AD: MD Helicopters | 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-10.20.25

AirborneUnlimited-
10.14.25

Airborne-Unlimited-10.15.25

Airborne-NextGen-10.16.25

AirborneUnlimited-10.17.25

Fri, Mar 15, 2019

AD: MD Helicopters

AD NUMBER: 2019-05-04

PRODUCT: MDHI Model 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters.

ACTION: Final Rule.

SUMMARY:   This AD requires inspecting each main rotor blade (MRB) for a crack.

This AD was prompted by reports of cracked MRBs.

DATES: This AD is effective April 17, 2019.

COST: The FAA estimates that this AD affects 730 helicopters of U.S. Registry. Operators may incur the following costs in order to comply with this AD:

Labor costs are estimated at $85 per work-hour.

Inspecting one MRB requires about 0.1 work-hour, for an estimated cost per helicopter of $43 for the 705 MDHI Model 369-series and 500N helicopters (5 MRBs), $51 for the 25 MDHI Model 600N helicopters (6 MRBs), and a total estimated cost of $31,590 for the U.S. fleet per inspection cycle.

If required, replacing one MRB requires about 3 work-hours and parts cost about $13,000 for a total estimated cost of $13,255 per MRB.

FMI: AD

Advertisement

More News

Airborne 10.15.25: Phantom 3500 Confounds, Citation CJ3 Gen2 TC, True Blue Power

Also: Kodiak 100 Joins USFS, Innovative Solutions & Support Renamed, Gulfstream Selects Honeywell, Special Olympics Airlift The Phantom 3500 mockup made an appearance where the>[...]

Updated: Gryder Arrested On Gun Charge, Cites ‘Georgia Stand Your Ground’ Law

Incidents Allegedly Occured As Described in Police Report(s) 25-005809 and 25-005818 The name ’Dan Gryder’ is fairly well known to many in aviation.... Whether you like>[...]

Aero-News: Quote of the Day (10.18.25)

“Recent U.S. government policy updates emphasizing investment in domestic drone manufacturing align perfectly with our joint venture objectives, positioning us to meet critic>[...]

ANN's Daily Aero-Term (10.18.25): Final Approach Point

Final Approach Point The point, applicable only to a nonprecision approach with no depicted FAF (such as an on airport VOR), where the aircraft is established inbound on the final >[...]

Classic Aero-TV: Eyeing the Hawk

From 2023 (YouTube Edition): The Best of the Eighties in the Early Twenties It can be argued with confidence that the father of the Ultralight aircraft from which the Light-Sport A>[...]

blog comments powered by Disqus



Advertisement

Advertisement

Podcasts

Advertisement

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