CPT 1

CPT-1 cockpit procedures trainer one

=Discuss:=

GPU Start
1. Requires 28 VDC, 400 Amp GPU

2. Battery switch must be off. ~If left on and the GPU connected the battery could overheat and cause thermal runaway and subsequent fire. When signaling to the plane captain he will require 2 thumbs from you to be sure the battery is off.

3. In C model ensure the Battery Relay light is out.

4. Use an GPU Start when: a) Battery drops below 17 volts on starter engagement. b) After a hot start if TOT limits were not exceeded. c) During cold weather, battery starts below –15oC (+5oF) are marginal.

5. Starter limitations when using the GPU are:

If light off occurs within the first 20 seconds, the starter can remain engaged for 60 seconds. Allow a 60 second cool down before the next start attempt. After three start attempts within a 30 minute period allow the starter to cool for 30 minutes.

Use of Lights
1. Exterior Lights:
 * a) Position Lights
 * Controlled by 3 switches on overhead panel:
 * On/Off, Bright/Dim, Steady/Flashing
 * Location: Red light located on the Port edge of the horizontal stabilizer, green on the starboard, and white on the extreme aft end of the tail boom.
 * On the ground at night during periods of low rotor RPM use Flashing – Bright to signal other aircraft not to taxi near you.
 * b) Anti-Collision Lights:
 * (2) lights controlled by a single overhead switch
 * Locations: Top of vertical fin and Below fuselage aft of the baggage compartment
 * c) Landing Light:
 * Controlled by a single overhead switch.
 * Location: Just aft of forward cross tube
 * CAUTION:
 * 10 minute operating limitation due to potential fire hazard due to overheating.
 * d) Search Light
 * Controlled by 2 switches on the pilot’s collective:
 * On / Off / Stow
 * CAUTION: Once the automatic Stow cycle is complete the switch should be turned off. If left in *** STOW a faulty heat switch may cause the extend / retract motor to burn out.
 * Directional Control Switch
 * The light is adjustable from 0 to 120 degrees of extension. From 0 to 60 degrees the light will rotate 90 degrees left or right.  From 60 to 120 degrees the light will rotate 360 degrees.

2. Interior:
 * a) Instrument Lights:
 * Controlled by overhead On / Off Rheostat
 * NOTE: This switch does not control all cockpit lights. The Caution Panel has its own Bright / Dim switch and the UHF radio has its own Dim Switch.
 * b) Cockpit Lights:
 * 2 Grimes lights mounted on control column.
 * c) Cabin Lights
 * 2 overhead cabin lights

Starter Limitations
If light off occurs within the first 20 seconds, the starter can remain engaged for 60 seconds. Allow a 60 second cool down before the next start attempt. After three start attempts within a 30 minute period allow the starter to cool for 30 minutes.
 * 1. When using the Battery

If light off occurs within the first 20 seconds, the starter can remain engaged for 60 seconds. Allow a 60 second cool down before the next start attempt. After three start attempts within a 30 minute period allow the starter to cool for 30 minutes.
 * 2. When using the GPU

Student responsibilities for CPT periods
F. Use of checklists / voice reports

G. 2C67 scheduling

H. Location, function, and operation of cockpit gauges, radios, switches, and engine / rotor controls.

I. Student checkout on 2C67

J. RPM Beep Control
 * The GOV RPM switch on the Pilot’s Collective is used to pre-select a power turbine speed (Nf) in the 96-101% range. NOTE: Beep slowly, there is inherent lag in the Nf. Fuel Control System.

=2. Demonstrate= A. Abnormal Starts:
 * 1. Starter Failure: (No Procedure in NATOPS)
 * Indications:
 * No rise in Ng
 * Starter not Audible
 * Procedures:
 * Starter Switch .....	Off
 * GEN FIELD and Starter Circuit Breaker....	Checked IN


 * 2. Igniter Failure:
 * Indications:
 * TOT does not rise after twist grip rotated to flight Idle.
 * Ng does not rise beyond 20%.
 * Procedures:
 * Twist Grip...	Closed
 * Fuel Valve...	As Required
 * Starter...	Off
 * Battery (Ng 0%)...		As Required


 * 3. Hung Start:
 * Indications:
 * Ng rises slowly and stabilizes below 50%
 * TOT rises more slowly than normal
 * Procedures:
 * Twist Grip.... 	Closed
 * Fuel Valve...	As Required
 * Starter (TOT Stabilized<400*C)...	Off
 * Battery	...Off


 * 4. Hot Start:
 * Indications:
 * TOT exceeds limits.
 * TOT light illuminates
 * NOTE: Any of the following indications, particularly when combined, indicates an increased potential for a hot start and may necessitate an aborted start to preclude an over-temp.
 * Excessive rise in TOT
 * TOT accelerates through 840oC
 * Battery Voltage stabilized below 17 volts on starter engagement.
 * Procedures:
 * Twist Grip... 	Closed
 * Fuel Valve...	As Required
 * Starter (TOT Stabilized<400oC)	Off
 * Battery...	 	As Required
 * CAUTION: Do not allow the TOT to rise above 810oC for more than 10 seconds or 927oC for any length of time.
 * NOTE: Utilize APU for subsequent start attempts after aborted starts if TOT limits have not been Exceeded.


 * 5. Post Shutdown Fire(Internal):
 * Indications:
 * TOT rise above 400oC
 * Flames or smoke coming from engine.
 * Procedures:
 * Starter...    Engage
 * Fuel Valve...	Off
 * Igniter circuit breaker...	Pull
 * Starter...	Secure after fire is extinguished

=3. Introduce:= A. Anti-ice operation
 * Engine Anti-ice system cannot be used to de-ice. It is a preventative measure only.  It keeps engine front support above the freezing point of water.
 * Flight into known icing (<4oC w/ visible moisture) is prohibited.
 * Use Engine Anti-Ice when
 * 1. OAT is at or below 10°C
 * 2. For 5 minutes on first start after engine wash.
 * 3. Test during Pre-takeoff Checklist if OAT <10oC

B. Normal start / shutdown procedures See cockpit checklists

C. FAM stage communications procedures See cockpit checklists

D. FAM stage checklists See cockpit checklists