For all types of approach:
Table 3 Minimum Stabilization Heights
The aircraft is on the correct lateral and vertical flight
path
(based on navaids guidance or visual references)
Only small changes in heading and pitch are required to maintain this flight path
The aircraft is in the desired landing configuration
The power is stabilized and the aircraft is trimmed to maintain the target final approach speed on the desired glide path
The landing checklist has been accomplished
as well as any required specific briefing
No flight parameter exceeds the criteria provided in Table 6 and Table 7 Table 6 and Table 7 also define the criteria for flight-parameters excessive-deviation callouts
Table 4
Note :
Non-normal conditions requiring deviation from the above elements of a stabilized approach should be briefed formally.
Flying Stabilized Approaches
Page 2
AIRBUS INDUSTRIE Getting to Grips with
Flight Operations Support Approach-and-Landing Accidents Reduction
For circling approaches, wings must be level on final when the aircraft reaches 300 ft above airfield elevation
Table 5
Excessive flight parameter deviation callouts criteria
When reaching the applicable stabilization height and below, a callout should be performed by the PNF if any flight parameter exceeds the limits provided in Table 6 and Table 7.
( * ) :
The final approach speed V APP is considered to be equal to V REF + 5 kt (or V LS + 5 kt, as applicable).
V REF is the reference target threshold speed in the full flaps landing configuration (i.e., in the absence of airspeed corrections because of wind, windshear or non-normal configuration).
( ** ) :
Refer to the applicable SOPs for applicable pitch attitude limits.
( *** ) :
Monitoring the ground speed provides an awareness of a possible impending wind shear.
Maintaining the ground speed above V APP – 10 kt provides an energy margin, in readiness for the sudden head wind to tail wind shift usually associated with wind shear.
Maintaining a minimum ground speed is performed automatically when flying in managed-speed on fly-by-wire aircraft models.
Callout Criteria
Airspeed Lower than V APP – 5 kt or Greater than V APP + 10 kt ( * )
Vertical Speed Greater than – 1000 ft/mn Note : If the approach requires more than – 1000 ft/mn vertical speed (e.g., for GS capture from above), PF and PNF should discuss the required vertical speed
Pitch Attitude Lower than ( ** ) Nose Down or Greater than ( ** ) Nose Up
Bank Angle Greater than 7 degrees
Ground Speed Lower than V APP - 10 kt ( *** )
Table 6
Flying Stabilized Approaches
Page 3
For visual and circling approaches: For all types of constant-angle approaches:
AIRBUS INDUSTRIE
Flight Operations Support
For LOC-only and ILS approaches:
Callout Criteria
LOC deviation LOC-only approach : 1 dot ILS CAT I : 1 dot ILS CAT II / CAT III : 1/3 dot or Excessive Deviation Warning
GS deviation ( ILS ) 1 dot or Excessive Deviation Warning
Table 7
Benefits of a Stabilized Approach
Conducting a stabilized approach increases the flight crew’ overall situational awareness:
.
Horizontal situational awareness, by closely monitoring the flight path;
.
Speed awareness, by monitoring speed deviations;
.
Vertical situational awareness, by monitoring the vertical flight path and the rate of descent;
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:Getting to Grips with Approach-and-Landing Accidents Reducti(127)