Status Subject Airworthiness Directives as listed

Detail

Propellers

Reference information

HOFFMANN SERIES PROPELLERS (Luftfahrt-Bundesamt Airworthiness Directives) (LBA)
UK Service Station – Skycraft Services Ltd, 01763 852150

M HO-V62 R/L 160T
M HO-V 123 ()-()/180R
M HO27 & HO4/27 M Overhaul Periods
Hoffmann VP Propellers M Hoffmann propellers M HO-V62R/L 160BT
M HO-V343K

Calibration of tachometer and inspection of propeller blades.

Introduction of improved blade root retention

AD83-150/4, SB4C

Inspection for cracks in the coating on the suction

side near the blade shaft

AD88-20, SB6 EB

Strength problems on propeller mounting Bolts

AD1998-322/2, SB61-11-03E10 RA

See TNS

Pitch change rod failure

revised overhaul periods for some types

SB E1Y

Pitch change rods (AD applicable to Diamond H36 Aircraft) AD-D-2005-370 Hoffmann SB 61-11-03E

Will be embodied on all other HO-V62 props at next overhaul

Inspections to detect hub failure

EASA AD 2006-0110

MT PROPELLERS (Luftfahrt-Bundesamt Airworthiness Directives) (LBA)

M MTV-1-() M MTV series M MTV series M MTV-1-(), -7-(), -10-(), -17-(),
-18-() and –20-() M MTV-3-B, MTV-3-B-C
M MTV-9
Page 1 BGA Compendium 01/14

Possible loss of propeller blade Change of emergency procedures for powered gliders Correction to AD92-367 Replacement of the electric motor of the propeller servo Hub, crack inspection and rework or replacement of the hub Propeller blades, inspection of the torque and if

AD90-214 iss2, SB TM4A AD92-367, SB TM6 see AD 92-367
AD93-088/2, SB TM7
AD97-006/5, SB12

TNS
06/91 10/00 06/02 10/05 3-2006
06/93 04/97

Propellers

Status Subject

Detail

Reference information

applicable replacement of the blade root lag screws

AD1999-081/2 SB17A

M MTV-3

Propeller blades, inspection of the torque and if

applicable replacement of the blade root lag screws

AD1999-082/2, SB17A

M MTV-1,2,3,5,6,7,9,10,11,12,14,15,17,18,20,21,22 & 24 Blade

Inspection to prevent sudden loss of metal erosion sheath AD 2008-0345 R1, SB 8B

AD updated to allow pilot/owner certification of pre-flight inspection

TOP PROPELLERS

M All models Blades

Propeller blade thickness inspection

AD2001-345, SB 32.110/25/1

GENERAL PROPELLER INFORMATION

Mount bolts

Check bolt torque regularly to prevent damage

Blades

Seal minor damage to propeller blades to prevent

Moisture absorption and expensive repair.

I Repairs

Only approved minor repairs allowed. Return propeller to manufacturer or agent for other repairs

TECHNOFLUG PROPELLERS

M Maintenance Cracked propeller

Self Sustainer propellers are subject to the following Annual Check 200 hour overhaul Details on the Schempp-Hirth web site Installed in DG800 propeller found with structural cracks

INGRID OEHLER PROPELLERS

Oe-fl5,110 Oe-fl5,110

Cracked blade attachment block (Duo Discus T) Continued problems with cracked blade attachments blocks

Page 2 BGA Compendium 01/14

TNS
10/03 1-2010
12/01 12/97 04/03
5-2007 2-2013
2-2012 6-2013