(4) Code 23 — Issue recurrent standard airworthiness certificates for U.S.-registered aircraft.

(5) Code 24 — Issue recurrent standard airworthiness certificates for non-U.S. manufactured aircraft imported from countries other than the country of manufacture with which      the United States has a bilateral agreement(s).

(6) Code 29 — Issue special flight permits for U.S.-registered aircraft for the purposes

outlined in § 21.197(a)(1), (2), (4), and 21.197(b).

(7) Code 31 — Issue recurrent export airworthiness approvals for class I products in

accordance with part 21, subpart L.

(8) Code 32 — Issue recurrent export airworthiness approvals for class II products that are manufactured and located in the United States in accordance with part 21, subpart L.

(9) Code 33 — Issue replacements for lost, or mutilated standard or special airworthiness

certificates if the proper documentation can be obtained from the applicant.

(10) Code 49 — Issue notification of completion to air carriers after conducting records

reviews and aircraft inspections required by the Aging Aircraft Safety Act of 1991 in accordance with the certificate-holding district office’s procedures.

(11) Issue original standard airworthiness certificates for U.S.-registered aircraft and original airworthiness approvals for engines, propellers, parts, and appliances that conform to the approved design requirements and are in a condition for safe operation.

(12) Issue special airworthiness certificates, in the experimental category, for the purpose of showing compliance with 14 CFR chapter I, for U.S.-registered aircraft which have undergone changes to the type design and require flight test prior to the issuance/reissuance of an airworthiness certificate.

(13) Make conformity determinations on aircraft, engines, propellers, and parts thereof to be used for design evaluation programs; for example, TC and supplemental type certification (STC) programs, and complete all necessary reports.

Authority includes Rotorcraft of Normal Category 14 CFR Part 27.

Limitations None.

Associate DER Services Structures

Capabilities:

• Aircraft Structures / Systems Design and Modifications

• Airframe Structural Repair Design

• FAA Project Coordination

• FAA DER (Designated Engineering Representative) Approvals

• Computer Aided Design (CAD) AUTOCAD Rel 2000 / Autodesk Inventor

• Conventional Design (drafting board)

• Stress Analysis / Reports

• Finite Element Analysis (FEA) COSMOS

• Finite Element Analysis (FEA) NASTRAN time share

• MATHCAD Programming

• Static Module Testing

• Strain Gage Installation, Instrumentation, and Testing

• Flammability Testing

• Evacuation Testing

• Component Qualification and Testing

• Weight and Balance Reports

• Development of Technical Manuals

• Generation of Process Specifications

• Support Equipment / Machine Design and Fabrication

STC’s:

ST02714AT Interior passenger cabin seating arrangement in accordance with Cotney Aerospace, Inc. Master Data List. (737-300 Series)

SA00816AT Installation of a modification to the fuel transfer system. ( A-765-Raytheon Aircraft Company- D18S)

ST00631AT Installation of a Galley. (Bombardier Inc. –CL-600-2B16 [ CL-601-3R])

ST02179AT Installation of Airshow 400 In-Flight Entertainment System. (A21EA-Bombardier Inc.- CL600-2b16 [ CL-601-3A])

ST02576AT Configuration -001 installation of a Bendix-King KMH 880 Multi-Function Hazard Awareness (MFHA), certification. ( A22CE- Cessna Aircraft Co. -560 )

ST09604SC Installation of a modified aircraft interior. Approval limited to installation on Boeing 737-291.

Assosciate DER Services (Avionics, Electrical and Systems DER)

Capabilities:

CAR3, CAR4b, Part 23 and Part 25 airplanes: Detail Design and installation, Equipment qualification, Service Documents and Major Repairs for the following: Air Conditioning, Hydraulics, Oxygen, Fire Protection,

Detail Design and installation, Equipment qualification, Service Documents, Electrical Load Analysis and Major Repairs for the following: Electrical Equipment and systems, Electronic Equipment/Systems, Communications/systems/antenna's, automatic flight controls/augmentation, instruments, navigation systems/antennas, warning systems, interior/exterior lighting, flight data/voice recording, passenger address/entertainment, major repairs,

STC’s:

ST-01785AT Installation of a Dual UNS-1C Nav. System- GPS, Dual Collins VHF 700A Comm. And a third Vertical Gyro. ( A3WE – Boeing Co. – 727 )
ST02030AT Installation of additional recording parameters into existing Digital Flight Data Recorder. (4A25 DC-860/70 Series)
ST02336AT Installation of additional recording parameters into existing Digital Flight Data Recorder. ( Boeing 727-100 Series/ -200 Series)
ST02396AT Installation of a 9 passenger interior configuration. Approved for serial number 257118 ONLY. (A3EU Raytheon Aircraft Co. – HS125 Series 700A)
ST03062AT Installation of a single Sandel P/N: ST3400-001 Terrain Awareness and Warning System with Remote Magnetic Indicator (TAWS/RMI) in accordance with DC Aerospace Report MDL-2524, Rev. A. ( 6A6 Kelowna Flightcraft R & D Ltd. Convair –340/440)
ST00653DE Latitude Technologies Corp. SkyNode SATCOM system in Lear Jet Model 31, 31A, 35, 35A, 36, & 36A airplanes.
ST02819AT Descriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made in Bombardier Model CL-600-1A11 S/N: 1008. Installation of a passenger Supplemental Oxygen System.