Gulfstream V Nadir Viewport Installation

Amendment / Modification

This amendment (001) to solicitation 80AFRC26Q0002 makes the following changes:

• Responses to Questions: Includes government responses to industry questions.
• Statement of Work: Replaces the existing SOW with Attachment 1 - GVNVI Statement of Work Rev. 1.
• Solicitation Document: Replaces the original solicitation with 80AFRC26Q0002 Amendment 001 - GVNVI Combo Synopsis-Solicitation.
• Past Performance Questionnaire: Replaces the GVNVI Past Performance Questionnaire with 80AFRC26Q0002 Amendment 001 - GVNVI Past Performance Questionnaire.
• Offer Deadline: Extends the response deadline for receipt of offers to no later than 5:00 PM Pacific Daylight Time on March 20, 2026.

• Statement of Work

• Solicitation document

• Past Performance Questionnaire

• The deadline for submitting offers has been extended to March 20, 2026.

• Bidders must use the revised Statement of Work, Solicitation document, and Past Performance Questionnaire.

Statement of Work (SOW)

This Statement of Work (SOW) details the requirements for modifying a Gulfstream V (GV) aircraft, S/N 570, to install two nadir (down-looking) optical viewports and relocate associated aircraft systems. The modification aims to leverage existing technical data from a previous modification on GV S/N 672, with minimal design deviations for S/N 570.

• Baseline Modification: Install two nadir viewports and relocate aircraft systems. This includes:

  • Using A518FN1000-001, revision B, as the design baseline.
  • Maintaining geometric viewport similarity with GV S/N 672.
  • Ensuring structural integrity with a 350-pound load capacity and positive safety margins.
  • Limiting stress transfer to the provided optical window pack assembly.
  • Considering all loading sources and aircraft operating conditions.
  • Designing the window pack structural interface for required seal surfaces.
  • Supplying three aluminum viewport pressure plugs.
  • Relocating aircraft systems to provide a clear 17.4-inch minimum diameter aperture for payloads.

• Additional Payload System Modifications:

  • Modifying cabin floor structure.
  • Installing Payload GPS #2 antenna and Iridium Certus antenna.
  • Installing seat track and cabin venting box.
  • Manufacturing and delivering aerofences.
  • Installing overhead conduit in the forward cabin area.

• General Design Requirements: Provide a report demonstrating no negative impact on OEM's structural life limit, maintenance procedures, or flight operations.

• Verification and Validation: Contractor must provide a written plan and report for all Section 5.0 requirements, including activities for FAA certification.

• Analysis: Perform structural, aero, and damage tolerance analyses to satisfy airworthiness requirements. Deliver finite element models and formal reports. Obtain FAA Form 8110s before major modifications.

• Quality Management System: Contractor must comply with SAE AS9100 requirements.

• Fabrication & Aircraft Modification: Adhere to applicable OEM technical data and industry standards. Includes labor, tooling, materials, hangar facility, shoring, corrosion protection, painting, weight and balance, and FOD program.

• Procurement: Procure new materials and hardware, provide test reports and certificates of conformance, and ensure no counterfeit materials are used.

• Independent Material Testing: Conduct independent testing for safety-critical components.

• Deviations: List and obtain approval for any deviations from approved drawings or technical data.

• Ground Testing: Prepare and perform ground tests to verify design requirements and system operability.

• As-Built Drawing Package: Provide a complete drawing package documenting the as-built configuration.

• Operation & Maintenance Manual Change Pages: Provide updated manuals for affected systems.

• NASA Airworthiness Review: Support NASA's review process for flight approval.

• FAA Certification Package: Ensure all modifications meet FAA CFR 14 requirements, including logbook entries and FAA Forms 337 and 8110.

• Final Data Package / Data Requirement Documents (DRDs): Deliver an electronic data package with all generated data, including programmatic, design, reports, procurement, and FAA certification documents.

• Contract Type: Firm-Fixed Price (FFP) Baseline (CLIN 1) and Time and Material (T&M) for Over and Above work (CLIN 2). Option for Scheduled Maintenance (CLIN 3).

• Place of Performance: Primarily contractor's site, with potential for work at AFRC or other NASA locations.

• Schedule: Key milestones include Award (May 2026), SRR/PDR (June 2026), CDR (July 2026), Aircraft Delivery (August 2026), and Acceptance Review (February 2027).

• Government Furnished Data or Equipment: NASA will provide the NASA AFRC GV Aircraft S/N 570 and relevant reference documents.

• Travel: Contractor travel to AFRC for CDR and potential inspections is included in the FFP baseline effort.

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire for Solicitation No. 80AFRC26Q0002, "Gulfstream V (GV) Nadir Viewport Installation (GVNVI)". Its purpose is to gather information from current or previous customers regarding the contractor's performance on a completed or in-progress contract. This information is required by the Offeror as part of the solicitation process.

• The questionnaire requests the Name of the Contractor Requesting the Reference.
• It asks for administrative oversight personnel (e.g., COR, project manager) to respond.
• It includes fields for Contract Information, such as Project Title and Contract Number, Total Project Value, Offeror's role (prime or subcontractor), and Contract Type.
• It requires a description of the project scope or a copy of the applicable Statement of Work or Performance Work Statement.
• A rating system (Exceptional, Very Good, Satisfactory, Marginal, Unsatisfactory) is provided with definitions to assess contractor performance.
• Specific evaluation areas include Quality, Schedule, Management, and an Overall assessment, with space for an evaluator's narrative for each.
• It also includes fields for additional information and the respondent's contact details, role, and length of involvement.

Offerors responding to Solicitation No. 80AFRC26Q0002 must provide this questionnaire to their past customers. The responses from these customers will be used by the government to evaluate the Offeror's past performance, which is a critical factor in the acquisition process. The questionnaire must be emailed to Jenni Schnarr at jennifer.schnarr@nasa.gov no later than 5:00 PM Pacific Daylight Time on March 20, 2026. The information provided is considered sensitive and will not be released to the Offeror.

Solicitation / RFP / RFQ

This is a combined synopsis/solicitation (RFQ) under solicitation number 80AFRC26Q0002 for Gulfstream V (GV) Nadir Viewport Installation (GVNVI). The National Aeronautics and Space Administration (NASA) is procuring commercial services for structural modifications on a GV aircraft (S/N 570) to install nadir (down) looking optical viewports. This modification is intended to be similar to a previous modification on GV S/N 672, using existing technical data as a baseline with minimal design deviations.

• Installation of two nadir optical viewports on a Gulfstream V (GV) aircraft (S/N 570).

• Modifications must meet Federal Aviation Administration (FAA) Code of Federal Regulation (CFR) 14 certification.

• Delivery of the modified aircraft is required within 9 months after receipt of order, FOB origin.

• Offerors requiring technical data for the GV S/N 672 modification or other necessary data must request it by 5:00 PM PT on March 4, 2026.

• Contract type is anticipated to be Firm Fixed Price (FFP) for the modification and scheduled maintenance, with Time & Materials (T&M) for Over and Above materials and other direct costs.

• Estimated value for Over and Above materials and other direct costs is Not To Exceed (NTE) $850,000.00.

• The anticipated award date is on or before May 1, 2026.

• Offers must be submitted via email to tanjanica.s.jackson@nasa.gov and jennifer.schnarr@nasa.gov by 5:00 PM Pacific Daylight Time on March 20, 2026.

• The evaluation will be a competitive Price Performance Trade-Off, where technical factors and past performance are significantly more important than price.

• Evaluation factors include: Technical Acceptability, Past Performance, and Price.

• Quotes must be submitted in three volumes: Technical Approach, Past Performance, and Pricing.

• Questions or comments must be submitted via email to jennifer.schnarr@nasa.gov by 5:00 PM Pacific Standard Time on Tuesday, March 3, 2026.

• This acquisition is set-aside for small business concerns.

• NAICS Code: 336411

• Size Standard: 1,500 employees

• Offerors must state their size status for this acquisition.

• Full text of incorporated provisions and clauses are available electronically via provided links or upon request.

• The Government reserves the right to cancel this solicitation at any time.

Questions & Answers / Clarifications

This document provides responses to industry questions regarding a solicitation for modifications to NASA's Gulfstream V (GV) S/N 570 aircraft. It clarifies aspects of the contract, scope of work, and submission process.

• Contract Type: This is a brand-new contract effort, not a continuation of an incumbent contract. The previous contract for similar modifications on GV S/N 672 was 80JSC018C0011.

• Optical Window Pack: Details regarding the "NASA-provided optical window pack" (pressure plate/box, hardware, seals, etc.) are found in the GV S/N 672 Modification Technical Data documents provided to interested offerors.

• Scope of Work Boundaries: Baseline aircraft modification, including corrosion protection, sealants, primer, and interior/exterior paint (including touch-up), is included in the firm-fixed-price (FFP) baseline effort. Scheduled maintenance is included in the FFP option effort. Work outside these scopes will be addressed under Other and Additional Work (O&A).

• Approval Process: All required reviews are detailed in Section 4.4 of the Statement of Work (SOW), Section 5, and associated Data Requirements Description (DRD) documents.

• Q&A Turnaround: NASA anticipates providing approval on complete Q&A requests within 3 business days, barring any missing information.

• Option CLIN Timing: The scheduled maintenance option (CLIN 0003) will be governed by FAR clauses 52.217-5 and 52.217-9.

• Maintenance Data Access: Gulfstream maintenance documentation and CMP status reports are contained within the CMP Technical Data documents provided to interested offerors.

• The response deadline for the combined synopsis/solicitation has been extended to March 20, 2026, 5:00 PM Pacific Daylight Time. The solicitation has been updated to reflect this change.

Statement of Work (SOW) / Performance Work Statement (PWS)

This Statement of Work (SOW) details the modification of a Gulfstream V (GV) aircraft (S/N 570) to install two nadir (downward-looking) optical viewports and relocate associated aircraft systems. The goal is to support the Airborne Science Program (ASP) by leveraging existing technical data from a previous modification on GV S/N 672, with minimal deviations for S/N 570.

• Baseline Modification (CLIN 001):

  • Install two nadir viewports and relocate aircraft systems.
  • Maintain geometric viewport similarity and structural requirements from the baseline design.
  • Ensure the optical window pack structural interface limits stress transfer and has positive safety margins.
  • Consider all loading sources and aircraft operating conditions.
  • Design the window pack interface to accommodate required seal surfaces.
  • Supply aluminum viewport pressure plugs for use when aircraft is flown without a science instrument.
  • Relocate aircraft systems to provide a clear, unobstructed 17.4-inch minimum diameter aperture for payloads.
  • Ensure relocated systems allow for easy installation/removal of the window pack assembly and pressure plugs.
  • Additional Payload System Modifications:
    • Modify cabin floor structure above nadir portals.
    • Remove/install antennas (broadband, VHF #1, DME #2, Radio Altimeter #2, Payload GPS #1 & #2, Iridium Certus).
    • Install seat track in the forward cabin area.
    • Install cabin venting box.
    • Manufacture and deliver aerofences.
    • Install overhead conduit.

• Option 1: Scheduled Maintenance (CLIN 003):

  • Perform scheduled maintenance as detailed in Table 6-1, excluding aircraft engine maintenance.

• Modifications must meet Federal Aviation Administration (FAA) Code of Federal Regulation (CFR) 14 certification.

• Structural capacity: 350-pound load centered 26.2 inches above the flange interface surface.

• Optical window pack stress must not exceed 615 psi.

• Metallic portions of the window pack assembly must have a Factor of Safety equal to 2.0.

• Contractor must have an AS9100 compliant Quality Management System.

• Foreign Object Debris (FOD) program required.

• Place of Performance: Contractor's site, including aircraft modification and ground/flight testing. NASA may require performance at AFRC or other NASA locations.

• Schedule: Baseline schedule (CLIN 001) includes milestones from Award (5/1/2026) through Aircraft Acceptance by NASA (2/2/2027). Option schedule (CLIN 003) includes Award (5/1/2026) and Aircraft Maintenance Completed (1/2/2027).

• Contract Type: Firm-Fixed Price (FFP) for baseline work (CLIN 001) and scheduled maintenance (CLIN 003). Time and Material (T&M) for over and above work (CLIN 002).

• Deliverables: Numerous data requirement documents (DRDs) including schedules, reports (analysis, structural life limit, V&V), finite element models, as-built drawings, test plans, O&M manual changes, tool control plans, shoring plans, deviations lists, material test reports, certificates of conformance, weight & balance reports, and FAA certification packages.

• Government Furnished: NASA AFRC GV Aircraft (S/N 570) and reference documents.

• Travel: Required to AFRC for CDR and potentially for on-aircraft inspections.

• Inspections: Contractor must allow NASA personnel to perform aircraft inspections and maintenance.

• Data Rights: Government receives an unlimited rights license to use delivered data.

Solicitation / RFP / RFQ

This is a combined synopsis/solicitation (RFQ) under solicitation number 80AFRC26Q0002 for Gulfstream V (GV) Nadir Viewport Installation (GVNVI). NASA is procuring commercial products/services for this modification. The acquisition is set-aside for small business concerns with NAICS Code 336411 and a size standard of 1,500 employees.

• Modification of a Gulfstream V (GV) aircraft (S/N 570) to install nadir (downward-looking) optical viewports.

• Utilize existing technical data from GV S/N 672 modification as baseline, with minimal deviations for GV S/N 570 differences.

• Modifications must meet Federal Aviation Administration (FAA) Code of Federal Regulation (CFR) 14 certification.

• Delivery of the aircraft back to NASA Armstrong Flight Research Center within 9 months after receipt of order (FOB origin).

• Contract type is primarily Firm Fixed Price (FFP) for CLIN 0001 (Modification) and CLIN 0003 (Scheduled Maintenance).

• CLIN 0002 is for Over and Above Materials and Other Direct Costs (T&M) with a Not-to-Exceed (NTE) value determined by the Government.

• The anticipated award date is on or before May 1, 2026.

• Offers must be submitted via email to tanjanica.s.jackson@nasa.gov and jennifer.schnarr@nasa.gov by 5:00 PM Pacific Daylight Time on March 13, 2026.

• Quotes must be clear, concise, and include sufficient detail for evaluation.

• The quote shall consist of three volumes: Technical Approach (25 pages max), Past Performance (10 pages max), and Pricing.

• Evaluation will be a competitive Price Performance Trade-Off best value determination.

• Evaluation factors, in order of importance, are: Technical Acceptability, Past Performance, and Price.

• Technical approach will be evaluated on a pass/fail basis (Acceptable, Potentially Acceptable, Unacceptable).

• Past performance will be assessed based on relevancy and quality.

• Price will be evaluated based on CLINs 0001 and 0003.

• The Government may award without discussions or negotiations.

• This acquisition is set-aside for small business concerns.

• Offerors requiring the GV S/N 672 modification technical data must request it by 5:00 PM PT on March 4, 2026, via email to jennifer.schnarr@nasa.gov.

• All questions must be submitted via email to jennifer.schnarr@nasa.gov by 5:00 PM Pacific Standard Time on March 3, 2026. Oral questions will not be answered.

• Offerors are encouraged to use the Standard Form 1449.

Forms / Attachments / Pricing Sheets

This document, titled "List of Data Requirements Descriptions (DRD)", outlines the specific data deliverables required from a contractor for the Nadir viewport project. It serves as a comprehensive catalog of all required documentation, reports, and packages that must be submitted throughout the project lifecycle.

The document lists 20 distinct Data Requirements Descriptions (DRDs), each with a unique identifier (e.g., DRD-1, DRD-2), a title, and the number of pages. Each DRD entry details:

• Title of DRD: The specific name of the deliverable (e.g., Project Milestone Schedule, Analysis Reports, FAA Certification Package).
• Use: The purpose of the deliverable.
• Preparation Information: Specific requirements for the content and format of the deliverable.
• Due Date: When the deliverable is expected.
• References: Relevant sections from the Statement of Work (SOW).
• Submission Addresses: Contact information for the Contracting Officer, Contracting Officer's Technical Representative, and Alternate Contracting Officer's Technical Representative.

This document is crucial for potential bidders as it clearly defines the scope and nature of the documentation required for the Nadir viewport project. Understanding these DRDs is essential for accurately estimating project timelines, resource allocation, and proposal development. Bidders must ensure their proposals account for the effort and cost associated with producing each of these deliverables to meet NASA's requirements.

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire used by NASA Armstrong Flight Research Center to gather feedback on contractor performance for Solicitation No. 80AFRC26Q0002, "Gulfstream V (GV) Nadir Viewport Installation (GVNVI)". It is intended to help the government assess the quality of the Offeror's past performance on a completed or ongoing contract.

• Contractor Information: Fields to identify the contractor requesting the reference and details about the specific project/contract being evaluated (Project Title/Number, Total Project Value, Prime/Subcontractor status, Contract Type, Scope of Work/SOW/PWS).
• Quality Assessment Ratings: A rating scale from "Marginal" to "Exceptional" with definitions for evaluating past performance in areas such as Quality, Schedule, Management, and Overall.
• Narrative Sections: Space for evaluators to provide detailed narratives for each assessment area and for additional information.
• Contact Information: Request for the evaluator's contact details, role, and length of involvement.

Offerors responding to Solicitation No. 80AFRC26Q0002 are required to identify current or previous customers and solicit their responses using this questionnaire. The completed questionnaire will be sent to Jenni Schnarr at jennifer.schnarr@nasa.gov by 5:00 PM Pacific Daylight Time on March 13, 2026. The information is considered sensitive and will not be released to the Offeror. Any questions regarding the acquisition or questionnaire should be directed to Jenni Schnarr.