Index Of Articles

Classic Aviation Ads:  Aircraft Servicing & Safety Markings


    What's That Marking? Guide To Aircraft Markings Of The Period.

SERVICING AND SAFETY MARKINGS

Symbols and markings are marked on the airframe or on the outside of access doors or panels as a guide to the servicing point covered by the door or panel. Units of pressure are specified in both metric and Anglo-American systems, i.e. , kgms/sq.cm. and lb/sq.in. The
N.A.T.O. code number of the material in the supply circuit, where appropriate, is also indicated.

SERVICING MARKINGS - Nominal colour-Black on light background, or white on dark background
 

SERVICING MARKINGS

Function Description Example
Fuelling Four-pointed star with NATO code for grade of fuel.

Rocket Fuels Four-pointed star in crescent with NATO code (if applicable) or name of fuel.

Rocket Oxidisers Crescent with type of oxidant (NATO code when allocated).

Engine Lubricating Oil Square with NATO code
for type of lubricant.

Hydraulic Fluid Circle with NATO code for type of fluid

De-icing Triangle with NATO code for grade. -

Coolant Two horizontal S's with NATO code for coolant and, if necessary,
percentage composition...

Pneumatic System An "X" with maximum charging pressure.

Oxygen (Breathing) Two horizontal rectangles with filling pressure, or "liquid" and transfer
pressure. -

Anti-detonant or Thrust
Augmentation
A chevron with NATO code and percentage composition.

Air Conditioning
 
Four dot pattern. Square, less a quarter-arc at each corner with type of gas and filling pressure.

Inerting System Square, less a quarter-arc at each corner with type of gas and filling pressure.

Fire Extinguishing System A diamond and name of extinguishant.
External Electrical
Connections
An "E" with lower limb shortened stating service and voltage details.

Ground or Earthing Point An inverted "T" with two bars beneath, each of shorter length, with notation shown.

Batteries Lightning flash.
     

GROUND HANDLING MARKINGS

Jacking Point Square with two slanting legs; yellow colour.


 

Slinging or Hoisting Point Hook on horizontal bar; yellow colour. .

Picketing Point Anchor; yellow colour.

     

EMERGENCY AND SAFETY MARKINGS (EXTERNAL)

Explosive Actuated Devices Red equilateral triangle, apex down, bearing the words "CANOPY",
"EJECTION SEAT", etc., in white and the word "DANGER" in red on each side of the triangle; applied on the adjacent external part of the airframe on both sides of the aircraft.
Break-in Points The words "CUT HERE FOR EMERGENCY RESCUE" are marked on
the outside of selected areas of the fuselage and encircled by a broken line. These markings indicate where personnel could cut into the fuselage and encounter the minimum of obstruction; the markings are  coloured yellow
Emergency Equipment When an aircraft carries emergency equipment which is easily accessible
from the outside, their positions are shown externally by stencilled words. coloured red, e.g. AXE STOWED HERE. In addition, the position of the equipment may be further shown by a full size red coloured silhouette of the item on the outside of the fuselage in a position corresponding to the exact stowage position inside.
Normal Entrance Doors
and Exits -
The controls for normal operation of entrance doors and exits are marked, and operating instructions applied in the immediate vicinity; the markings are in yellow.

First-Aid Kit The location of the first-aid kit that can be reached from the outside is marked with a red cross on a white background adjacent to the access panel or exit.

Emergency Canopy
Release
The location of the emergency canopy or hatch release control is indicated by a yellow coloured arrow with a black border and inscribed with the word RESCUE in black. Operating instructions are marked in yellow.

Fire Access Panels The fire access panels on the engine cowling are marked with the words
FIRE PANEL in red, inside a red rectangle.

     

EMERGENCY AND SAFETY MARKING (INTERNAL)

Emergency Controls Emergency controls are matt black with diagonal yellow stripes
Ejection Seat Firing
Handle
The centre portion of the ejection seat firing handle is striped yellow
and black, and the sides are painted red. The words "DO NOT PULL HANDLE" are painted in red on the
head rest.
Normal Controls and
Control Locking Levers.
Normal controls are light matt grey
and control locking levers are painted red