IOLAR BACKGROUND INFORMATION AND RESTORATION
The Original Iolar
The first Aer Lingus Iolar aircraft was De Havilland DH84 Dragon EI-ABI
named ‘Iolar’ (Eagle), which was delivered to the newly formed airline from
Blackpool and West Coast Air Services in May 1936. When the Irish
Government decided to proceed with the establishment of Aer Lingus and the
launch of scheduled cross-channel air services, it arranged with UK airline
pioneer Gordon Olley to provide a turn-key service via one of Olley’s
companies, Blackpool and West Coast Air Services. This company provided
the aircraft, the financing, the flight crew and the technical support for the new
venture.
The Dragon was probably the ideal starter aircraft for Aer Lingus, having been
designed for operation on routes with low traffic density without subsidy
support, and so good economics were paramount. The aircraft turned out to
be well-suited to this target market, featuring low fuel consumption of just 13
gallons per hour and its basic, simple design ensured low maintenance costs.
Its cruising speed was a rather sedate 110mph, so it was really only practical
on relatively short sectors; the Dublin-Bristol route was nearing the limit of its
capability.
On May 27th, 1936, the first Aer Lingus flight from Dublin(Baldonnel Military
Aerodrome) to Bristol was operated by the Iolar, then the only aircraft in the
Aer Lingus fleet.
The original Iolar was sold in February 1938 back to Olley Air Services. It flew
in the livery of one of Olley’s other companies, Great Western and Southern
Airlines, and it operated a service between Lands End and the Scilly Isles.
Sadly the original Ioalr became a casualty of war on Tuesday June 3rd, 1941.
The New Iolar
The DH84 Dragon, now restored with loving care by Aer Lingus personnel at
Dublin Airport, it is a sister ship of the original Iolar. By a happy coincidence, it
too celebrates its 75th Anniversary in 2011, Aer Lingus’ 75th birthday year.
It was built in Hatfield, England in 1936. Originally registered G-AECZ, it was
flown by Western Airways and Scottish Airways until it was impressed into the
RAF’s 110(Anti-Aircraft Cooperation) Wing in May 1940.
It came to Ireland in March 1950, registered EI-AFK, when it was sold to Mr.
Cleary of Mullingar. Five months later, it went to Captain Darby Kennedy of
Weston Aerodrome near Dublin and was used for light charter work and
pleasure flying. It was withdrawn from service in January 1959.
In 1967 the Dragon was purchased by Aer Lingus, painted in the colours of
the original Iolar and flown to Dublin Airport by Captain Kennedy on
September 1st of that year.
The Eagle Flies Again
When the first plans for the 50th Anniversary of Aer Lingus were being
prepared, John Molloy, the then quality assurance inspector in the airline’s
Maintenance and Engineering Department and a keen private flyer,
suggested that the Dragon could be made airworthy again as part of the
celebrations. He approached colleague Captain JJ Sullivan, a pilot on the
company’s Boeing 747 fleet and like Molloy, Sullivan too was a private flyer of
small aircraft. They put the proposal to Aer Lingus which readily agreed to
finance the restoration work.
The main structure of the aircraft was in good condition. The frame is made
up of high-quality spruce and only a small number of wing ribs needed repair
or replacement. Metal areas were x-rayed, some minor areas of corrosion
were treated, and some landing wires and control cables were replaced.
Brendan O’Donoghue of the Irish Air Corps was responsible for the
replacement of the plywood floor and sidewall panels and John Molloy
replaced the original linen covering with polyester-based fibre. Other work
was carried out by enthusiastic members of the airline’s Maintenance and
Engineering Department. Surprisingly, spares were common to other vintage
aircraft.
In August 1985, the Dragon was officially re-registered EI-ABI, which was the
registration of the original Iolar. It was flight tested and received its Certificate
of Airworthiness in 1986.
In December 2009, Aer Lingus’ newly-appointed Chief Executive, Christoph
Mueller, decided to have the Dragon restored to airworthy state in time for the
airline’s 75th Anniversary in May 2011. John Molloy, now retired from Aer
Lingus, agreed to oversee the work again, which was undertaken by a team of
volunteers in Aer Lingus’ Hangar 6. The work involved was significant, and
included the removal of the outer and inner wings to replace the wing
attachment tie rods as well as extensive inspection and repair of the aircraft’s
structure and fittings. On the afternoon of February 24th, 2011, the Iolar took
to the air again at Dublin Airport on its initial post-restoration test flight, which
was fully satisfactory.
Since February the Iolar has flown on many occasions at airshows and events
surrounding the Aer Lingus 75th anniversary celebrations. On May 27th 2011
an Taoiseach, Enda Kenny joined a number of other on Iolar pleasure flights
from Dublin airport.
The ‘Iolar’ is owned and operated by The Aer Lingus Charitable Foundation.
The Foundation is engaged in the preservation of this historic aircraft for the
purposes of advancing the public awareness of the history of Irish aviation.
BRIEF SPECIFICATION
The Iolar is a twin-engined passenger bi-plane.
Wings:
Of wooden construction, wire braced and arranged to fold and fabric covered.
Ailerons on all four wings operated by DH patent differential control.
Fuselage:
Of special wooden ply construction, covered with fabric and embodying a
special scheme of anti-climatic protection.
Tail Unit:
Of orthodox monoplane design, wooden construction and fabric covered.
Rudder is balanced and elevators are unbalanced. Adjustable tail plane, full
castor tail wheel with pneumatic tyre and auxiliary springing.
Under-carriage:
Divded semi-cantilever type, track 12 feet. Only two moving parts are
employed. Dunlop medium pressure tyres and Bendix brakes.
Engines:
Two 130bhp Gipsy Major inverted engines, housed, with petrol and oil tanks,
on inner sections of lower planes.
Accommodation:
Pilot in glazed cockpit totally enclosed. Passenger cabin is aft of pilot’s cockpit
with accommodation for six passengers (normal arrangement) or equivalent
weight of freight, with door on port side. Separate luggage compartment (45
cubic feet); with a door on starboard side.