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aircraft is unsafe/unserviceable, GROUNDED
Can be cleared by – authorized service personnel, two signoffs
overdue inspection (or unknown), NOT GROUNDED
Can be cleared by – person who corrects defect
discrepancy exists, but NOT GROUDING
Can be cleared by –person who corrects defect
on top of red symbol to say it’s been corrected
Purpose of an ER
An ER certifies that the AC is safe for flight
How long are ER valid?
entire day unless AC status changes
Who can sign off ER?
Rated pilot in command or maintenance officers
How long is a pre-flight inspection valid?
48 hours or until the end of the day if flown
How long is a tire pressure check good for?
6 hrs, unless flown, then until end of day
When should an overdue inspection be signed off?
Daily/hourly, end of the day
If overflown – 10%, need a write-up
What do the fuel precheck valves do?
- test automatic shutoff function to ensure that
- the single point refueling will stop when it is full
How many cords on main tires?
No red cords at all
How many cords on nose tire?
Just checking to ensure tread
What is chafing? How do you identify it?
- Cords/wire in contact and rubbing. Fraying or
What checklist is run prior to leaving the
Before leaving aircraft checklist
What does an FDR “maint” light indicate?
GREEN FDR MAINT – IDARS memory 80% full, notify maint.
FDR “fail” light?
AMBER FDR FAIL – IDARS failed, notify maintenance
Acceptable taxi speeds?
5-7 knots congested, 15 knots uncongested
Who has right of way taxiing?
Wingtip clearance with and without wing walker?
25’ with wing walker, not less than 10’
Taxi spacing during day/night?
- Day: 75’ if staggered, 150’ if in line, 300’ at