View Full Version : Hydraulics A & B
Fly gal
8th Oct 2001, 21:04
Does anyone have an easy way to remember what is on the A sys, and what is on the B sys, of the 737/300, would love any help.
[ 08 October 2001: Message edited by: Fly gal ]
spannerhead
9th Oct 2001, 03:25
Bfor Brakes is a start
Hot End
9th Oct 2001, 13:00
could never remember even in an alcoholic haze, until I found out it was easier to remember what wasn't on each.
If you accept each will have flight controls & it's respective thrust reverser & A/P, then the "A" system has gear & ground spoilers & the "B" system has flaps and yaw damper.
That help??? I dunno
spannerhead
9th Oct 2001, 19:43
Look at the right wing flight spoilers.
A and B
inbd A.....otbd B.
The other wing is a mirror image.
All primary flight controls use A and B.
Redpanda
11th Oct 2001, 09:58
In reference to System B, just think BORFY!
B: Brakes
O: Outboard flight spoilers
R: Rudder
F: Flaps
Y: Yaw Damper (also sys. A input)
and the R/H Reverser.
Everything else sources from System A. Primary flight controls have duplicated systems and manual reversion.
Checkboard
11th Oct 2001, 13:33
.. and Autopilot B, and Alternate nose wheel steering (where fitted) ;)
Sink Rate
11th Oct 2001, 15:21
NB 2ROSY FLED
System B:
Normal Brakes
#2 reverser
Outboard Spoilers
Yaw Damper
Flaps
Leading Edge Devices
Everything else is on System A!
Fly gal
12th Oct 2001, 20:28
Thanks for all the wonderful answers! Now that I have this solved "what happens when I press this Red button"......
[ 12 October 2001: Message edited by: Fly gal ]
rr892igw
13th Oct 2001, 11:54
TRY THIS:
HYD A,
A-A/P A
R-RUDDER
E-ELEVATOR & FEEL
A-AILERONS
L-LANDING GEAR
G-GROUND SPOILERS
I-INBD FLT SPOILERS
A-ALT BRAKES
N-NOSE WHEEL STEERING
T-NO.1 THR REVERSER
P-POWER TRANSFER UNIT
HYD B,
A-A/P B
R-RUDDER
E-ELEVATOR & FEEL
A-AILERONS
L-LEADING EDGE DEVICES
T-TRAILING EDGE FLAPS
O-OUTBD FLT SPOILERS
Y-YAW DAMPER
B-NORMAL BRAKES
A-AUTOSLATS/ALT NOSEWHEEL STEERING*
T-NO.2 THR REVERSER
* AS INSTALLED :)
Pengineer
14th Oct 2001, 20:50
Its all here...
http://www.b737.org.uk/schemehyd.gif
With thanks to Chris Brady for his excellent site.
http://www.stopstart.fsnet.co.uk/mica/FarSKid.gif
Pengineer
[ 14 October 2001: Message edited by: Pengineer ]