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14 CFR Ch. I (1–1–19 Edition) 

Pt. 60, App. D 








QPS requirements 


Entry No. 

General FTD requirements 

FTD level 


4 5 6 7 

2.c. ............

Relative responses of the flight deck instru-

ments must be measured by latency tests 
or transport delay tests, and may not ex-
ceed 150 milliseconds. The instruments 
must respond to abrupt input at the pilot’s 
position within the allotted time, but not be-
fore the time that the helicopter or set of 
helicopters respond under the same condi-

Latency: The FTD instrument and, if appli-
cable, the motion system and the visual 
system response must not be prior to that 
time when the helicopter responds and may 
respond up to 150 milliseconds after that 
time under the same conditions.

Transport Delay: As an alternative to the 
Latency requirement, a transport delay ob-
jective test may be used to demonstrate 
that the FTD system does not exceed the 
specified limit. The sponsor must measure 
all the delay encountered by a step signal 
migrating from the pilot’s control through all 
the simulation software modules in the cor-
rect order, using a handshaking protocol, fi-
nally through the normal output interfaces 
to the instrument display and, if applicable, 
the motion system, and the visual system.

X  The intent is to verify that the FTD provides 

instrument cues that are, within the stated 
time delays, like the helicopter responses. 
For helicopter response, acceleration in the 
appropriate, corresponding rotational axis is 

3. Equipment Operation. 

3.a. ............

All relevant instrument indications involved in 

the simulation of the helicopter must auto-
matically respond to control movement or 
external disturbances to the simulated heli-
copter or set of helicopters; e.g., turbulence 
or winds 

A X X X 

3.b. ............

Navigation equipment must be installed and 

operate within the tolerances applicable for 
the helicopter or set of helicopters. Levels 6 
and 7 must also include communication 
equipment (inter-phone and air/ground) like 
that in the helicopter. Level 5 only needs 
that navigation equipment necessary to fly 
an instrument approach 

A X X X 

3.c. ............

Installed systems must simulate the applica-

ble helicopter system operation both on the 
ground and in flight. At least one helicopter 
system must be represented. Systems must 
be operative to the extent that applicable 
normal, abnormal, and emergency oper-
ating procedures included in the sponsor’s 
training programs can be accomplished. 
Levels 6 and 7 must simulate all applicable 
helicopter flight, navigation, and systems 
operation. Level 5 must have functional 
flight and navigational controls, displays, 
and instrumentation 

A X X X 

3.d. ............

The lighting environment for panels and in-

struments must be sufficient for the oper-
ation being conducted 

X  Back-lighted panels and instruments may be 

installed but are not required. 

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