Flight controls - Check first flight of day
Circuit breakers and switches — Set.
LAMPS TEST button — Press and check.
Load navigation database.
Load mission data.
Stabilator — Check.
FMS initialization — Check as required.
a. OFF — 1553 communication is not active.
b. STANDBY — In standby.
c. ORIENT — Determining north orientation.
d. ATT — Determining helicopter attitude. Attitude indicator appears after approximately 20 seconds.
e. ALIGN — Aligning.
f. D-NAV READY — HSI compass appears after approximately two minutes, degraded navigation available.
g. NAV RDY — Alignment complete and in Nav Ready mode.
h. NAV — Navigate.
Avionics — Check and set as required.
Set up MFD/FD/FMS for mission.
Mission equipment — Check.
O 2. CIRCM. CIRCM — As required.
Engine(s) — Start.
a. No TGT increase (light off) within 45 seconds.
b. No P (engine oil pressure) within 45 seconds.
c. No NP1 or NP2 within 45 seconds (if rotor brake is off).
d. ENG STARTER ON caution disappears before reaching 52% NG.
e. TGT reaches 851°C before idle is attained (above 63% NG).
a. ENG POWER CONT lever — Pull out.
b. If caution remains: APU CONT — OFF or engine air source remove as required.
Hydraulic leak test system — Check.
Tail rotor servo transfer — Check.
Engine(s) — Start.
• During rotor brake operations there will be no NP or Q indications until rotor brake is released.
• MAIN XMSN PRESS caution remains and there is no pressure indication until rotor brake is released.
• All corresponding No. 1 and No. 2 hydraulic cautions remain until the rotor brake is released.
• FUEL PRESS LOW caution may appear during the start process and should disappear before the engine stabilizes at ground idle.
• The FUEL BOOST PUMP CONTROL switches shall not be used to extinguish the FUEL 1 PRESS LOW or FUEL 2 PRESS LOW caution during an engine start sequence.
a. If any of these indications occur during start sequence, abort the start.
(1) No TGT increase (light off) within 45 seconds.
(2) No P (engine oil pressure) within 45 seconds.
(3) No NP1 or NP2 within 45 seconds (if rotor brake is off).
(4) ENG STARTER ON caution disappears before reaching 52% NG.
(5) TGT reaches 851°C before idle is attained (above 63% NG).
b. Starter button(s) — Press until NG increases; release.
c. TGT — Check below 30°C before advancing ENG POWER CONT lever(s).
f. ENG STARTER ON caution(s). Check disappears above 52% NG. If ENG STARTER ON caution remains after reaching idle:
Systems Check
a. NG — 63% or greater and both engines are within 3% of each other.
b. NP1 or NP2 — Check not in the range of 20% to 40% and 60% to 90%. Advance ENG POWER CONT lever(s) as required.
c. XMSN P — Check.
d. P (engine oil pressure) — Check.
e. HYD PUMP 1 FAIL and HYD PUMP 2 FAIL cautions — Check off.
HIT Check