TM 1-1520-240-10
7A-11-1
SECTION XI. AIRSPEED CALIBRATION
7A-11-1. Description.
The airspeed calibration chart, figure 7A-11-1, defines
the relationship between indicated (IAS), and calibrated
airspeed (CAS) for level flight, climb and autorotation.
7A-11-2. Use of Chart.
The primary use of the chart is illustrated by the example.
To determine calibrated airspeed, it is necessary to know
IAS and flight regime. Enter chart at indicated airspeed,
move right to appropriate flight regime, move down and
read calibrated airspeed.
7A-11-3. Conditions.
Presented airspeed calibration charts are for CH-47D
helicopters with T55-GA-714A engines.
TM 1-1520-240-10
7A-11-2
Figure 7A-11-1. Airspeed Calibration Chart
TM 1-1520-240-10
8-1-1
CHAPTER 8
NORMAL PROCEDURES
SECTION I. MISSION PLANNING
8-1-1. Mission Planning.
Mission planning begins when the mission is assigned
and extends to the preflight check of the helicopter. It
includes, but is not limited to, checks of operating limits
and restrictions, weight/balance and loading, performance,
publications, flight plan, and crew briefings. The
pilot in command shall ensure compliance with the contents
of this manual that are applicable to the mission.
8-1-2. Aviation Life Support Equipment (ALSE).
All aviation life support equipment required for mission,
e.g., helmets, gloves, survival vests, survival kits, etc.
shall be checked.
8-1-3. Crew Duties/Responsibilities.
The minimum crew required to fly the helicopter is a pilot,
copilot, and a flight engineer. Additional crewmembers,
as required, may be added at the discretion of the commander.
The manner in which each crewmember performs
his related duties is the responsibility of the pilot in
command.
a. Pilot. The pilot in command is responsible for all
aspects of the mission planning, preflight, and operation
of the helicopter. He will assign duties and functions to all
other crew members as required. Prior to or during preflight,
the pilot in command ensure the crew is briefed on
the mission, performance data, monitoring of instruments,
communications, emergency procedures, and
armament procedures.
b. Copilot. The copilot must be familiar with the pilot’s
duties and the duties of the other crew positions. The
copilot will assist the pilot as directed.
c. Flight Engineer. The flight engineer will perform all
duties as assigned by the pilot in addition to the following
specific duties.
1. Performs or coordinates maintenance, servicing,
inspection, loading, and security of the helicopter.
2. Checks that log book is current and correct.
3. Accompanies the pilot during preflight inspection;
performs the inspection with the pilot.
4. Checks the security of each area inspected.
5. Assists in seating and securing passengers;
checks load security.
6. Ensures the helicopter is clear during all starting
procedures and informs the pilot of any objects which
would pose a hazard to the helicopter during all phases
of ground operation.
7. Visually inspects engine and ramp area for
proper operation.
8. Remove chocks and closes ramp door when
called for by the pilot.
9. Observes and gives clearance to pilots during
taxi and hover operation. Reports any object or condition
which would pose a hazard to the helicopter. When the
helicopter is being taxied in obstructed areas, the flight
engineer or other crewmembers may be required to act
as taxi director or blade watchers. Taxi directors and
blade watchers must be familiar with CH-47 ground turning
characteristics. (fig. 2-1-2 and FO-1)
10. Perform check of ramp area and MAINTENANCE
PANEL every 30 minutes of flight.
8-1-4. Crew Briefing.
A crew briefing shall be conducted to ensure a thorough
understanding of individual and team responsibilities.
The briefing should include, but not be limited to, copilot,
mission equipment operator, and ground crew responsibilities
and the coordination necessary to complete the
mission in the most efficient manner. A review of visual
signals is desirable when ground guides do not have a
direct voice communications link with the crew
8-1-5. Passenger Briefing.
The following is a guide that should be used in accomplishing
required passenger briefings. Items that do not
pertain to a specific mission may be omitted.
a. Crew Introduction.
b. Equipment.
　
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