Documents

Note: Below you will find PDF copies of our informational brochures, maintenance manuals, STC's and more. Every effort is made to ensure the documents here are the most up-to-date versions available, but please feel free to contact us to verify if you have any questions.

Clicking any button will open the document in a new tab on your browser, if you wish to save a local copy just right-click on the button and choose the Save link as... option.

Brochures

NEW! MD 600N HEC Duel Cargo Hook System ( 1 MB )

MD 500 HEC Duel Cargo Hook System ( 582 KB )

Remote Cargo Hook ( 580 KB )

Model 202-2 Primary Cargo Hook ( 562 KB )

Model 606 - Cargo Hook Suspension Assembly ( 538 KB )

Model 909 Primary Cargo Hook ( 636 KB )

Model 6111 Primary Cargo Hook ( 503 KB )

Primary Cargo Hook Manuals

Model 202-1 Maintenance Manual - Rev A

Model 202-2 Maintenance Manual - Rev A ( 8 MB )

Model 303 Maintenance Manual - Rev B ( 108 KB )

Model 606 Maintenance Manual - Rev B ( 250 KB )

Model UH606 Cargo Hook Assembly ICA - Rev A ( 508 KB )

Model 909 ICA - MSI-MNL020, Rev I/R ( 962 KB )

Model 6111 Maintenance Manual - Rev C ( 1 MB )

Remote Cargo Hook Manuals

Model 301 Maintenance Manual - Rev C ( 808 KB )

Model 601 Maintenance Manual - Rev E ( 1 MB )

Model 901 Maintenance Manual - Rev B ( 1 MB )

Model 1201 Maintenance Manual - Rev A ( 646 KB )

Other Manuals

Model 369 HEC Manual - Rev E ( 5 MB )

Note: Click on any of the listed titles to open them in a new browser tab, or right-click and choose the Save link as… option to save a copy to your own device.

Flight Manual Supplements

Model 606 Flight Manual Supplement ( 132 KB )

MD 369D/E/F/FF HEC FMS - RevA ( 917 KB )

Safety Notices

Model 909 MS-909-SN-1 ( 559 KB )

Service/Technical Bulletins

MS-909-SB-2 (909 Load Beam Improvement) ( 210 KB )

SB-11-02 (Keeperless Modification) ( 244 KB )

TB-301-20-01 (Keeperless Modification) ( 191 KB )

TB-601-20-01 (Keeperless Modification) ( 133 KB )

TB-901-20-01 (Keeperless Modification) ( 133 KB )

Supplemental Type Certificates

Bell STCs

SR00632SE - Primary Cargo Hook Model 606 for – Bell 204B, 205A, 205A-1, 212, 412, 412EP ( 87 KB )

SR09168RC - Primary Cargo Hook Model 303 for – Bell 206B ( 54 KB )

SR02126SE - Primary Cargo Hook Model 606 for – Bell 204B, 205A, 205A-1, 212, 412, 412EP ( 79 KB )

SR02493SE - Primary Cargo Hook 202 for MD 369, 500N, 600N ( 313 KB )

SR09318RC - Global Spar Vertical Fin for Bell 204B ( 116 KB )

SR09316RC - Global Spar Vertical Fin for UH-1B, SW204, SW204HP ( 225 KB )

SR09313RC - Global Spar Vertical Fin for Bell – Various ( 160 KB )

SR09257RC - Global Spar Vertical Fin for Bell – Various Additional ( 295 KB )

SR01991SE-SCUPPER - Installation of Scupper Assembly for Bell 206A, 206B ( 298 KB )

Sikorsky STCs

SR02617SE - Primary Cargo Hook Model 909 for – UH60/S-70 ( 154 KB )

SR01739SE - Primary Cargo Hook Model 6111 For Sikorsky S-61N ( 37 KB )

SR00465SE - Primary Cargo Hook Model 6111 for – Sikorsky S-61N ( 57 KB )

SR01946SE - Primary Cargo Hook Model UH606 for – UH1H ( 91 KB )

SH98-1 - Primary Cargo Hook STC issued by Transport Canada for Sikorsky S-61N ( 748 KB )

SR01738SE - Installation of Primary Cargo Hook Model 6111 for – Sikorsky S61A direct replacement for Breeze Eastern ( 41 KB )

Note: Click on any of the listed titles to open them in a new browser tab, or right-click and choose the Save link as… option to save a copy to your own device.

McDonnell Douglas STCs

SR02713SE - Dual Cargo Hook HEC System for – MD Helicopter models 369D, 369E, 369F, 369FF, 500N, 600N ( 354 KB )

SR02493SE - Primary Cargo Hook Model 202-2 for – MD Helicopter models 369D, 369E, 369F, 369FF, 500N, 600N ( 313 KB )

Global Spar STCs

SR09318RC - Global Spar Vertical Fin for Bell 204B ( 116 KB )

SR09316RC - Global Spar Vertical Fin for UH-1B, SW204, SW204HP ( 225 KB )

SR09313RC - Global Spar Vertical Fin for Bell – Various ( 160 KB )

SR09257RC - Global Spar Vertical Fin for Bell – Various Additional ( 295 KB )

Customer Resources

Mechanical Specialties would love to be your #1 source for cargo hooks, custom fast-rope gantries, hook overhauls and any specialty engineering issues you may need to overcome. Our in-house design and manufacturing capabilities are robust and we enjoy challenges.

New customers, please download and complete the New Customer Set Up Form and email to ar@nwhelicopters.com so we can set up your account.

If you have sales, service, or engineering inquiries, use our online contact form.

Spares Lookup (Online Search)

New Customer Set Up Form ( 495 KB )

New Customer Form (complete online)

Credit Application ( 389 KB )

Purchase Order Quality Clauses R2 ( 741 KB )