24.18. Aircraft Flight line – Ground Operations and Activities Checklist.

24.18.1. Are pressure regulators installed to prevent over-pressurization of components being
serviced with compressed air? Reference

24.18.2. Are wiping clothes, oily waste and other flammable materials placed in self-closing metal
containers? Reference

24.18.3. Is an AF Form 592, USAF Hot Work Permit, issued prior to welding on aircraft? Reference

24.18.4. Are suitable fire extinguishers placed throughout maintenance areas? Reference

24.18.5. Are personnel prohibited from wearing hats and caps on the flight line or in an engine
intake danger zone? Reference 24.4.1

24.18.6. Are all bicycles (Air Force and privately owned) operated on the flight line during hours of
darkness equipped with an operational headlight and reflective markings front and rear? Reference

24.18.7. Do parking lines have spots painted where the nose or forward wheel of the aircraft are
positioned on aircraft parking spaces on the flight line and in maintenance hangars? Reference

24.18.8. Have emergency procedures been developed to remove endangered aircraft in the event of a
fire, adverse weather or other emergency situations? Reference 24.5.7

24.18.9. Have local procedures been established to ensure key agencies are notified of adverse
weather conditions? Reference 24.6.1

24.18.10. Has the installation established a lightning safety program with a two-tier notification
system? Reference 24.6.1

24.18.11. Does the tow supervisor clearly define duties and responsibilities to the towing team at the
pre-tow briefing? Reference 24.7.2

24.18.12. Is the supervisor the only team member authorized to give the ―all clear to move‖ order?

24.18.13. During towing operations, does the supervisor have a clear view of both wing walkers, the
vehicle driver and direct contact with the person in the pilot‘s seat? Reference

24.18.14. Do tow team members use luminous wands when aircraft are towed at night? Reference

24.18.15. Prior to and during taxi, is radio contact established and maintained between the aircraft
and control tower? Reference

24.18.16. Are aircraft jacks operated, maintained, inspected and tested IAW applicable TOs or
handbooks? Reference

24.18.17. Are all workstands and other equipment not required to be under the aircraft during
jacking operations removed before aircraft are raised on jacks? Reference

24.18.18. When an aircraft is on jacks, is the area around the aircraft properly secured and
appropriate warning signs posted? Reference

24.18.19. Do supervisors ensure engines or other major components, such as wing panels,
stabilizers, etc., are not changed when the aircraft is on jacks and landing gear clear of the ramp or
floor, unless authorized by applicable TOs? Reference

24.18.20. Are aircraft properly chocked and parked IAW applicable TOs and job guides before
starting engines? Reference 24.9.2

24.18.21. Is a qualified and trained fire guard in position by the fire bottle(s) prior to starting aircraft
engines, and does he/she remain in place until all engines are operating and the danger of fire no
longer exists? Reference 24.9.4

24.18.22. Do crew and maintenance personnel wear approved hearing protection in noise hazard
areas? Reference 24.9.9

24.18.23. On jet engine aircraft, are crewmembers, maintenance workers and personnel with flight
line access briefed not to approach closer than 5 feet from the side or rear or 25 feet from the front of
engine intake ducts when the engine is in operation? Reference 24.10.3

24.18.24. Are ground safety pins installed by aircrew or maintenance workers immediately after the
landing aircraft is parked and engines shutdown or by egress workers after maintenance work
requiring removal of the pins is complete? Reference

24.18.25. For work in a jet engine tailpipe, is a responsible individual positioned adjacent to the tail
pipe or entrance of the aircraft to prevent anyone entering the cockpit and to maintain
communication with the person in the tail pipe? Reference 24.10.8

24.18.26. At the end of each day or shift, are flammable waste containers emptied or removed to an
approved location outside the shop for pickup and disposal? Reference

24.18.27. Are flammable storage areas kept cool (55o to 80o F) and free from spark or heatproducing
equipment? Reference

24.18.28. Are tire cages used when servicing aircraft tires in the tire shop? Reference 24.12.2

24.18.29. Are procedures in place to ensure only oil-free nitrogen is used to inflate aircraft tires?

24.18.30. Are aircraft wheel and tire removal operations IAW TO 4T-1-3? Reference 24.12.5

24.18.31. Are tire servicing restraint devices visually inspected prior to each day‘s use? Reference

24.18.32. Has the Airfield Manager established a program for issuing AF Form 483, Certificate of
Competency, endorsed for flight line driving? Reference

24.18.33. Do all passengers use available seat belts while vehicle is in motion? Reference 24.13.8

24.18.34. Are FOD Check signs posted at entrances to ramp area/flight line? Reference 24.13.13

24.18.35. Are guides/spotters used to assist K-loader and roller equipped trailer operators when
approaching an aircraft to load or off-load? Reference 24.13.19

24.18.36. Are passengers prevented from riding on tow tractors unless adequate seats are provided
for that purpose? Reference 24.13.20

24.18.37. Are pintle assemblies and towing connections secured with a pintle hook safety locking
device or cotter pin that will positively lock towing connections? Reference

24.18.38. Are hazardous areas in aircraft hangars or nose docks, such as crush and pinch points that
cannot be eliminated by engineering controls or mechanical safeguards, highlighted with colored
paint and signs? Reference

24.18.39. Have all personnel who routinely work in hangars or require access through the hangar
doors received annual Hangar Door Awareness Training? Reference 24.14.5

24.18.40. Are only qualified personnel, approved by the squadron commander or designated
representative, authorized to operate hangar doors? Reference

24.18.41. Are overhead hangar doors fully opened before moving aircraft through the door?

24.18.42. Do facility managers conduct monthly inspections of hangar door operational and safety
features? Reference

24.18.43. Are visual inspections of the door path and track-way accomplished before hangar door
movement? Reference 24.14.9

24.18.44. Is temporary or makeshift electrical wiring prohibited in hangars? Reference 24.14.13

24.18.45. Are emergency procedures established to remove aircraft in case of fire, severe weather or
other hazards? Reference 24.14.15

24.18.46. Do supervisors prohibit wear of finger rings and loose clothing when they pose a hazard to
workers? Reference

24.18.47. Is incidental storage of small amounts of paints and thinners in approved cabinets with
self-closing doors? Reference

24.18.48. Are hazardous operations prohibited within 50 feet of major cleaning, painting or paint
removal operations? Reference

24.18.49. Is the work area inspected to eliminate ignition sources prior to paint touchup operations?

24.18.50. If hangar doors are opened to disperse flammable vapor concentrations, are the doors
opened at least 10 feet? Reference

24.18.51. If opened to less than 10 feet, are procedures in place to lock out the main door switch?

24.18.52. Is the multimeter calibration date checked prior to each use? Reference

24.18.53. Are parking brakes set and/or chocks used prior to jacking equipment? Reference

24.18.54. Are jacks and jack stands inspected and maintained IAW TO or manufacturer‘s
instructions? Reference

24.18.55. Are locking pins installed, hydraulic pressure released, platform eased down onto the locks
and the hydraulic valve closed before anyone is allowed on the maintenance stand? Reference

24.18.56. Are procedures in place to protect workers from unexpected movement of flight controls?
Reference 24.15.6

24.18.57. Is fall protection available and used by workers exposed to a fall of 4 feet/10 feet or more?
Reference 24.16

Please note that this checklist is a hypothetical example and provides basic information only. It is not intended to take the place of, among other things, workplace, health and safety advice; medical advice, diagnosis, or treatment; or other applicable laws. You should also seek your own professional advice to determine if the use of such checklist is permissible in your workplace or jurisdiction.