Agusta S.p.A. Model A109C and A109K2 HelicoptersJan 15, 1999Airframe (A109K2)
98-13-28Agusta S.p.A. Model A109C and A109K2 HelicoptersJul 13, 1998Airframe (A109K2)Only with: Tail rotor blades P/N 109-8132-01-107, serial number A5-all dash numbers, installed.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (2)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Fuel · fuel cell · contaminatedOct 21, 2002

    PILOT REPORTS FILLING MAIN TANK THINKING IT IS FULL. AFTER A TIME GAUGES INDICATE LESS THAN FULL. INSPECTION OF INSIDE TANK THROUGH FILLER HOLE REVEALED DATA PLATE FROM FUEL PROBE COVERING THE FLANGE ASSY WHICH ALLOWS FUEL TO CROSSFEED TO OTHER TANK. REMOVED PLACARD, OPS NORMAL. RELAYED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · failedSep 30, 1998

    THE RELAYS THAT CONTROL EXTENTION, RETRACTION, AND ROTATION (AIM) ARC, AND THE POINTS EITHER MELT (FUSE) TOGETHER OR IN SOME CASES, HAVE TOTALLY VAPORIZED. THE LIGHT CANNOT BE AIMED ONCE THIS OCCURS. THE EMS NIGHT SCENE FLIGHTS. WHEN THE LIGHT FAILS THE DANGER OF CONTACT WITH OBSTACLES INCREASES.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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