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CHROMA SERIES LED POSITION LAMPS
Meet all FAR requirements for Chromaticity, Intensity, and Coverage FAR Part 23.1383 the 23.1397
FAR Part 27.1383 thru 27.1397 Unique reflector design allows for full FAR coverage compliance.
Fixed current source design provides consistent light output compared to filament lamps and LED
resistor type designs = complete FAR compliance. Robust machined base provides vibration resis-
tance tested in accordance with RTCA/DO160 CAT U2, Curves F, F1 for rotorcraft. All electronic logic
conformal coated for weather resistance. Keeps original lens configuration to maintain FAA approv-
als of light assembly. LED lamps have a 10,000 hour operating life, while incandescent bulbs have
a fragile filament and 300 hours average life 85% Reduced current draw Five year warranty FAA
Approvals Pending O Ring allows for a more secure connection to lamp socket which reduces
wear over time. Nickel Plated hard contact eliminates premature wear
Model CHROMA LED Position Light
Model
Part
Numbers
Number
CHROMA1G
01-0771900G14
CHROMA1R
01-0771900R14
CHROMA2G
01-0771900G28
CHROMA2R
01-0771900R28
EQUIPMENT LIMITATIONS:
An approved forward position lighting system consists of two
light assemblies, one located on each wingtip. The lamp must be
installed in an appropriate lamp socket and behind a lens.
Certain types of installations may require additional testing.
AIRWORTHINESS LIMITATIONS:
The Airworthiness Limitations section is FAA approved and
specifies inspections and other maintenance required under
§43.16 and §91.403 of the Federal Aviation Regulations, unless
an alternative program has been FAA approved.
No airworthiness limitations are associated with the installation of
the LED position lamp.
CONTINUED AIRWORTHINESS:
The Chroma lamp is designed with multiple LEDs. If any one LED
fails the unit must be repaired or replaced.
Note: To reduce eye strain, use an optical filter such as dark
glasses or a blue covering dome during LED inspection.
PERIODIC INSPECTIONS:
An annual inspection shall be performed unless the OEM manual
specifies a shorter interval.
INSTALLATION PROCEDURES:
The following information provides guidelines for the installation
of the WAT LED Position Lamp. Please refer to the OEM manual
for your aircraft for specific removal and installation instructions.
Removal
1. Remove all electrical power or disable the applicable circuit
breakers.
2. Place the lighting switch in the OFF position.
3. Inspect the lens, retainer and attachment points for any signs
of abnormal wear or damage.
4. Remove the lens, retainer and screw and put in a safe place.
5. Remove the lamp from the holder.
Installation
1. Remove all electrical power or disable the applicable circuit
breakers.
© 2019 Whelen Aerospace Technologies
LED LIGHT ASSEMBLIES
Voltage
Lens
LED Color
Green
14 VDC
Red
N/A
Green
28 VDC
Red
Approvals
Input Current
TSO-C30b Type II
0.3 amps average
TSO-C30b Type I
TSO-C30b Type II
0.13 amps average
TSO-C30b Type I
2. Place the lighting switch in
the OFF position.
3. Choose the appropriate
replacement lamp assembly.
4. Examine the lamp socket.
Make sure it is clean and free of
foreign objects.
CAUTION! Do not touch the
LEDs with either fingers or sharp
objects as this could soil or
damage the LEDs and affect
the optical performance of the
lamp.
5. Place the LED lamp into the
holder ensuring the key (of the
assembly) matches the key of
the socket.
6. Reinstall the lens and secure
using the retainers and screws.
Note: Visually confirm that the
lens, gasket and retainers are
properly seated.
7. Enable applicable circuit breakers, place lighting switch in the
ON position and verify proper operation of the Whelen lamps.
8.Check all avionics systems for interference from thisinstallation.
9. A flight check should be performed by a properly certified
pilot.
10. If required, update aircraft records utilizing FAA Field
Approval
(Form 337) or equivalent.
TSO-C30c TYPE I & TYPE II
APPROVED
Weight
1 .oz (28gm)
Exploded View Parts
Retainer
Lens
Lamp
Gasket
Lamp
Holder
Typical Forward
Position Lamp
Assembly
Document #05131 Rev. E
23
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