DG Flugzeugbau LS4 - Airworthiness Limitations; Repairs; Life Time of the Airframe; Life Time of Equipment and Components

Maintenance Manual LS4
Issued: May 2011
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Manual valid with the up-to-date cover page only
0-11
0.4 Airworthiness Limitations
0.4.1 Repairs
Repair or replace damaged parts prior to next flight. Follow the instructions
of section 11 of this manual for repairs of the airframe. Major repairs must
be accomplished at an approved repair station or by an approved mechanic
rated for composite aircraft structure work in accordance with DG repair
methods.
Use only genuine spare parts.
For all aircraft under EASA regulations the following applies: According to
part 21, subpart M to accomplish major repairs an approved repair
instruction is required, see also TN DG-G-01 “Approved repair methods
according to EU Commission Regulation 1702/2003 part 21, subpart M”
0.4.2 Life time of the airframe
The maximum allowable operating time for the Variants LS4, LS4-a and
LS4-b is 12000 flight hours. Therefore inspections according to section 3.3
of this manual have to be executed at 3000 h, 6000 h, 9000 h and every
1000 hours following thereafter.
0.4.3 Life time of equipment and components
a) The fabric straps of the safety harness have to be exchanged according to
the instructions of the respective manufacturer. If no limitations are given,
exchange after 12 years.
b) Other components:
All other components like tow hooks, wheels, gas struts, control system
parts, bolts, pins etc. have no life time limitation, but should be replaced
when worn, damaged or disqualified by excessive corrosion.
0.4.4 Service time, maintenance documents of equipment and components
Follow the instructions of the respective manufacturer:
a) Operating Manual for Safety Tow Releases
Series: Europa G 72 or Europa G 73 or Europa G 88 Safety Tow Release
latest approved version
And if installed:
Operating Manual for Tow Releases Series: E72 or E75 or E 85 Nose Tow
Release latest approved version
b) Safety harness: instructions of the manufacturer.
c) Minimum instrumentation: instructions of the manufacturer.