Textron Bell 206A Series User Manual

BHT-206A/B-SERIES-MM-1
NOTICE
The instructions set forth in this manual, as supplemented or modified by Alert Service Bulletins (ASB) or
other directions issued by Bell Helicopter Textron Inc. and Airworthiness Directives (AD) issued by the
applicable regulatory agencies, shall be strictly followed. This manual covers 206A, 206B, and 206B3
helicopters SN 4 through and including current production. TH-57/TH-67 helicopters are covered along
with the use of manual supplements. 206B1 helicopters are not covered by this manual.
FOR MODELS 206A, 206B, AND 206B3 HELICOPTERS
MAINTENANCE MANUAL
VOLUME 1
GENERAL INFORMATION
Export Classification C, ECCN EAR99
32672)),&(%2;)257:257+7(;$6
7 JANUARY 1998
REVISION 16 — 25 JUNE 2019
COPYRIGHT NOTICE
COPYRIGHT
201
BELL
® HELICOPTER TEXTRON INC.
AND BELL HELICOPTER TEXTRON
CANADA LTD.
ALL RIGHTS RESERVED

Textron Bell 206A Series Specifications

General

Brand	Textron
Model	Bell 206A Series
Category	Toy
Language	English

Summary

Maintenance Manual Volume 1

General Information

Provides foundational information about the manual and its scope.

Log of Revisions

Log of Pages

Lists all the pages included in the manual and their respective revision numbers.

Chapter 4 — Airworthiness Limitations Schedule

Airworthiness Limitations Schedule

Details the airworthiness limitations and schedules for helicopter components.

Tables

Introduces tables related to airworthiness limitations.

Chapter 5 — Inspections and Component Overhaul Schedule

Inspections and Component Overhaul Schedule

Outlines the scheduled inspections and component overhaul requirements for the helicopter.

Scheduled Inspections

Details the various scheduled inspections required for the helicopter's maintenance.

Progressive Inspections

5-16. 100-Hour Airframe Progressive Inspection — Event No. 1

Details the first event of the 100-hour airframe progressive inspection.

5-17. 100-Hour Airframe Progressive Inspection — Event No. 2

Details the second event of the 100-hour airframe progressive inspection.

5-19. 100-Hour Airframe Progressive Inspection — Event No. 4

Details the fourth event of the 100-hour airframe progressive inspection.

5-24. 300-Hour Airframe Progressive Inspection — Event No. 4

Details the fourth event of the 300-hour airframe progressive inspection.

5-26. 300-Hour Airframe Progressive Inspection — Event No. 6

Details the sixth event of the 300-hour airframe progressive inspection.

Periodic Inspection

5-27. 300-Hour Airframe Periodic Inspection

Outlines the 300-hour airframe periodic inspection requirements.

Scheduled Inspections

5-28. 100-Hour Inspection

Details the tasks for the 100-hour scheduled inspection.

5-29. 300-Hour Inspection

Outlines the tasks for the 300-hour scheduled inspection.

5-30. 1200-Hour Inspection

Details the tasks for the 1200-hour scheduled inspection.

5-33. 12-Month Inspection

Outlines the tasks for the 12-month scheduled inspection.

5-34. 12 Months of Component Operation

Details the scheduled inspections based on 12 months of component operation.

5-35. 24-Month Inspection

Outlines the tasks for the 24-month scheduled inspection.

5-36. 300 Hours or 6 Months of Component Operation

Details the scheduled inspections for 300 hours or 6 months of component operation.

5-37. 600 Hours of Component Operation

Outlines the tasks for the 600-hour component operation inspection.

5-38. 600 Hours or 12 Months of Component Operation

Details the scheduled inspections for 600 hours or 12 months of component operation.

5-39. 1200 Hours of Component Operation

Outlines the tasks for the 1200-hour component operation inspection.

5-41. 1500 Hours of Component Operation

Details the scheduled inspections for 1500 hours of component operation.

5-42. 1500 Hours of Component Operation and Every 50 Hours Thereafter

Outlines the inspections for 1500 hours or every 50 hours thereafter.

5-43. 2250 Hours or 60 Months of Component Operation

Details the scheduled inspections for 2250 hours or 60 months of component operation.

5-44. 3000 Hours of Component Operation

Outlines the tasks for the 3000-hour component operation inspection.

Special Inspections

5-45. Special Inspections

Lists the various special inspections to be performed on the helicopter.

5-46. After Fuel System Maintenance and/or Component Change

Details inspections required after fuel system maintenance or component changes.

5-47. 1 To 5 Hours After Each Installation

Outlines inspections to be performed 1 to 5 hours after component installation.

5-48. 3 To 8 Hours After Each Installation

Details inspections to be performed 3 to 8 hours after component installation.

5-49. 10 To 25 Hours After Each Installation

Outlines inspections to be performed 10 to 25 hours after component installation.

5-50. 100 Hours After Each Installation

Details inspections to be performed 100 hours after component installation.

Conditional Inspections

5-51. Conditional Inspections

Lists the types of conditional inspections that may be required for the helicopter.

5-52. Hard Landing

Details the inspection procedures following a hard landing incident.

5-53. Sudden Stoppage/Acceleration — Main Rotor — Power On or Off

Outlines inspections following a sudden stoppage or acceleration of the main rotor.

5-54. Sudden Stoppage/Acceleration — Tail Rotor

Details inspections following a sudden stoppage or acceleration of the tail rotor.

5-55. Overspeed Main Rotor — 114% or Greater

Outlines inspections following a main rotor overspeed event above 114% RPM.

5-56. Overtorque

Details inspections required following an overtorque event.

5-57. Engine Compressor Stall or Surge

Outlines inspections following an engine compressor stall or surge event.

5-58. Lightning Strike

Details inspections required after a lightning strike incident.

5-59. Engine Overtemp

Outlines inspections following an engine overtemperature condition.

5-60. Pylon Whirl

Details the procedure for a pylon whirl inspection.

Component Overhaul Schedule

5-41. Component Overhaul Schedule

Provides the overhaul intervals for various helicopter components.