Geoffrey Fredrickbyrne has over 30 years of experience as a stress engineer in the aerospace industry. He has worked on projects for companies like Airbus, Boeing, and Embraer, analyzing structures for planes like the A320, A380, and Boeing 747. Throughout his career, he has specialized in design stress analysis, finite element modeling, and report preparation for both metallic and composite aircraft materials and components.

1. CURRICULUM VITAE
NAME: GEOFFREY FREDRICKBYRNE
NATIONALITY: BRITISH
ADDRESS: 1 Richmond Dale,
Clifton, Bristol BS8 2UB
TELEPHONE: 0044 (0)117 9 734045 email: parispont@hotmail.fr
0044 (0)7897808890 (ptbl)
RELEVANT EXPERIENCE: Thirty years as a Stress Engineer in the
aerospaceindustry, after ten years in design.
QUALIFICATIONS: HNC Foreign Language: French (fluent)
EMPLOYMENTHISTORY:
June 2014 to present: Stress engineer, Airbus UK, Filton: Checking reports, re-design analysis for
A320 Sharklet Retrofit. Other checking and analysis on range of Single Aisle Aircraft: Ribs, Spars, etc.
Dec 2013 to June 2014: Stress engineer, QUEST Bristol, UK: Reports checking and methods
investigations for DassaultFalcon business jet..
Nov 2009 to Dec 2013: Stress engineer, SITEC, Bristol, U.K.: Development of MATHCAD based
analysis methods for repairs to composite structures on A350 and A400M aircraft.
Analysis of metailic and composite structures for BLADE project (A340 research, lamina flow wing),
using PATRAN, NASTRAN, and hand methods.
Aug 2008 to Aug2009: Contract stress engineer, AMAC aerospace, Basel, Switzerland: Interior of
Airbus A320; FE modelling (FEMAP, NASTRAN) of cabinets & bulkheads (composite
materials). Also attachments to primary structure.
Feb 2008 to Aug 2008: Contract stress engineer, Airbus UK, Filton: In service repairs to all Airbus
aircraft including A380 wing fatigue test.
May. 2006 to Jan 2007: Contract stress engineer, Stork-Fokker, Papendrecht, Holland. NH90
helicopter tail composite structures. Analysis CFRP components and joints, using NASTRAN and
PATRAN.
Sept. 2005 to May 2006: Contract stress engineer, Atena GmbH, Munich. Various projects for
Airbus A380, including fuselage frame joint analysis and inner wing trailing edge, composite
work.
July 2004 to April 2005: Contract stress engineer, Jet Aviation,Basel, Switzerland:
FE modelling (NASTRAN for windows) and analysis through to completion of certification reports
of ceiling structures for Boeing 747 de-luxe conversion.
Apr. 2003 to July 2004: Contract stress engineer, Airbus UK, Filton: Stress analysis of wing
skins and stringers for A310 Multi-role transport tanker (MRTT).

2. Jan. 2002 to Mar. 2003: Contract stress engineer, Airbus France, Toulouse. (Component Design &
Build Team): Preliminary analysis and sizing of fuselage frame joints and fittings near the landing
gear for the A380.Interpreting NASTRAN results to the real structure using the Airbus PSN15
post-processor, for hand-calcs using XL Visual Basic.
(all work in French)
Jan. 2001 to Jan.2002: Contract stress engineer, Gamesa Aeronautica,
Vitoria, Spain. Static analysis of the rear fuselage frames for the Embraer 170.
Nov. 1998 to Dec. 2000: Contract stress engineer, Hurel Dubois, near Paris, France,
working on new thrust reverser for the AirbusA318, with the Pratt & Whitney PW6000
engine: Design stressing and sizing of structure and fittings. Mainly hand calcs using results from
NASTRAN. Also using PATRAN, and IDEAS.
Sept. 1996 to Nov. 1998: Contract Stress Engineer, Boeing, Seattle, USA
1) Design stress analysis of major wing fittings for engine and landing gear, including consideration of
break away conditions, on 747X (550-600 seat air liner), until cancellation of project.
2) Stress analysis of in service 747 aircraft, concerned with repairs to power plant, involved with engine
cowlings, thrust reversers, pylon structures, engine mounts and attachment fittings.
Nov. 1995 to Sept. 1996: Contract Stress Engineer, WestlandAerospace, Isle of Wight, U.K. Engaged
on stress analysis of composite structures for EH101 helicopter, using NASTRAN and PATRAN 3.
Consideration of fireproofing requirements of composite engine cowlings for certification.
Feb. 1995 to Oct 1995: Contract Stress Engineer, Canadair, Montreal,
Initial design stressing on Global Express centre fuselage section and static test, including system stress
analysis. Reviewed stress reports of partners on the project.
May 1994 to Feb. 1995: Contract Stress Engineer, WestlandHelicopters, U.K.
Engaged on the check stress of the EH101 civil version. Preparing the Static Strength Reports for the
cabin roof frames and side frames.
Aug. 1992 to May 1994: Working for British Aerospace, Filton, U.K. in local contract office.
Engaged on design stressing of repairs on the AirbusA300and A310 wings. Work included hand calcs
and FE modelling using NASTRAN and MSC/XL for pre and post-processing.
Jan 1992 to Aug. 1992: Contract Stress Engineer at Sonaca, Gosselies, Belgium.
Engaged on the redesign of the Airbus A330/A340 slats. Hand calcs for the preliminary design of ribs
and panels. Using computer modelling (CATIA/SAMSEF) for final reports.
Feb. 1988 to Jan 1992: Contract Stress Engineer at British Aerospace,
Filton, U.K. Engaged on design stressing of Airbus A330/A340 wing fixed leading edge,
D-nose skin, riblets and sub spar, trailing edge inner wing panels, and hinge rib weight reduction,
(mainly hand calcs). Then PATRAN Pre- and Post-processing for NASTRAN modelling of critical areas
of front spar and wing ribs. Also using boundary element solution to determine local stresses in the spar
flanges.
Feb. 1987 to Feb. 1988: Contract Stress Engineer at Aeritalia, (now Alenia), Naples, Italy. Engaged
on design stressing of the main landing gear fairing for the ATR-72 regional transport aircraft. The work
included initial design stressing of Al. alloy frames and AFRP (kevlar) sandwich skin panels by hand
calcs and NASTRAN FE models.

3. May 1986 to Feb. 1987: Contract Stress Engineer at Shorts Bros., Belfast, Ireland.
Engaged on revised flap loading, inertia factors and engine mountings for the Shorts SD-360.
Sept. 1985 to May 1986: Contract Stress Engineer Engaged on the check stress of the Fokker F50
aircraft. Preparation of ultimate strength reports for elevator and trim tab, including hinge fittings.
Fuselage skin joints. Checking of fuselage frame reports.
May 1984 to Sept. 1985: Contract Stress Engineer on FokkerF100. Working on flap track beams, flap
mechanism and leading edge spar. Preliminary design stressing covering evaluation of loads, stressing
panels, forgings and machined items. Consideration of failsafe design, fatigue and damage tolerance.
Preparation of finite element models of flap track beams. Checking of production drawings.
Oct. 1980 to Mar. 1984: Contract Mechanical Engineer at Thorn EMIDatatech.
Duties included design and calculations of small mechanisms in tape transports,
Worked as a Project Leader on disk drive based sub-systems.
Feb. 1980 to Oct. 1980: Contract Stress Engineer at BAJ Vickers, Banwell, U.K.
Engaged on Sounding rockets and rocket launcher. Work included structural
analysis including consideration of fatigue and crack growth in pressure vessels.
1979 to Feb. 1980: Contract Stress Engineer for ShortBrothers, Belfast, Ireland
Working on engine cowlings for Rolls Royce. Calculation of external loads from given flight
envelopes prior to stress analysis of the cowling structure as the design progressed.
1977 to 1979: Contract Stress Engineer at Westland Helicopters, Weston - Super - Mare, U.K. Engaged
on detail stressing of secondary structures for the Sea King helicopter.
1976 to 1977: Contract Stress Engineer at Airlog Ltd, Aldershot, U.K.: Ground handling equipment.
1973 to 1976: Design Draughtsman, then Stress Engineer at Turner Charles Ltd, Bristol, U.K.
Stress work was on Oil Rig Structures and the inner wing of the Airbus A300B.
Design work was for a wide variety of projects including mechanisms.
1970 to 1973: Design Draughtsman on staff at Strachan and Henshaw Ltd. Bristol, U.K.
Design of Pressure Vessels and special handling equipment for Nuclear Power
Stations. Design of Glass Handling Equipment for Pilkington Glass.
1968 to 1970: Assignments in. Quebec, Canada:
1) Project Designer on staff at Sicard Inc., working on design of runway Sweeping
Machine: design improvements, service and production support.
2) Sub-contract work mainly in the Asbestos Mining Industry, on design of steel fabrications
for heavy industrial plant, electrical distribution and machine control in ore crushing mill.
1965 to 1968: Electro-mechanical Draughtsman at British Aircraft Corporation, Filton, U.K.
Engaged on instrumentation and Flight Deck design for Type 221 Research aircraft and Concorde
1961 to 1965: Served an engineering drawing office based apprenticeship with
Campbell & Isherwood Ltd. Liverpool, U.K. manufacturer of specialist marine equipment.