Aircraft Technical Manual
Jabiru Aircraft
Pty Ltd
J120, J160, J170, J200/J400, J230/J430, J250/J450 Variants
This document is controlled while it remains on the Jabiru server. Once this no longer applies the document becomes uncontrolled.
ISSUE
1
2
3
4
5
Dated: 29th October 2014
Issued By: AS
Page: 282 of 298
17
Fairings
17.1 Description (all J-Series)
Jabiru Aircraft are fitted with fairings around the wing roots, wing struts, under the fuselage and
wheel spats. The ventral fin under the tail is also considered a fairing.
These fairings are attached using screws. In some cases self-tapping screws are used to attach the
fairing directly to the airframe. In other cases threaded inserts are glued into the fuselage and the
fairing screws fit into these inserts - Figure 66 shows these inserts as used to fit the inspection hatch
to the wing. Finally, in some cases anchor nuts are fitted to the aircraft or to a fairing section and the
remaining fairing attached to the anchor nuts using machine screws.
Due to space constraints not all different variations are shown herein. When ordering spare parts
provide as must detail as possible
– part description, aircraft model, serial number etc to Jabiru to
ensure accurate part identification.
17.1.1 Removal and Installation
Required Tools:
Screwdrivers
Drill (if required for repairs)
Parts and Material:
Twill weave fibreglass and Epoxy Resin (if repairs are required)
5 minute Araldite (if repairs are required)
Acetone (if repairs are required)
Replacement inserts, anchor nuts or screws (as required)
Type of Maintenance:
Line Maintenance
Level of Certification:
L1, L2 or LAME (Owner, A&P or LSA Repairman / Maintenance)
Return to Service:
L1, L2 or LAME (Owner, A&P or LSA Repairman / Maintenance)
Remove screws holding fairing to aircraft.
NOTE: some fairings
– usually the engine cowls or the ventral fin – may be fitted with lead
ballast. Care must be taken when removing fairings containing lead to ensure that they are
adequately supported while the screws are being removed to ensure no damage is inflicted to the
aircraft or fairing.
The fairings can be removed once these screws have been taken out. When removing the wing strut
fairings care should be take to avoid scratching the strut.
Installation is the opposite of removal. Care should be taken when tightening self tapping screws as
when screwing into fibreglass it very easy to strip th
e hole so that it doesn’t tighten.
17.1.2 Repair
The fairings on Jabiru Aircraft are made from 2-3 layers of 300gram/m2 twill weave fibreglass and
epoxy resin. When damaged they may be repaired using an equivalent layup across the damage and
normal fibreglass repair techniques. Once repaired refer for repainting and filling techniques.
Self tapper holes that become stripped may be repaired using be using the next size up self tapper
(from 6 gauge to 8 gauge) however it is not recommended to go any larger.
The hole may be filled using 5-minute Araldite and redrilled again to the original, smaller size again.
If the hole has been exposed to oil or similar it will need to be cleaned with a solvent such as acetone
prior to application of the filler.
Threaded Inserts: some fairings are attached using threaded inserts (P/No. 5A048A1D) rather than
self-tapping screws. The threaded insert requires a larger drilled hole, and is bonded in using 5-
minute Araldite. This then provides a secure threaded hole for removable fairings to be attached. In
the case that a threaded insert has become loose or fallen out, it can be repaired by bonding it back
into the hole with 5-minute Araldite. If the hole has suffered damage and is too large, fill the hole in
with Araldite and re-drill, then bond the insert.
