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Over several months aircraft production was refined into a 10 stage
procedure;
(1) Aircraft arrives on station.
(2) To receipt park - loose equipment removed except when aircraft
arc in sealed crates or Eronell (protective covering which
‘embalmed’ aircraft for open storage or transport as deck cargo).
(3) Preparation of Servicing and Inspection Forms by the Inspection
Section.
(4) Aircraft is allotted to a hangar for production – entry to the
hanger was staggered in order to avoid having two aircraft reach the
sane stage at the same tine. A system approach ensured that Gunnery,
Radio and Electrical sections worked on each aircraft in turn, and
at stages where this work would not interfere with the Airframes and
Engine ratings. Available modifications were incorporated during
erection or inspection.
(5) Aircraft arrives at the end of hangar line for gun alignment,
and final check by inspection team; during this final check an
aircraft moves out of the hanger engine running.
(6) Move to Stop butts for gun firing and harmonisation.
(7) Move Compass base – if an aircraft carries Radar it goes to
Radar Base before the Stop butts, (Avengers are not Butt tested).
(8) Check Test Flight,
(9) To Storage - Category "B".
(10) Transferred to Storage - Category ''A" when loose equipment is
available and the aircraft has been doped.
The output levels achieved fell well short of the production
programme, partly due to a lack of airframes being delivered, and
partly by the state in which crated or preserved airframes arrived
on the station. Aircraft were received in varying states of
equipment installation, some arriving completely installed, others
partially installed and in many instances completely void of all
equipment, in these cases it has been despatched separately and may
not arrive with the airframe. In the case of aircraft arriving with
equipment installed, it was found that in the majority of cases all
the equipment was in first class condition, requiring only a minimum
of work to complete the testing and final installation of the
aircraft. Aircraft which were only partly installed (and in some
oases only partly modified) caused serious delays owing to a lack of
spare equipment. Considerable delay was also experienced due to
aircraft arriving minus their entire radio equipment.
Being installed at an operational aerodrome none of the mobile
Flying Control equipment supplied for MOONAB II was used, however
YHF/DF, YG and JG Beacons and ground W/T installations were
installed. MONAB II suffered from a serious shortage of M/T spares,
Spare parts issued in England were in the majority not required and
those required had to be purchased where possible from local
sources. Additionally no spare parts were issued for Fordson 15 cwts.
The personnel of 723 Squadron arrived from RNAS Nowra, MONAB I, on
28th February to commission as a Fleet Requirements Unit and receive
their initial equipment issue of 8 Martinet TT.I and 8 Corsair II
aircraft (the aircraft assembled by the advance party). The squadron
was also temporarily issued with 2 Expediter passenger aircraft in
order to initiate a communications flight prior to the arrival of
724 Squadron which was to operate as a dedicated communications
flight.
724 Squadron commissioned at Bankstown on 10th April 1945 to carry
out communications duties. Initial equipment was 2 Expediter Is
{from 723} & 2 Anson Is.
723 FRU moved to Jervis Bay on 1st May 1945 to begin operations as a
Fleet Requirements Unit. On the14th 1830 & 1833 squadrons
disembarked their Corsair IIs from HMS Illustrious; 1833's personnel
re-embarked the same day, their aircraft being retained at
Bankstown. 1830 squadron re-embarked in Illustrious for passage to
UK on May 24th.
A royal visit was made to the station on June 1st
as Prince Henry, Duke of Gloucester, the Governor-General of
Australia, toured the facility. Whilst there he test fired a
Browning 50 calibre aircraft machine gun at the test butts. The
prince signed the gun's
log book
'Henry' [but signed in the wrong place] the log was later
raffled and was won by AM(O) 'Jimmy' Dixey.
'A' Flt 1701 A.S.R. Squadron's Sea Otters moved here from RNAS
Maryborough for detached duties on July 24th, returning to
Maryborough August 7th. On August 23rd the recently disbanded 1834 &
1836 Squadrons aircraft were delivered from HMS Victorious, via
Maryborough, for disposal.
'A' Flt 1701 A.S.R. squadron arrived from Maryborough for detached
duties on October 15th, returning to Maryborough on the 21st.
MONAB II and HMS NABBERLEY paid off at Bankstown on March 31st 1946,
the station returned to R.A.A.F control. 724 Communications squadron
moved to RNAS Schofields, MONAB VI, to continue operations.
By the war’s end Bankstown had carried out 2,500 Test Flights with
only four major accidents (one complete loss and three major
damages); three other accidents were due to the soft state of the
airfield resulting in aircraft nosing up either after landing or
whilst taxiing.
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Page 2 of 2

The men of the Maintenance test flight at Bankstown.
Remembering
Bankstown:
"As
you might expect, every piece of equipment in the aircraft was checked -
radio, guns, hydraulics, engine performance, and handling characteristics. I
normally took my observer and air gunner with me on all test flights, even
when I was doing stalls with and without flaps, and diving to maximum
permissible speed. It was during the last manoeuvre that a couple of
incidents occurred that made me change my normal procedure.
If my memory is correct, the maximum permissible diving speed (as per the
handbook) was 320 knots. The maximum speed we were obliged to attain during
test flight was 310k. However, since I was fully aware that front line
squadrons frequently achieved speeds of up to 350k I saw no reason why I
should pass an aircraft as being fit for operational service unless I had
also flown It to this speed.
The first two months passed uneventfully, but one afternoon, just as I
was approaching 350k in a dive, part of the skin on the upper surface of the
wing started to fold back, creating some minor turbulence. From then on I
took off by myself to do the stalls and dive to maximum speed, after which I
landed again to take on my crew to complete the rest of the test schedule.
It was just as well that I did, for on one occasion, just as I was
approaching 350k in a dive the aircraft went completely out of control with
my body being thrown around the cockpit and the control column belting me in
the knees.
At first I thought it was about time I baled out, but then I grabbed the
violently oscillating control column and found that I could get the aircraft
more or less under control. The elevator control seemed rather sluggish but
the other controls were fairly normal so I decided to come in for a landing.
This was achieved without too much difficulty and after taxying to the
tarmac and getting out of the aircraft I saw only too plainly what had
happened. Most of my starboard elevator had broken away during the dive.
This incident did not change my determination to push the aircraft up to
350k - the only difference being that I now started the dive from 12000 ft
instead of 10000."
S/Lt. (A)
Michael Price
Maintenance Test Pilot
MONAB II
All
images available in the photo galleries
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