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All locking devices are installed correctly.
− Make sure that items such as pipes and cables:
Look serviceable.
Do not rub against other items.
For log books and other technical records:
To find outstanding faults
To make sure they are up-to-date and correctly maintained.
Inspection. The procedure which compares an object with its standard or specification.
Measure. To find out the dimensions, capacity or quantity of something.
Monitor. To look at something during a time. For example, monitor the engine speed
indicator.
Record. (1) Technical name for something that shows what was done. For example,
write the result of the test in the engine record.
(2) The act of making a record. For example, Record the result of the test in
the airplane log book.
Replace. To remove an unserviceable item and install a serviceable item in the same
location. A new part or new parts, as applicable, must be installed.
Set. To put equipment into a given adjustment, condition or mode. For example,
set the altimeter scale to 1013 mb.
Task. An assigned work or a procedure. For example, each step of the task has an
identification letter.
Test. That which you do when you operate or examine an item to make sure that it
agrees with the applicable specifications. For example, disconnect the
systems which are not necessary for the test. Or do an engine test.
DA20-C1 AMM
Time Limits and
Maintenance Checks
Doc # DA201-C1
Rev. 9 05-10-00 Page 1
29 Apr 2004
CHAPTER 05-10
TIME LIMITS
1. General
All scheduled maintenance checks have time limits. You must do the scheduled maintenance
within the time limits.
Some components installed in the airplane have a fixed time between overhaul (TBO), (for example
the engine). Refer to Paragraph 4.
The Slick Magneto has a 500 hour inspection requirement (Refer to the Teledyne Continental
Motors IO-240-B Maintenance Manual).
2. Regulatory Authorities
The time limits given in this chapter meet the requirements of the Canadian Department of
Transport. Other Regulatory Authorities can have different requirements. You must make sure that
you meet the requirements of the Regulatory Authority of the country where the airplane is
registered.
3. Scheduled Maintenance Time Limits
(Refer to Chapter 05-20-00)
The following hourly and calendar time limits apply to the scheduled maintenance checks which are
necessary to maintain the airplane in an airworthy condition. Do the scheduled maintenance at the
intervals shown below:
Scheduled Maintenance
Check (Hourly).
Do At These Times
25 Hour Check At 25 hours since new do items without the asterisk (*)
beside the item in 100 hour column of inspection checklist.
50 Hour Check At 50 hours since new and every 50 hour intervals.
100 Hour Check At 100 hours since new and every 100 hour intervals.
200 Hour Check At 200 hours since new and every 200 hour intervals.
1000 Hour Check At 1000 hours since new and every 1000 hour intervals.
6000 Hour Check At 6000 hours since new and every 6000 hour intervals..
Time Limits and
Maintenance Checks
DA20-C1 AMM
Page 2
30 Apr 2009 05-10-00 Doc # DA201-C1
Rev. 15
Scheduled Maintenance
Check (Calendar).
Do At These Times
Annual Inspection (for airplane
maintenance not done to FAR 91).
At 12 months since new and every 12 month interval do a
200 Hour Check.
Annual Inspection (for airplane
maintenance done to FAR 91).
At 12 months since new and every 12 month interval do a
100 Hour Check.
Note: The 6000 hour airframe check is mandatory for Airworthiness.
4. Component Time Limits
Overhaul the following components at the times indicated:
Component. Time Between Overhaul
Engine, Teledyne Continental IO-240-B. 2000 hours. (Refer to Teledyne Continental
Motors Service Bulletin No SIL-98-9A).
These engine mounted accessories:
− Intake manifold.
− Fuel injection system.
− Magneto ignition system and spark plugs.
− Lubrication system thru with oil pump, sump
and filter.
− Starter motor (rear mounted).
− Inter-cylinder cooling baffles.
− Isolation mounts.
− Air/oil separator.
− Accessory drive pad (1), and 20000.
2000 hours. (Refer to Teledyne Continental
Motors Service Bulletin No SIL-98-9A).
Electric fuel pump, Dukes 10 years.
Fuel Cap, Newton Annual. (Refer to Chapter 28-10-00).
Replace the following components at the times indicated:
Component. Time Between Replacement
Battery for starting vibrator 2000 hours or 2 years, whichever is first
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