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nose for proper trim.
This can be done by pulling back more on the crosstube
tensioning cables which reduces the twist in the wing.
However, this procedure reduces the stability of the wing
and decreases the handling ability of the wing because it is
stiffer. This is a common adjustment for hang gliding wings
for inflight trim, however this adjustment should only be
made on WSC wings as specified in the POH for a specific
wing.
Raising and lowering the reflex lines affects airfoil reflex
and also changes the trim speed of the wing. Lower reflex
lines speed the wing up and make it less stable, raising the
reflex lines slows the wing and make it more stable. Some
manufactures have this as an adjustable setting which can be
varied during flight, other manufactures have this adjustment
where it can be made on the ground. Other manufactures
do not recommend this adjustment because it can lower the
certified stability of the wing.
Prefl ight Inspection
Each aircraft must have a routine prefl ight inspection before
fl ight. Use a written checklist during prefl ight and ground
operations to maintain an established procedure. [Figure 5-40]
A written checklist is required so nothing is forgotten. Ground
checklists include prefl ight preparation, prefl ight inspection,
occupant prefl ight brief, fl ight deck management, startup, taxi,
before takeoff, and aircraft shutdown. Be smart and follow the
regulations—use a written checklist. All checklists should be
secured so they do not fl y out of the fl ight deck in fl ight and
hit the propeller. Securing with zippered pockets and having
lanyards for the checklists is recommended. Manufacturers
of Special Light-Sport Aircraft (S-LSA) have checklists that
come with the aircraft. Pilots with an experimental aircraft
may need to develop their own.
Certifi cates and Documents
The fi rst step of prefl ight inspection is to ensure the aircraft
is legally airworthy which is determined in part, by the
following certifi cates and documents:
• Airworthiness certifi cate
• Registration certifi cate
• Operating limitations, which may be in the form of
an FAA-approved AFM/POH, placards, instrument
markings, or any combination thereof
• Weight and balance
ARROW is the acronym commonly used to remember these
items. The PIC is responsible for making sure the proper
documentation is on board the aircraft when operated.
[Figure 5-41]
Aircraft logbooks are not required to be on board when it
is operated. However, inspect the aircraft logbooks prior
to fl ight to confi rm the WSC aircraft has had all required
inspections. The owner/operator must keep maintenance
records for the airframe and powerplant. At a minimum,
there must be an annual condition inspection within the
preceding 12 calendar months. In addition, the WSC
aircraft may also need a 100-hour inspection in accordance
with 14 CFR part 91 if it is used for hire (e.g., for training
operations). [Figure 5-42] If a transponder system is used,
the transponder must be inspected within each preceding 24
calendar months.
5-16
Figure 5-42. Maintenance requirements for WSC LSA.
WSC LSA Maintenance Requirements
S-LSA-certified by FAA accepted ASTM consensus
s tandards
• Annual and 100-hour condition inspection may be
performed by:
- LSA Repairman with Maintenance rating (120-hour course)
- A&P or FAA certificated repair station
• Maintenance,* repair, and alterations may be performed by:
- LSA Repairman with Maintenance rating (as authorized
by manufacturer)
- A&P or FAA certificated repair station (as authorized by
manufacturer)
E-LSA including:
• Ultralights/trainers transitioned to LSA that meet the criteria
of 14 CFR Section 21.191(i)(1)**
• Manufacturer S-LSA kits that meet the criteria of 14 CFR
Section 21.191(i)(2) (not amateur built)
• Converted from S-LSA that meet the criteria of 14 CFR
Section 21.191(i)(3) (see 14 CFR Section 41.1(b) for
servicing)
- Annual condition inspection may be performed by:
> LSA Repairman with Maintenance rating (120-hour
course)
> A&P or FAA certificated repair station
> Owner Repairman with Inspection rating (16-hour
course)
- Owner can be trained in his/her own aircraft and does
not need 100-hour inspection.
- Servicing, repair, and alterations may be performed by
anyone.***
Amateur built that meet the definition of LSA and criteria
of 14 CFR section 21.191(g)
• Annual condition inspection may be performed by:
　
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