Help is on the Horizon

Service Information Letters – Piston

Service Information Letter (SIL) is used to transmit information, recommendations, and general service instructions to the aircraft owner/operator and maintenance personnel.

The information provided in the SILs will be incorporated into the maintenance manual as needed at a later date.

Piston service information letters Piston SIL Index

    1. SIL0001
    2. SIL0002
    3. SIL0003_CXL
    4. SIL0004_CXL
    5. SIL0005
    6. SIL0006
    7. SIL0007
    8. SIL0008_CXL
    9. SIL0009
    10. SIL0010_CXL
    11. SIL0011_CXL
    12. SIL0012
    13. SIL0013
    14. SIL0014A
    15. SIL0015
    16. SIL0016-R1
    17. SIL0017
    18. SIL0018
    19. SIL0019
    20. SIL0020
    21. SIL0021
    22. SIL0022
    23. SIL0023_CXL
    24. SIL0024
    25. SIL0025
    26. SIL0026
    27. SIL0027A
    28. SIL0028_CXL
    29. SIL0029_CXL
    30. SIL0030
    31. SIL0031
    32. SIL0032
    33. SIL0033
    34. SIL0034
    35. SIL0035
    36. SIL0036
    37. SIL0037A
    38. SIL0038
    39. SIL0039
    40. SIL0040
    41. SIL0041_CXL
    42. SIL0042
    43. SIL0043
    44. SIL0044
    45. SIL0045
    46. SIL0046
    47. SIL0047
    48. SIL0048
    49. SIL0049_CXL
    50. SIL0050
    51. SIL0051
    52. SIL0052
    53. SIL0053_CXL
    54. SIL0054
    55. SIL0055_CXL
    56. SIL0056
    57. SIL0057
    58. SIL0058_CXL
    59. SIL0059
    60. SIL0060
    61. SIL0061
    62. SIL0062
    63. SIL0063
    64. SIL0064
    65. SIL0065
    66. SIL0066
    67. SIL0067
    68. SIL0068
    69. SIL0069
    70. SIL0070
    71. SIL0071_CXL
    72. SIL0072
    73. SIL0073A
    74. SIL0074R2 Drive Belt inspection 
    75. SIL0075A
    76. SIL0076_CXL
    77. SIL0077
    78. SIL0078
    79. SIL0079A
    80. SIL0080A
    81. SIL0081
    82. SIL0082
    83. SIL0083
    84. SIL0084
    85. SIL0085
    86. SIL0086
    87. SIL0087
    88. SIL0088A
    89. SIL0089
    90. SIL0090
    91. SIL0091A
    92. SIL0092
    93. SIL0093
    94. SIL0094
    95. SIL0095
    96. SIL0096
    97. SIL0097_CXL
    98. SIL0098
    99. SIL0099
    100. SIL0100
    101. SIL0101
    102. SIL0102
    103. SIL0103
    104. SIL0104
    105. SIL0105
    106. SIL0106
    107. SIL0107
    108. SIL0108
    109. SIL0109
    110. SIL0110B
    111. SIL0111
    112. SIL0112
    113. SIL0113
    114. SIL0114
    115. SIL0115
    116. SIL0116-R7
    117. SIL0117
    118. SIL0118
    119. SIL0119
    120. SIL0120
    121. SIL0121
    122. SIL0122
    123. SIL0123
    124. SIL0124
    125. SIL0125
    126. SIL0126
    127. SIL0127A
    128. SIL0128_CXL
    129. SIL0129
    130. SIL0130
    131. SIL0131
    132. SIL0132_CXL
    133. SIL0133
    134. SIL0134
    135. SIL0135
    136. SIL0136
    137. SIL0137_CXL
    138. SIL0138
    139. SIL0139-R1
    140. SIL0140
    141. SIL0141
    142. SIL0142-R1
    143. SIL0143
    144. SIL0144
    145. SIL0145
    146. SIL0146
    147. SIL0147-R1
    148. SIL0148
    149. SIL0149
    150. SIL0150-R1
    151. SIL0151
    152. SIL0152
    153. SIL0153
    154. SIL0154
    155. SIL0155-R1
    156. SIL0156
    157. SIL0157
    158. SIL0158 CXL
    159. SIL0159
    160. SIL0160
    161. SIL0161
    162. SIL0162
    163. SIL0163
    164. SIL0164
    165. SIL0165-R2 TR Pitch Link
    166. SIL0166
    167. SIL0167-R1
    168. SIL0168
    169. SIL0169
    170. SIL0170
    171. SIL0171
    172. SIL0172
    173. SIL0173
    174. SIL0174
    175. SIL0175
    176. SIL0176
    177. SIL0177
    178. SIL0178
    179. SIL0179
    180. SIL0180-Hi-Lo RPM Switch
    181. SIL0181
    182. SIL0182-Fuel Management
    183. SIL0183-Collective Stick Socket
    184. SIL0184-Collective Trim Adjustment Rod Assembly
    185. SIL0185-EDM CHT Probe Installation
    186. SIL0186-Wastegate Linkage and Throttle Cable Installation
    187. SIL0187-Universal Block
    188. SIL0188-Oil Pressure Gauge Troubleshooting