Chinook CH-47/Normal Procedures

1 General

This section describes the procedures necessary to safely and efficiently operate your aircraft. A basic understanding of helicopter flight techniques is assumed. Some of the items on the checklist are intended to be performed by the flight engineer. These items are marked with an (F).

2 Preflight Procedures

2.1 Exterior Checks

1. Main Rotors - check condition
2. Forward Pylon - check as follows (open access panel)
   1. Forward transmission - check condition
   2. Forward transmission oil level - check sight gauge
   3. #1 Flight Control Hydraulics - check condition
3. Aft Pylon - check as follows (access on front of plyon)
   1. Combining transmission - check condition
   2. Engine #1 transmission - check condition
   3. Engine #2 transmission - check condition
   4. Combining transmission oil level - check sight gauge
   5. Engine #1 transmission oil level - check sight gauge
   6. Engine #2 transmission oil level - check sight gauge
4. Engine #1 - check as follows (open access panel)
   1. Engine - check condition
   2. Engine Oil Level - check indicating bar near top
5. Engine #2 - check as follows (open access panel)
   1. Engine - check condition
   2. Engine Oil Level - check indicating bar near top

2.2 Interior Checks

1. Ramp Overhead Area Checks
   1. APU - check condition
   2. APU Generator - check condition
   3. Aft transmission - check condition
   4. #1 Generator - check condition
   5. #2 Generator - check condition
   6. #1 Flight Control Hydraulic Pump - check condition
   7. Utility Hydraulic Pump - check condition
   8. Aft transmission oil level - check sight gauge
   9. Engine Fire Agent Bottles - check condition and pressure. 500 psi minimum.
2. BATT switch - ON
3. Check fuel levels
4. Check aft maintenance panel as follows
   1. Hydrualic fluid levels - check Utility, FC #1 and FC #2
   2. Ground contact lights - check L & R ON
   3. Oil pressure warning lights - check ON
   4. Ground Test Switch - ON
   5. All maintenace panel lights - check ON
   6. Ground Test Switch - OFF
5. BATT switch - OFF

3 Start Procedures

3.1 Before Starting Engines

1. No 1 and No 2 PDPs. – Check all circuit breakers in and gang bars up.
2. Overhead switches set as follows
3. EXT LTG switches – as required
4. CPL LTG switches – as required
5. COMPASS switch – as required
6. TROOP WARN switches – OFF
7. HTG switches – as required
8. W/S WIPER switch - OFF
9. ELEC switches – OFF
10. LTG switches – as required
11. FUEL CONT switches – as follows
12. XFEED switch - OPEN
13. REFUEL STA switch – OFF
14. L MAIN FUEL PUMP switches – ON
15. All remaining FUEL PUMP switches - OFF
16. ENG COND levers – STOP
17. FADEC switches – as follows
18. B/U PWR switch - OFF
19. LOAD SHARE switch – TRQ
20. 1 and 2 PRI/REV switches – PRI
21. NR% switch - 100
22. INTR LTG switches – as required
23. PLT LTG – as required
24. ANTI-ICE switches – OFF
25. HOIST switches – OFF
26. CARGO HOOK switches – as follows
27. MSTR switch - OFF
28. HOOK SEL switch – as required
29. EMER REL switch - OFF
30. HYD switches –as follows
31. PWR XFER switches - OFF
32. FLT CONTR switch – BOTH
33. PWR STEER switch – ON
34. RAMP switch - ON
35. FIRE PULL handles – IN
36. AGENT DISCH switch – Check
37. XMSN OIL PRESS switch – SCAN
38. XMSN OIL TEMP switch – SCAN
39. VGI switches – NORM
40. CYCLIC TRIM switch – AUTO
41. AFCS SYSTEM SEL switch – OFF
42. Avionics equipment – OFF
43. SWIVEL switch - LOCK