Standard Operating Procedures
L410 UVP-E20
Document No.:
SOP-L410-1
Page 7- 8
Rev: 1
Date: JAN 18
Prepared by: LA
Checked by : CLS
7.8 Approach Deviation Callouts
The use of the “two communication” rule is essential to a well-structured multi-crew operation. At
any stage of flight, where a challenge is made and no response is forthcoming, a second
challenge should be made. If there is still no response, INCAPACITATION must be assumed and
the PM must take control.
The purpose of standardising a set of challenges and the responses is to ensure that crew
member(s) have a base line for determining when the two communication rule can be applied
and to provide a fixed reference format that makes flight operations and communications on
the flight deck with different crew easier.
The call outs also ensure that there are no misunderstandings and provide a doorway for crew to
question performance and standards that are below company requirements.
NOTE
Crew may emphasize the call outs below by using the word check
Condition
Caller
Call
Action
Respon
der
Response
Aircraft descends
belowan approach
minimum altitude
PM
“Altitude”
PFclimbsto
minimum
altitude
PF
“Correcting”
Localizer½ scale
deflectionor more
PM
“Localizer”
PFtakes
corrective
action
PF
“Correcting”
Course½ scale
deflectionor more
PM
“Course”
PFtakes
corrective
action
PF
“Correcting”
Morethan5 degreesfrom
final approach
course(NDB)
PM
“Course”
PFtakes
corrective
action
PF
“Correcting”
Summary of Contents for L410 UVP-E20
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