AD: MDHC | Aero-News Network
Aero-News Network
RSS icon RSS feed
podcast icon MP3 podcast
Subscribe Aero-News e-mail Newsletter Subscribe

Airborne Unlimited -- Most Recent Daily Episodes

Episode Date

Airborne-Monday

Airborne-Tuesday

Airborne-Wednesday Airborne-Thursday

Airborne-Friday

Airborne On YouTube

Airborne-Unlimited-10.27.25

AirborneNextGen-
10.28.25

Airborne-Unlimited-10.29.25

Airborne-Unlimited-10.30.25

AirborneUnlimited-10.17.25

Thu, Jul 03, 2003

AD: MDHC

AD NUMBER: 2003-08-51
MANUFACTURER: MD Helicopters, Inc.
SUBJECT: Airworthiness Directive 2003-08-51

SUMMARY: This AD applies to Model 369A, D, E, H, HE, HM, HS, F, and FF helicopters, with tail rotor blades, part number (P/N) 369D21640-501, 369D21641-501, 369D21642-501, 369D21643-501, 500P3100-101, 500P3100-301, 500P3300-501, or 500P3500-701, installed, certificated in any category.
To prevent a tail rotor blade pitch horn (pitch horn) from separating from the tail rotor blade, leading to an unbalanced condition, vibration, loss of tail rotor pitch control, and loss of directional control of the helicopter.
This airworthiness directive (AD) establishes a new retirement life of 400 hours time-in-service (TIS) for the tail rotor blades listed in the Applicability section.

FMI: http://ftp.atp.com/ADs/pdf/030851.pdfMD

Advertisement

More News

Aero-News: Quote of the Day (10.27.25)

“In recent years, park officials have observed a rise in illegal drone activity, which they attribute to the increasing affordability and availability of consumer drones. In >[...]

ANN's Daily Aero-Linx (10.27.25)

Aero Linx: Aeronautical Repair Station Association (ARSA) ARSA is devoted to the worldwide civil aviation maintenance industry—from its global corporations to the small, inde>[...]

NTSB Prelim: Lancair 320

During Cruise Flight At 4,500 Ft, The Engine Stopped Producing Power Without Any Warning On October 4, 2025, about 2130 central daylight time, a Lancair 320 airplane, N431M, was de>[...]

Airborne Programming Continues Serving SportAv With 'Airborne-Affordable Flyers'

With The eSPRG Only Weeks Away From Its Start Date, A-AF Will Help To Support Sport Flyers, Worldwide With the all-new and all-digital SportPlane Resource Guide getting ready for p>[...]

Airborne-Flight Training 10.23.25: PanAm Back?, Spirit Cuts, Affordable Expo

Also: USAF Pilots, Advanced Aircrew Academy, ATC Hiring, Hop-A-Jet Sues Pan American is attempting a comeback. Aviation merchant bank AVi8 Air Capital, alongside Pan American Globa>[...]

blog comments powered by Disqus



Advertisement

Advertisement

Podcasts

Advertisement

© 2007 - 2025 Web Development & Design by Pauli Systems, LC