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Appendix 6

· DOI Office of Aviation Services · 2025

Public domain · DOI Office of Aviation ServicesAviation Safety Documents

Overview

The Appendix 6 () is a public-domain DOI Office of Aviation Services aviation safety document, republished here as a free chaptered HTML edition with a linked table of contents and the official PDF.

Publisher
DOI Office of Aviation Services
Document
Year
2025
Pages
3

Key points

  • The document outlines the justification and cost analysis for using Government aircraft for travel.
  • It includes sections for basic data, cost comparison, and approval requirements for travel on Government aircraft.
  • Travel costs must be compared between commercial airline, leased aircraft, and DOI-operated aircraft.
  • Special approval is required for travel by senior officials and non-Federal travelers.
  • The document references OMB Circular A-126 for additional guidelines on travel costs and approvals.
Frequently asked questions
What is the purpose of this document?

The document provides a framework for analyzing and justifying the use of Government aircraft for travel.

What are the cost comparison categories mentioned?

The cost comparison includes commercial airline costs, leased or rental aircraft costs, and DOI-operated aircraft costs.

Who requires special approval for travel on Government aircraft?

Special approval is required for senior executive branch officials, senior federal officials, their family members, and non-Federal travelers.

What does the cost analysis include?

The cost analysis includes flight hours, total duty hours, per diem, ground transportation, and any additional aircraft or crew costs.

Where can I find the guidelines for approval requirements?

The guidelines for approval requirements are referenced in OMB Circular A-126, specifically in paragraphs 11.b and 11.c.

Document

OAS-110 (05/25)

TRAVEL COST ANALYSIS

Justification for use of a Government aircraft for travel: A. BASIC DATA : Dates and time of required time(s) at Temporary Duty Station(s) (TDS): Location __________________ Date ______________ Hours required to be on site _________ to _________ Location __________________ Date ______________ Hours required to be on site _________ to _________ Location __________________ Date ______________ Hours required to be on site _________ to _________ Manifest (only persons required to be at TDS): Name Hourly Salary Annual Salary ÷ 2087 hours x 1.20 = _____________________________________________ ______________________________ Hourly Salary Rate _____________________________________________ ______________________________ NOTE : 1.20 covers average Fringe Benefits, Retirement, Health & Life _____________________________________________ ______________________________ Insurance, Medicare, other Fringes.

The 1.20 does not include COLA; for _____________________________________________ ______________________________ Alaska-based employees, add the applicable additional %.

_____________________________________________ ______________________________ _____________________________________________ ______________________________ TOTAL Hours Cost of All Required Travelers $ ______________________________ ( Continue on attached sheet if needed ) B. COST COMPARISON : 1. Commercial Airline Costs to meet the required TDS locations and times. Individual ticket cost x number of required travelers . $ ___________________ • Cost of total duty hours away from office or regular duty station to meet the commercial airline schedule. ___________________ • Cost of required per diem and ground transportation. ___________________ TOTAL Cost by commercial transportation $ ___________________ 2. Leased, Contract, or Rental Aircraft.

1. Flight hours x flight hour costs $ ___________________ 2. Cost of total duty hours away from office or regular duty station ___________________ 3. Cost of required per diem and ground transportation ___________________ 4. Any additional aircraft or crew costs not included in above hourly rate, i.e., standby charges, tiedown fees, overnight ___________________ parking, extra crew, etc.

TOTAL Cost by Lease, Contract, or Rental aircraft. $ ___________________ 3. DOI –Operated Aircraft – identify specific aircraft: ____________________________ • Flight hours required x variable flight hour cost. $ ___________________ • Cost of total duty hours away from office or regular duty station. ___________________ • Cost of required per diem and ground transportation. ___________________ • Any additional costs to be incurred that are not included in the above flight hour rate. Variable cost of crew, as defined ___________________ on page 1 of OMB Circular A-126, Attachment B, if not included in the flight hour rate. (Do not include pilot costs here if the pilot is one of the Government officials required to meet or perform duties at the TDY location.)

• Fuel costs, if not included in above flight hour rate. Any additional aircraft costs not in the above flight hour rate, __________________ i.e., tiedown fees, overnight parking, et.

TOTAL COST by DOI Fleet aircraft. $ __________________ C. MOST COST-EFFECTIVE METHOD :

 Commercial

 Lease, Contract or Rental – N# ___________________. Pilot/Crew __________________________________________________________________ Purpose ___________________________________________________________________________________________  DOI Fleet ----------------------N# ___________________. Pilot/Crew _________________________________________________________________ Purpose ___________________________________________________________________________________________ REMARKS : ( Must be completed if other than most-cost-effective method is chosen .)

D. GENERAL APPROVAL REQUIREMENTS FOR TRAVEL ON GOVERNMENT AIRCRAFT : _____________________________________________ _____________________________________________ __________________ Print name of designated approving official Signature Date E. SPECIAL APPROVAL REQUIREMENTS FOR REQUIRED USE TRAVEL : (See paragraph 11.b. page 6 of OMB Circular A-126) _____________________________________________ _____________________________________________ __________________ Print name of designated approving official Signature Date F. SPECIAL APPROVAL REQUIREMENTS FOR USE OF GOVERNMENT AIRCRAFT FOR TRAVEL BY THE FOLLOWING CATEGORIES OF PEOPLE : (See paragraph 11.c. page 7 of OMB Circular A-126 and paragraph a., page 3-1 of OMB Bulletin No. 93-11) 1) Senior Executive Branch Officials 2) Senior Federal Officials 3) Members of Families of Senior Executive Branch and Senior Federal Officials 4) Non-Federal travelers _____________________________________________ _____________________________________________ __________________ Print name of designated approving official Signature Date Manifest (continued): Name Hourly Salary _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ _____________________________________________ ______________________________ TOTAL Hours Cost of All Required Travelers $ ______________________________

Source & rights

Source: doi.gov. Public-domain U.S. Government work (17 USC §105) — freely reproducible.

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Document details

Doc number
Publisher
DOI Office of Aviation Services
Year
2025
Pages
3
File size
173 KB