Figures Flashcards
TORA Safety factor (no stopway or clearway)
1.25
Dry grass (class B surface correction) takeoff
1.2
Min Vmc at Vr
1.05
Min use of tailwind reported
150%
Wet grass (class b surface correction) takeoff
1.3
TORA safety factor (stopway and / or Clearway)
1
Max use of headwind reported
50%
Wet paved (class b surface correction) takeoff
1
TODA safety factor (stopway and / or clearway)
1.15
Max slope (greater required authority approval)
2%
Per 1% upslope class b take off
5%
ASDA safety factor (stopway and / or Clearway)
1.3
Min Vs1 at V2
1.2
Class b screen height
50ft
Min Vs1 at Vr
1.1
Min climb gradient (MEP after take off)
4%
Min gradient at 1500’ (MEP) after takeoff one engine out
0.75%
Min Vmc at V2
1.1
IMC less than 15° track change (max domain width)
600m
Initial semi width
60m + 1/2 wingspan
Height where gradient must be measurably positive (MEP) one engine out takeoff
400ft
IMC greater than 15° track change (max domain width)
900m
Max initial semi width
90m
Engine failure not assumed below (MEP)
300ft
VMC >15° track change (max domain width)
600m
Vmc <15° track change (max domain width)
300m
Half width divergence rate
0.125
Climb gradient (MEP en-route engine fail)
0.5%
MEP NTOFP all engine climb gradient safety factor
0.77
Half width divergence rate
1/8th (0.125)
Descent gradient (MEP en-route engine failure)
0.5%
SEP min height above safe forced landing site (glide calculation)
1000ft
Minimum height before turning (departure sector)
50ft
Max planned altitude rate of climb (SEP & MEP)
300fpm
MEP en-route min height above destination aerodrome
1000ft
Max angle of bank in a turn (departure sector)
15°
Class b per 1% downslope landing
5%
Class b landing safety factor
1.43
Class b landing barrier height
50ft
Class b max grass length
20cm
Class b min barrier height on authority approval
35ft
Class b how much LDA that can be used
70%
Class b grass surface correction for landing
1.15
Class b wet surface correction for landing
1.15
Class b landing safety factor
0.7
MEP balked landing min climb gradient all engine
2.5%
MEP one engine out min Vs1 climb speed
1.2
Class B Vref min
1.3
SEP glide gradient en route engine fail
0.5%
MEP balked landing power / thrust available after what time
8 seconds
MEP balked landing climb speed all engine
Vref
Stall speed class b
Vs
Stall speed in the landing / approach configuration class b
Vs0
Stall speed in the take off configuration Class B
Vs1
Min control speed in the landing configuration
Vmcl
Min control speed in the given configuration
Vmc(A)
Min control speed on or near the ground
Vmcg
Speed at which rearward pressure is applied to controls shortly after which the nosewheels lift off the ground
Vr
Speed at which the main wheels leave the ground
Vlof
Min take off speed at screen height
V2 min
Speed at which an engine / major system failure would occur and recognised at the worst time
Vef
Max break energy speed to absorb aircraft momentum
Vmbe
Min landing speed at screen / barrier height
Vref
Threshold speed
Vth
Minimum unstick speed
Vmu
Max tyre speed
V tyre
Stall reference speed in the landing / approach configuration class A
Vsr0
Stall reference speed in the take off configuration (class A)
Vsr1
Stall reference speed Class A
Vsr
Class B min Vs1 at Vr
1.1
Class A min Vmc at V2min
1.1
Class A min Vmc at Vr
1.05
Class a min Vmu at Vlof (aero limit n-1)
1.05
Class A min Vmu at Vlof (Geo limit all engine)
1.08
Class a Vmu at Vlof (aerolimit all engines)
1.1
Class A min Vsr1 at V2min
1.13
Class B min Vs1 at V2min
1.2
Class A min Vmu at Vlof (geometric limit n-1)
1.04
Class A take off screen height dry
35 ft
Class A min Vsr0 at Vref
1.23
Class A min Vsr1 at V2min (4 engine turboprops)
1.08
Factor applied to TOR dry
1.15
Factor applied to TOD dry
1.15
Class A take off screen height wet
15 ft
The greater of TODn-1 wet or TOD dry
TOD wet
The greater of TOD n-1 dry or 1.15 TODn dry
TOD dry
Factor applied to TORn wet
1.15
The greater of TORn-1 dry or 1.15 TORn dry
TOR dry
The greater of TORn-1 wet or 1.15 TORn wet
TOR wet
Class A NTOFP no turns but be commenced below
50ft
Class A NTOFP angle of bank must no exceed 15° below
400ft
Class A NTOFP max angle of bank below 400ft
15°
Class A NTOFP no turns but be commenced below … if greater then 50ft
1/2 wingspan
Class A NTOFP max angle of bank 200-400ft (authority approval)
20°
Class A NTOFP above 15° angle of bank obstacle clearance is
50ft
Class A NTOFP max angle of bank above 400ft
25°
Class A NTOFP authority approval for max angle of bank increased to 30° height range
400-1500ft
Class A NTOFP authority approval for max angle of bank increase to 20° height range
200-400ft
Class A NTOFP max angle of bank 400-1500ft (authority approval)
30°
Class A NTOFP safety factor for 4 engine (one engine out)
1%
Class A NTOFP safety factor for 3 engine (one engine out)
0.9%
Class A NTOFP safety factor for twin (one engine out)
0.8%
Class A NTOFP min % gradient in the 1st segment (4 engine)
0.5%
Class A NTOFP min % gradient in the 1st segment (3 engine)
0.3%
Class A NTOFP min % gradient in the 1st segment (twin engine)
0.0%
Class A NTOFP min % gradient in the 2nd segment (4 engine)
3%
Class A NTOFP min % gradient in the 2nd segment (3 engine)
2.7%
Class A NTOFP min % gradient in the 2nd segment (twin engine)
2.4%
Min height for end of segment 2
400ft
Min height for start of segment 3
400ft
Class A NTOFP min % gradient in the 3rd segment (4 engine) used for acceleration only
1.7%
Class A NTOFP min % gradient in the 3rd segment (3 engine) used for acceleration only)
1.5%
Class A NTOFP min % gradient in the 3rd segment (twin engine) used for acceleration only
1.2%
Class A NTOFP min % gradient in the 4th segment (4 engine)
1.7%
Class A NTOFP min % gradient in the 4th segment (3 engine)
1.5%
Class A NTOFP min % gradient in the 4th segment (twin engine )
1.2%
Class A min speed used for determining baulked climb requirement
1.13 Vsr0
Class A min baulked climb % gradient
3.2%
Class A NTOFP min net % gradient in the 2nd segment (twin engine)
1.6%
Class A min speed used for determining discontinued approach climb requirement
1.41
Class A max speed used for determining baulked climb requirement
1.23Vsr0
Class A min speed used for determining baulked climb requirement
Vmcl
Class A min discontinued approach climb % gradient (4 engine)
2.7%
Class A min discontinued approach climb % gradient (3 engine)
2.4 %
Class A discontinued approach climb % gradient (twin engine)
2.1%
Max use of LDA for turbojet
60%
Class A min discontinued instrument approach climb % gradient with decision height below 200ft
2.5%
Class A mad decision height for discontinued instrument approach climb % gradient
200ft
Alternate LDA safety factor turboprop
1.43
Alternate LDA safety factor turbojet
1.67
Max use of LDA for turboprop
70%
Max runway slope without consideration
2%
Tailwind factor (landing)
150%
Headwind factor (landing)
50%
Number of alternate airfield with full landing compliance when only forecast wind comparable
2
Number of alternate airfield with full landing compliance when still wind compatible
1
Alternate landing screen height with authority
35ft
Min depth (mm) to be classed as contaminated
3mm
Min runway coverage to be classed as contaminated
25%
Dry landing distance factor for contamination
115%
Contaminated landing distance factor if published and accepted by authority
115%
