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natops-changes-2015

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2015 NATOPS Manual Change Summary
LT Sarah “Sunshine” Melick
Purpose
To provide changes on major changes to the TH-57B/C NATOPS Manual.This training is not all inclusive and only consists of the major changes.Revision should be read cover to cover.Changes incorporate new reality for this aircraft; i.e. slow to spool and hot startsChanges also more closely align with Bell procedures and manuals
Terminology and Layout
TerminologyLand as soon as PracticableFCSSMASEBDMultiple changes to grammar and wordingStylistic changes to multiple Notes, Warnings and CautionsLayoutPreface and Chapter One have been standardized by NAVAIRChanges to Preface will not be entertainedReverse Video B/C for series is a software update
Chapter Two
Major overhaul of MINISTAB system descriptionThank ShiftyAssociated new MINSTAB terminologyRADALT referred to as the KRA-405(series)Old reference to seats with “adjustable lumbar” removed
Chapter Three
New primary/alternate fluids for Hydraulic System, Rotor Brake and Main Rotor Hub GripsNew protocol for servicing Engine OilRequirement to dry motor for 30 seconds before checking oil level to serviceReference to the “inside edge of the cap adapter” aka Weld Line for servicing only.Do use the dipstick to check the fluid level.
Chapter Four
Intentional operation in the transient range of any limit is prohibited.Minimum fuel reserve requirement is 10 gallonsSteady StateNfdefinedNg at idle now 63+/- 1%Gauge images now only contain the gauge markings (no limits)Power off Nr transient range eliminatedCrew requirement added for CAL/ExternalsProhibited Maneuvers changed:“Intentional entry into Vortex Ring State” changed to “Fully developed Vortex Ring State”60 degrees angle of bank removedAerobatic maneuvers still prohibited. AOB greater than 60 are considered aerobatic
Chapter Six
All NATOPS brief items consolidated into Chapter SixDynamic Rollover added as a NATOPS brief itemSpecial Instructions for Shipboard Ops and NVDs are spelled out in the NATOPS manual, but are only a bullet in the PCL.
Chapter Seven
Tail Rotor Oil-Check for visible oil level vice 1/8” above line.Major change to start sequenceDeceleration and Flight Idle check required for both twist gripsHydraulics check no longer its own check, now at the end of thePretakeoffchecks as a daggered item.
Chapter Nine
Major revisions to practice autorotation maneuver descriptions“Slow to Spool” alluded to15 second wait following power off maneuvers no longer requiredStability language still exists (Nf/Nr 60-65, Ng stabilized in idle range)Neutralizing pedals still requiredStill not allowed to exceed 40% torque on the run-upVoice procedures for tactics added
Chapter Ten
Come find me if you’re interested.
Chapter Eleven
Large discussion ofautorotativeaerodynamics added.Written by HITU IPs, meant to be readable and accessible for studentsPlease read it and have your students read it as wellMinor changes to dynamic rollover sectionDiscussion of LTE modified slightly
Chapter Twelve
Failures may not be accompanied by every indicationFUEL LOW/FUEL PRESSENG OUT light identified as engine ortach-gen failureENG CHIP delineated as “third or fourth” vice “any subsequent” chipTRANS CHIP maintenance criteria elaborated upon
Chapter Thirteen
Abort Start criteria elaboratedBattery voltage stabilized below 17 voltsEngine Oil pressure remains at 0Rotors not turning by 25% NgTransmission Oil Pressure not indicated by 30% NrAll old criteria remain
Chapter Fourteen
Restart-as required added to Engine Failure in FlightCollective-Lower standardizedCompressor Stall procedure modifiedEngine Restart procedure modifiedTail Rotor AUTHORITY may be lost ifNfis allowed to go below 80%.Shoulder Harness standardizedMain Generator Failure andLoadmeter/Voltmeter malfunction consolidated into one procedureLanding criteria eliminated from Smoke/Fume EliminationDirectional Gyro Failure guidance provided
Chapters Fifteen and Sixteen
Major overhaul to autorotation/egress EPsBAD NEWSNo longer the fleet underwater egress procedureGOOD NEWS!Much shorter and user friendly
Miscellaneous
Chapter SeventeenSWEEP check added and definedChapter Nineteen-We have weapons now!Just seeing if you’re paying attentionChapter Twenty-One: NATOPS EvaluationsPreflight no longer considered criticalPower Recovery Autorotation is considered criticalAll items considered critical SHALL beperformedPCLChanges to names of tabsWind envelopes removed
What’s coming next?
Read the manual cover to coverIf you have discrepancies, changes to recommend, DO IT NOW.If you don’t have an AIRS account, email me and I will submit it for you.Expanded checklist and briefing guide to be a signed instruction.RWOP revision
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