R-2A Activity · President's Budget PB2027

Oil Cooled Generator

Activity a1·Project FD5 — Apache Product Improvement·PE 0607145A·U.S. Army
FY2027 Request
$27.4M
▼ 35% vs FY2026
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This activity requests $27.4M in FY2027, 89% of project FD5, down 35% on FY2026. The R-2A exhibit describes it across FY2025–FY2027, including what the FY2027 money is planned to buy.

FY2027 Request
$27.4M
▼ 35% vs FY2026
FY2026 Enacted
$42.0M
▲ 429% vs FY2025
FY2025 Actual
$7.9M
Prior year
Planned work

What the FY2027 request buys

Verbatim from the R-2A exhibit for project FD5 of PE 0607145A. This is the budget justification's own description of work that has not happened yet — the one thing no other level of the budget carries.

FY2027 planned work

Projected Level of Effort (LOE) includes all Non-Recurring Engineering (NRE) and procurement activities associated with developing and integrated system design onto the AH-64E.

FY2026 to FY2027 change

Decrease in funding due to the projected completion of all LOE and NRE activities associated with the development and integration of the OCG into the AH-64E platform.

Before the request year

FY2025–FY2026: what came before

Prior-year accomplishments and current-year plans from the same exhibit. Context for the FY2027 plan, not a series — an activity partitions its project exactly in the request year, but can under-cover it in earlier years.

FY2026 plans — current year

Once the contract has been definitized (projected Q4FY25) Non-Recurring Engineering (NRE), testing, and qualification Level of Effort (LOE) will commence. Initial scope includes baselining effort via SRR / IBR, design activity and reviews (PDR milestone). FY26 funding will allow completion of the necessary design, integration and qualification activities required to field the Oil Cooled Generator (OCG) capability as directed material solution to the current air-cooled generator as a safety mitigation.

FY2025 accomplishments

Apache PMO will continue to work with the contractor and the Original Equipment Manufacturer (OEM) supplier to conduct Integrated Baseline Review (IBR) and System Readiness Review (SRR) activities. Contractor will also continue limited material procurement to minimize risk of long lead items to the overall qualification program.

Money

Three years, and no five-year plan

An R-2A activity publishes the prior year, the current year and the budget year. The FYDP outyears exist at project and program-element level and are deliberately absent here rather than inferred. Estimate types are colored and never summed into one figure.

2507.9FY25ACTUAL42.0FY26ENACTED27.4FY27REQUEST
Actual Enacted Request
Fiscal YearEstimate TypeAmount ($M)
FY2025Actual7.9
FY2026Enacted42.0
FY2027Request27.4

This activity is 89% of project FD5's FY2027 request and 89% of PE 0607145A's. In the request year the activities under a project sum to it exactly; in the current year they under-cover it in about 9% of cases, so an activity's delta can legitimately exceed its parent's and the two must not be compared row to row.

Where this sits

2 activities in project FD5

Every R-2A line of this project, largest FY2027 request first. Linked where the activity has enough of its own narrative to carry a page; the rest are shown in full on the program-element page.

Oil Cooled Generator — this activity$27.4M ▼ 35%
Apache Improved Tail Rotor Drive System (ITRDS)$3.3M ▲ 43%
Source
FY2027 Department of the Army RDT&E Budget Justification · Exhibit R-2A · PE 0607145A, project FD5 (President's Budget PB2027). Congressional marks are recorded on the program element, never on an activity.
Machine access
Markdown twin /programs/0607145A/FD5/a1.md · MCP mcp.hitchintel.combudget_get_activity