4 stages of a standard departure
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4 stages of a standard departure
Hi,
I've just can't find the answer to this simple question !
Q. what are the 4 stages of a standard departure ?
Is it ground roll, climb out etc or is there other terminology ?
any info on the matter would be appreciated
best,
bultaco
I've just can't find the answer to this simple question !
Q. what are the 4 stages of a standard departure ?
Is it ground roll, climb out etc or is there other terminology ?
any info on the matter would be appreciated
best,
bultaco
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Very roughly:
1st Seg: Rotation - Screen height (35 ft)
2nd Seg: Screen - Acceleration height (1000 ft or whatever) at V2-ish
3rd Seg: Acceleration, some non negative rate of climb
4th Seg: Clean climb to 1500 ft or wherever the single engine procedure ends.
1st Seg: Rotation - Screen height (35 ft)
2nd Seg: Screen - Acceleration height (1000 ft or whatever) at V2-ish
3rd Seg: Acceleration, some non negative rate of climb
4th Seg: Clean climb to 1500 ft or wherever the single engine procedure ends.
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Not quite correct Cardinal...with respect.
Segment
1. 35ft above ref. zero (15 ft on wet runway) to point/height at which gear fully retracted.
(N.B. first bit of climb to screen height is part of scheduled take-off distance required)
2. Gear-up height to level-off height (if required and min 400ft) for flap retraction. Min speed V2.
3. Acceleration (level if required) to accomplish flap retraction.
4. Final segment climb (with flaps fully retracted) to min 1500ft.
....if memory serves.
Segment
1. 35ft above ref. zero (15 ft on wet runway) to point/height at which gear fully retracted.
(N.B. first bit of climb to screen height is part of scheduled take-off distance required)
2. Gear-up height to level-off height (if required and min 400ft) for flap retraction. Min speed V2.
3. Acceleration (level if required) to accomplish flap retraction.
4. Final segment climb (with flaps fully retracted) to min 1500ft.
....if memory serves.
AFAIK
!st seg: 35ft HAT, 1EO, T/O thrust, T/O flap, gear retracting, ends with gear up
2nd seg: gear up, 1EO, T/O thrust, T/O flap, scheduled min gradient, ends 400ft HAT
3rd seg: gear up, 1EO, T/O thrust, flaps retracting, pos gradient, ends flap up
4th seg: 1EO, clean, T/O thrust, accelerate to enroute climb speed, pos gradient
Gradients depend on number of engines, T/O thrust time limits may intrude and escape procedures may modify heights. 2nd seg may end at different HAT in certain regulatory jurisdictions.
!st seg: 35ft HAT, 1EO, T/O thrust, T/O flap, gear retracting, ends with gear up
2nd seg: gear up, 1EO, T/O thrust, T/O flap, scheduled min gradient, ends 400ft HAT
3rd seg: gear up, 1EO, T/O thrust, flaps retracting, pos gradient, ends flap up
4th seg: 1EO, clean, T/O thrust, accelerate to enroute climb speed, pos gradient
Gradients depend on number of engines, T/O thrust time limits may intrude and escape procedures may modify heights. 2nd seg may end at different HAT in certain regulatory jurisdictions.
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I have seen a couple of flight manuals which schedule a 5th
segment for a final acceleration to enroute climb.
segment for a final acceleration to enroute climb.
plane I know that has an Earth Curvature componant built
into the TO charts.....so I reckon!
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Slasher, the Argosy was just ahead of it's time. Satellites use the curvature of the earth to maintain level flight, falling but maintaining "level" flight at the same time, neat trick!
Armstrong Whitworth were truly world leaders!
John_T, interested to know which aircraft had 5th segment data provided in the AFM. I routinely build 5th segment into RTOWs and OEISIDs from "base" data, interested to know if you or other good folk like Mutt do the same thing.
Regards,
Old Smokey
Armstrong Whitworth were truly world leaders!
John_T, interested to know which aircraft had 5th segment data provided in the AFM. I routinely build 5th segment into RTOWs and OEISIDs from "base" data, interested to know if you or other good folk like Mutt do the same thing.
Regards,
Old Smokey
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Slasher (who, like you, knows who I am ... even if I haven't quite worked out who you both are yet) knows my background ... indeed the AW650s are the manuals to which I refer.
The Argosy's main claim to fame was its ability to convince any doubters that the back end of an aeroplane does, indeed, dance a fine jig in flight.
Nonetheless a real man's cockpit ... just about needed a loud hailer for commander and F/O to converse.
... many tales in the back of the memory ....
The Argosy's main claim to fame was its ability to convince any doubters that the back end of an aeroplane does, indeed, dance a fine jig in flight.
Nonetheless a real man's cockpit ... just about needed a loud hailer for commander and F/O to converse.
... many tales in the back of the memory ....
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Still amazes me that the average line pilot is often expected to recite this stuff.
I mean let's face it, you're either performing or flying the engine out procedure.
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I mean let's face it, you're either performing or flying the engine out procedure.
bbbbbbbbbbbbbbzzzzzzzzzzzzzzzzzbbbbbbbbbbbbbbbbbzzzzzzzzzzzz zzzzz
and passed!
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whats that all about then !
Hi
Whats all that stuff about then, I vaugely remember something about T/O segments for Perf A from doing the JAR exams but have since forgotten all about it !
A indepth explanation would be most appreciated !
Thanks
Roja
Whats all that stuff about then, I vaugely remember something about T/O segments for Perf A from doing the JAR exams but have since forgotten all about it !
A indepth explanation would be most appreciated !
Thanks
Roja
Slasher,
You must be an old guy if you flew the wheelbarrow
Gentleman's international transport - G&Ts at all points via Med, Gulf, Gan, SIN to HK.
you must be thinkin about the Argosy
Gentleman's international transport - G&Ts at all points via Med, Gulf, Gan, SIN to HK.
Moderator
... now that brings back memories of a hard working and dedicated flying chap for whom I have the highest regard ..... did he tell you about our exercise with both feathered to get drag polars on an Aztec .... first run opened his eyes just a little ...
Do you have an email contact for John these days ? .. haven't seen him in years ... perhaps you can email or PM to me ?
regards,
John
Do you have an email contact for John these days ? .. haven't seen him in years ... perhaps you can email or PM to me ?
regards,
John