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Apache: Replacing the Midframe Oil Drain Tube Coupling Nut
By | May 25, 2022
Mechanics, you spoke and the Apache T700 Office listened. You suggested that the field could repair the B Nut (PN R197P04) on the engine cold section module (CSM), instead of purchasing a new CSM, and save money. Here's what...

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Apache: Stand Protects Searchlight
By | April 13, 2022
Mechanics, PS Magazine published an article back in February 2009 (Pages 36-38 of PS 675) about the challenges of removing the searchlight underneath the nose of the AH-64D due to the delicate nature of the equipment if...

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AH-64: Use Correct Multi-Meter for Circuit Check
By | Feb. 4, 2022
Mechanics, when performing continuity checks on the S39 circuit continuity switch-box, use the Fluke® 27-II multimeter. Here’s why...

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All Aircraft: Pick the Right Type and Number of Jacks
By | Jan. 28, 2022
Mechanics, aircraft jacks are vital for maintenance on your helicopter. They’ve been around for years and gone through a lot of changes. Some have been put out to pasture while others have been neglected. This article offers...

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HH/UH-60M, AH-64E, CH-47F: Get Familiar with Fiber Optic Care
By | Dec. 29, 2021
Initial note: This article applies to deploying or deployed units only. Aviation maintainers/electricians, to ensure aircraft are more survivable against threat missiles, the Project Office Aircraft Survivability Equipment...

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AH-64: Reprogramming the Mast Mounted Assembly
By | Dec. 21, 2021
The Apache helicopter has many complicated computerized parts. In the Jul 21 Apache newsletter, issue 96, it states that the mast mounted assembly (MMA) electronically erasable programmable read-only memory (EEPROM), NSN...

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All Aircraft: Cold Weather Prep, Icing and Winter Hazards
By | Dec. 6, 2021
Wintery weather brings many maintenance challenges, so make sure you’re on top of cold weather operations by thinking about environmental factors, operational procedures, training and hazards. Two Flightfax articles will help...

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UH-60/AH-64: The Nuts and Bolts of Quick Disconnect Pins
By | Nov. 5, 2021
Aviation maintenance action messages (AMAMs) H-60-20-AMAM-03 and H-64-20-AMAM-04 require that all Apache and Black Hawk engines have remaining quick disconnect pins (QDPs) on the anti-ice valve and the T700 hydro-mechanical...

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T700 Engines: Field Repair of B Nut Authorized
By | Nov. 5, 2021
Mechanics, The T700 Office has determined that field repair of the B nut on the cold section module (CSM) is a cost savings over procuring a new cold section module. Follow these maintenance engineering orders (MEOs)...

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All Aircraft: Be Prepared for Cold Weather
By | Oct. 25, 2021
When winter weather extremes hit you and your aircraft with frigid temps, snow, ice and wind, even preventive maintenance (PM) defensive measures may be too little, too late...

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AH-64/UH-60: Stop Duplicate Unique Item Identifiers in TAMMS-A/MCDS
By | Sept. 17, 2021
Mechanics, components on the Apache and Black Hawk should not have duplicate unique item identifiers in The Army Maintenance Management System-Aviation Maintenance Consolidated Database System (TAMMS-A/MCDS)...

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HOT ITEM - Rotary-Wing Aircraft: Configure Mode S / ADS-B Out Properly
By | Sept. 1, 2021
MUST READ! - Mechanics, during maintenance on the APX-123/APX-123A Mode 5 transponder, the aircraft-assigned default Mode S can be zeroized or “set to factory default.” Units are subsequently not ensuring that the default...

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AH-64D/E: Protecting Your TADS/PNVS Time Delay Unit
By | Aug. 20, 2021
Mechanics and operators, if you’re seeing screen degradation on the Target Acquisition Designation Sight/Pilot Night Vision Time Delay Unit (TADS/PNVS TDU), that’s a sign of a breakdown in the polarization layer of the unit...

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Apache: CCAD Needs Unserviceable Carrier Drive Assemblies
By | Aug. 10, 2021
Apache armament maintainers, check your back shops and work locations for unserviceable carrier drive assemblies, NSN 1005-01-221-7602. Corpus Christi Army Depot (CCAD) needs them. Right now, CCAD has zero unserviceable...

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AH-64D/E: Bad or Loose Connectors Cause Problems
By | Aug. 4, 2021
According to the Apache Sensors Project Office, maintainers are encountering poor Manned Un-Manned Teaming (MUMT) signal strength on systems that check out with a test set, while pilots are reporting having bad video in the...

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Apache: Stay in Touch with Transportability Team
By | Aug. 2, 2021
​The Apache Project Management (PM) Transportability Team (APMTT) provides support to Apache units requiring movement. This includes preparing equipment, providing a transportability technician and conducting training and...

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Apache: Use DA Form 2028 for IETM Improvements
By | Aug. 2, 2021
Soldiers, the Apache IETM group appreciates the contributions you’ve made to improve the Apache TMs. So if you have a suggestion or recommendation for a problem you see with an IETM, the pubs group wants to hear from you...

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Apache: Looking for Aviation Survivability Equipment Support?
By | July 23, 2021
Mechanics, if you’re having problems with your aviation survivability equipment (ASE) and need support then PM ASE is the place to go for help. They want you to reach out to them anytime for assistance with all of your ASE...

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UH-60/AH-64: Follow Proper Engine Operation and Care
By | Feb. 25, 2021
Mechanics, operating the T700-701 engine with the engine inlet plugs installed is asking for trouble. Always follow the engine TM when performing engine maintenance. Check out WP 0302 in TM 1-2840-248-23&P (Oct 19). The title...

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Aviation:Ship AVR-2B Security Key With Comparator Module
By | Feb. 24, 2021
This article initially appeared in PS 726, pp. 24-26. Black Hawk, Kiowa Warrior and AH-64 crew chiefs, do you want to save $8,800 of your cold hard cash? Then follow these instructions! Too many AVR-2B laser detecting sets...

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AH-64/H-60: T700 Engine Training Available
By | Feb. 4, 2021
The 2021 T700 engine training courses are open. The class is designed for maintainers, troubleshooters, quality control and support personnel. Organizations should consider their deployment schedule and who they want to...

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Apache: Get Familiar with MUMT with Two Guidebooks
By | Jan. 7, 2021
In a continuing effort to address gaps in Manned Unmanned Teaming (MUMT) training, the Apache Sensors Product Office produced both the Manned Unmanned Teaming MUMT-2 and MUMT-X Pilot Guide and Manned Unmanned Teaming MUMT-2...

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Apache: Turn in Unserviceable Parts For Repair
By | Jan. 4, 2021
Getting broken Apache parts repaired is important to keep your aircraft mission ready. But it’s also important to turn in parts when they’re unserviceable. Check your area and back shops for these parts in particular: ...

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Apache: How to Get the Newsletter
By | Nov. 17, 2020
If you work on Apache aircraft, make a note that starting with Issue 92, all newsletter editions will be digital only. There will be no printed editions or mail outs to units...

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H-60, AH-64, AGPU: New Hydraulic Filters Reduce Failures
By | Oct. 23, 2020
This article initially appeared in PS 786 (May 18), pp. 38-39. When hydraulic filters don’t do their job, it leads to system contamination, component failure and flight safety concerns...

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Apache: Sustaining IHADSS Equipment
By | Oct. 22, 2020
Armament maintainers, if you’re sustaining AH-64Ds that are not equipped with Integrated Helmet and Display Sighting System (IHADSS)-21s, you should only order the legacy IHADSS line replaceable unit (LRU) NSNs...

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AH-64D/E: Folding Blades and Aircraft Transport
By | Sept. 28, 2020
Folding Apache blades and transporting aircraft isn’t as simple as it seems. That’s why it’s important to have the right tools and support. Aircraft transportability equipment and limited blade fold kits are managed by the...

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Apache: New Fuel Tanks Coming
By | Aug. 27, 2020
If you haven’t heard, a new reduced-sized crashworthy external fuel system (RCEFS), NSN 1560-01-564-2584, is coming to your AH-64E aircraft...

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Apache: Turn-ins Reduce Repair Parts Shortage
By | Aug. 7, 2020
Mechanics, AMCOM repair programs need your help!  When Apache parts are unserviceable, it’s crucial that units turn them in for repair in a timely manner.  The supply system can only meet the demand for parts when it has...

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Apache: Ship Servocylinders in Original Containers
By | July 31, 2020
When you receive a new servocylinder for your Apache, make sure you place the unserviceable servocylinder it’s replacing in that container and return it for repair or overhaul. Don’t use the containers for anything else!...

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Aircraft: FOD Control is a Must
By | July 8, 2020
Foreign object debris (FOD) is the culprit behind foreign object damage (FOD) to aircraft. FOD can come from the most unsuspecting places, like a pebble stuck in the sole of your boots, hardware that’s been left behind after...

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Aviation: Take Control of CORROSION
By | July 7, 2020
This article initially appeared in PS 800 (Jul 19), p. 25. Mechanics, aircraft multipin electrical connectors are the electrical interface between the aircraft and avionics systems. The failure of just one electrical...

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AH-64E: Keep Moisture Out of NIU
By | July 6, 2020
The AH-64E Apache’s nitrogen inerting unit (NIU), NSN 1560-01-587-1028, is designed to reduce oxygen in the aircraft’s fuel cells to prevent combustion...

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Apache/Longbow-Apache: Horizontal Stabilator Bearing Kit Available
By | June 26, 2020
Mechanics, a new horizontal stabilator bearing removal, installation and staking kit (DMT-1018), NSN 4920-01-680-4199, was developed to make it easier for you to replace the AH-64D/E pivot bearings...

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Aircraft: COVID-19 Disinfectant Recommendations
By | June 11, 2020
Protecting yourself, your aircraft and everyone around you in a COVID-19 environment is important. In this new normal dealing with COVID-19, it’s important to remind you of the approved cleaning solution for all aircraft to...

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Aviation: Dealing With Birds and Nests in Aircraft and Hangars
By | June 4, 2020
The old saying, “birds of a feather flock together,” is not just a turn of the phrase, but a reality that’s happening on and inside Black Hawks, Apaches, Chinooks and aircraft hangars. Any aircraft opening or perch is an...

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Apache: Keep the Birds Out
By | May 21, 2020
Crew chiefs, it’s that time of year again when those fine-feathered friends target your Apache and become stowaways to build nests for their little ones. Birds use whatever they can to make nests, such as grass, small pieces...

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Aircraft: Win the Battle of the Birds
By | May 19, 2020
The old saying, “Birds of a feather flock together,” is not just a saying, but it’s happening inside aircraft hangars. Birds love to set up shop inside hangars to nest and breed. They leave droppings, which is always a...

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Aircraft: Maintenance Situational Unawareness
By | May 11, 2020
Aircraft maintenance is very important for mission success and so is maintenance situational awareness. The two go hand-in hand. The US Army Aviation Center of Excellence and Fort Rucker published an article about maintenance...

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All Aircraft: Emergency Response Methodology
By | May 11, 2020
A recent US Army Aviation Center of Excellence (USAACE) analysis of mishaps showed a need for training in crew reactions to aircraft emergencies, especially when it comes to large-scale combat operations (LSCO) flight...

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AH-64: Keep Track of Your MUMT
By | April 28, 2020
This article initially appeared in PS 799 (Jun '19), p 24. Mechanics, aircraft transfers happen on a regular basis. Factors like model upgrades, transfers, or movement of aircraft into theater mean you need to know the...

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T700 Aircraft Engines: Inspect Cold Section Modules Before Turn-in
By | April 24, 2020
This article initially appeared in PS 800 (Jul 19), page 24. Mechanics, are you eyeballing the T701 engine’s cold section module (CSM) blades for erosion? That’s not good enough!...

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AH-64/UH/HH-60: Keep Feet Off Engines![
By | April 16, 2020
This article initially appeared in PS 794 pages 22-23. Mechanics, Black Hawk and Apache engines have delicate connectors and parts. So every time you step where you shouldn’t, stuff gets broken. And that defeats the purpose...

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T701D Engine: Inquiring Minds Have Questions
By | Feb. 11, 2020
Taking care of your engine is a daily task. Answers to questions you might have about the T701D engine can be found in TM 1-2840-248-23&P (Oct 19)...

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Apache: Ordering and Turning in Parts
By | Jan. 31, 2020
Mechanics, now that Apache parts such as the main rotor blades, E-model swash plates and MUMTs have transitioned off performance-based logistics (PBL), make sure you return serviceable or unserviceable components for...

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AGSE: New Tool Kit Available for Aircraft Armament Repairers
By | Jan. 22, 2020
This article initially appeared in Issue PS 801, pages 20-21. Aircraft armament mechanics, having the right tool is essential for good PM. MWO 1-1500-50-5 makes that possible by modernizing the three-box legacy Individual...

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AH-64: Be Mindful of M230 Gun Procedures
By | Jan. 22, 2020
This article initially appeared in Issue PS 800, pages 22-23. The primary method for uploading and downloading ammo into the AH-64D/E’s sideloader is AUTO MODE. The sideloader/magazine controller (SMC) manual mode is used...

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AGSE: Composite Repair Kits Have the Right Tools
By | Jan. 21, 2020
Airframe mechanics, having the right tools to make composite repairs is important. The K3000 composite repair kit, NSN 4920-01-628-2469, is a portable kit with specialized tools used to facilitate composite repairs while away...

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Apache: Mounting Trouble for AAG Antenna
By | Jan. 9, 2020
There’s an issue with improper mounting of the Manned-Unmanned Teaming (MUMT) lower Air-to-Air-to-Ground (AAG) antenna. In some units, the lower AAG antenna was mounted backwards, which can affect the MUMT operation. That’s...

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New T700 Engine IETM Now on Army Enterprise Portal
By | Dec. 19, 2019
Mechanics, the wait is over. The T700-GE-700/-701C/-701D engine's newest IETM, TM 1-2840-248-23&P (EM 0271, Oct 19), is now published. You can find it on the Army Enterprise Portal...

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M230 Automatic Gun: Target These Tips
By | Dec. 9, 2019
Target these tips to keep your M230 automatic gun on target, particularly in a desert environment:...

AH-64 Apache helicopter crew members assigned to Company D, 1st Battalion, 3rd Aviation Regiment (Attack Reconnaissance) conduct 500 hours phase maintenance on an AH-64 Apache helicopter at Katterbach Army Airfield, Germany, May 10, 2019. (U.S. Army photo by Charles Rosemond)
Apache: USB Interface Device Now Available
By | Nov. 18, 2019
If you haven’t received it yet, be on the lookout for the new MIL-STD-1553 Apache USB interface device, NSN 5995-01-668-2169 (PN ACS1553M, CAGE 644Y8). The Apache PM started distributing the device in mid-2019...

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Apache: Inspection Kits Now Available
By | Nov. 8, 2019
A lot of the angst dealt with the hours required to locate and gather parts for the 250-hour, 500-hour and six-month gun inspections. PM Apache answered those concerns with a series of kits that reduce the man-hours...

AH-64 Apache helicopter crew members assigned to Company D, 1st Battalion, 3rd Aviation Regiment (Attack Reconnaissance) conduct 500 hours phase maintenance on an AH-64 Apache helicopter at Katterbach Army Airfield, Germany, May 10, 2019. (U.S. Army photo by Charles Rosemond)
Apache: IR Harness Mixup Creates Return Credit Confusion
By | Nov. 5, 2019
Mechanics,Getting a return credit for turn-in goes much smoother when you include the item’s proper NSN and part number.Take the Apache IR harness, for example. A legacy IR harness, NSN 5995-01-186-8601 / PN 10078758-101...

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Apache: Helmet TM Now Available on ETM Website
By | Oct. 17, 2019
Looking for the TM for the Apache Aviator Integrated Helmet (AAIH)? The wait is over...