WYMMS-CL-001 · SERVO ACTIVATION CHECKLIST · REV A ← Product pagePrint card
WYMMS WING YAW-MOMENT MANAGEMENT SYSTEM
WYMMS-CL-001 · REV ASERVO ACTIVATION FLIGHT
P/N 101-WYMMS-1 · FW 1.4.2

Post-Installation Servo Activation Checklist

CHALLENGE / RESPONSE
AIRCRAFT 
WYMMS-1 S/N 
SKYVIEW SW17.2+
FIRMWARE1.4.2

1  PREFLIGHT GROUND

WYMMS circuit breakerIN
Master / avionicsON
SkyView WYMMS pageDISPLAYED
Servo statusGREEN / CAL
Slip-clutch overrideCHECKED
Flight controlsFREE & CORRECT
Rudder pedal travelFULL, NO BINDING
Servo arm / pushrodSECURE, COTTERED

2  BEFORE TAKEOFF

WYMMS modeSTANDBY
AutopilotDISENGAGED
TrimSET
Smooth-air blockIDENTIFIED

3  ACTIVATION CRUISE

Autopilot masterOFF
TrimNEUTRAL
Heading bugSET TO COURSE
Servo circuit breakersCHECKED IN
Yaw damperENGAGED
Attitude referenceCROSS-CHECK WITH HORIZON
WYMMS modeENGAGED
BallCENTERED, HANDS OFF
Yaw-moment baselineCAPTURED (30 SEC)
Servo currentWITHIN LIMITS
Baseline requires wings level, constant power, and smooth air. Repeat if SkyView reports BASELINE INVALID.

4  COORDINATION CHECKS

Left turn, 20° bankBALL CENTERED
Right turn, 20° bankBALL CENTERED
Power +300 RPMNO YAW EXCURSION
Power -300 RPMNO YAW EXCURSION
Flaps, first notchNO YAW EXCURSION
Pedal overrideSERVO SLIPS, NO FAULT
WYMMS disconnect (AP panel)SERVO LIMP
WYMMS modeRE-ENGAGE

5  FAULT CHECK

SkyView alertsNONE
Servo temperatureNORMAL
SV-NET statusALL DEVICES ONLINE
If SERVO FAULTSTANDBY, LAND, INSPECT

6  RETURN / SHUTDOWN

WYMMS modeSTANDBY BEFORE DESCENT
Approach & landingNORMAL
Servo current, max observedRECORD
Baseline valueRECORD
Activation resultLOG ENTRY
PILOT IN COMMAND
INSTALLER
DATE / RESULT
WYMMS-CL-001 Rev A. This checklist supplements, and does not replace, the aircraft flight manual. Perform activation in VMC, in smooth air, with a suitable landing area within gliding distance for the first engagement.