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INSTRUMENTATION DESIGN AND APPROVAL

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Title 14 CFR Part 21, Certification. Title 14 CFR Part 25, Airworthiness Standards ... AC 21-40, STC Application Guide. AC 25-10, Non-required Equipment installation ... – PowerPoint PPT presentation

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Title: INSTRUMENTATION DESIGN AND APPROVAL


1
INSTRUMENTATIONDESIGN ANDAPPROVAL
  • HAIS Developers Workshop

2
REQUIREMENTS
  • Regulatory
  • Title 14 CFR Part 21, Certification
  • Title 14 CFR Part 25, Airworthiness Standards
  • Title 14 CFR Part 43, Maintenance,and Alteration
  • Title 14 CFR Part 91, General Ops and Flight
    Rules
  • Guidance
  • AC 21-40, STC Application Guide
  • AC 25-10, Non-required Equipment installation
  • AC 43-13, Acceptable Methods- Aircraft
    Alterations
  • AC 43-210, Field Approval Procedures
  • NSF/NCAR GV Investigators Handbook

3
APPROVAL PROCESS
  • Research
  • Plan and determine eligibility
  • Submit Data Package
  • Descriptive and substantiating data
  • Inspection and Test
  • Detailed parts, components, and subassemblies
  • Perform Alteration / Installation
  • Inspection and Test
  • Assembly, modification and installation
  • Flight Clearance

4
PRIMARY RESPONSIBILITY
  • Research Developer NCAR
  • Submit Data Package Developer
  • Inspection and Test Developer
  • Perform Alteration NCAR
  • Inspection and Test NCAR
  • Flight Clearance NCAR

5
DATA PACKAGE
  • Descriptive Data
  • Completely define a given design, including all
    critical equipment, parts, and attachments
  • Drawings, sketches, marked-up photographs,
    process specs,
  • Substantiating Data
  • Shows compliance with the applicable regulations
  • Basic loads analysis, structural analysis,
    electrical load analysis, test plans and reports,

6
TESTING
  • Detailed parts, components and subassemblies
    produced by the developer are considered
    miscellaneous, non-required equipment and
    normally do not require testing for approval.
  • Testing may be prudent to ensure equipment
    operability on the GV platform (see RTCA/DO 160D,
    Environmental Conditions and Test Procedures for
    Airborne Equipment and NSF/NCAR GV Investigators
    Handbook)
  • Assembly and installation testing by NCAR may be
    required for approval (EMI/RFI, structural,
    icing,)

7
KEY DESIGN GUIDELINES
  • Consult GV Investigators Handbook Section 5 for
    structural and electrical design criteria
  • Utilize appropriate materials
  • Metallic materials MMPDS 001 (Formerly
    Mil-Handbook 5H)
  • Aerospace quality hardware (AN, MS, NAS, NASM)
  • Genuine Aircraft Hardware Co. is a good source
    (http//www.gen-aircraft-hardware.com)
  • Fasteners must incorporate some locking method
  • Non-metallic materials must meet flammability
    requirements (non-flammable or self-extinguishing)
  • Windows must be non-splintering and able to
    maintain cabin pressure after any single failure
    in the installation.
  • Design within aircraft capabilities

8
LOADS
  • Ultimate vertical loads factors
  • Forward fuselage (GVFS44.5-GVFS229) 6.0g
  • Mid fuselage (GVFS229-GVFS632) 6.43g
  • Aft fuselage (GVFS632-GVFS758) 7.0g
  • Tail compartment (GVFS758-GVFS956) 8.12g
  • BL193 wing store 6.23g
  • Vertical tail deck 8.9g
  • and BL123 and BL264 wing store
  • Design pressures
  • Max emergency relief valve pressure 10.48 psi
  • Design limit pressure 1.67 x 10.48 17.50 psi
  • Design ultimate pressure 1.50 x 17.50 26.25
    psi

9
EXTERIOR CAPABILITIES
  • Apertures
  • External equipment Wtmax 50 lbs, Af 54 sq
    in, hcg 12 in
  • Internal equipment Wtmax 25 lbs, V 16x16x8
    in, hcg 8 in
  • Optical Ports
  • Optical units Wtmax 90 lbs
  • External equipment at aft, lower Wtmax 36 lbs,
    Af 64 sq in, hcg 10 in
  • Window Blanks
  • Equipment Ø2 in, Mmax 600 in-lbs
  • Wing Hard-points
  • BL193 Ø20 in, L 13.3 ft, Wtmax 1500 lbs
  • BL123 and BL264 2 PMS style probes per
    hardpoint

10
LARGE WING STORE
BL193
11
SMALL WING STORE
BL264
BL123
12
INTERIOR CAPABILITIES
  • Cabin Floor
  • GVFS229-GVFS426 49 psf over entire width
  • 98 psf with 20 in aisle
  • GVFS426-GVFS632 100 psf
  • GVFS632-GVFS758 65 psf
  • Floor Track
  • Track from GVFS229 to GVFS632 at LBL and RBL18.5
    and BL 30.5
  • Maximum of three attachments between adjacent
    floor beams
  • Ceiling Track
  • Track from GVFS277 to GVFS600.5 at LBL and
    RBL18.5
  • Maximum of two attachments between adjacent
    frames
  • Equipment, wiring Wtmax 4 lbs / in

13
GV PLANVIEW
14
RACK CAPABILITIES
  • Standard equipment rack
  • Dims 50.1 in tall x 28 in deep x 21.5 in wide
  • 24U (42 inch) EIA mounting rails on forward and
    aft face for standard 19 in rack mounted
    equipment
  • Mounting plate on bottom and top face
  • 3.6 in vertical clearance between mounting plates
    and EIA rails
  • Maximum equipment weight 360 lbs
  • 240 lbs max for either forward or aft face
  • 60 lbs max for top mounting plate
  • Maximum equipment moment 8820 in-lbs
    (reference frame to lower plate interface)

15
CABIN LAYOUT
16
RACK DESIGN
17
QUESTIONS
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