OO-ALCI21-107 — Engine Management

OO-ALCI21-107 governs engine management, reporting, accountability, and control for propulsion units at OO-ALC and JBSA.

Search OO-ALCI21-107

  • Publication number: OO-ALCI21-107
  • Title: ENGINE MANAGEMENT
  • Date: 2024-08-07

View OO-ALCI21-107 on armypubs.army.mil


The publication covers CEMS status, condition, configuration, location, and TCTO compliance reporting for engines and tracked components. It requires timely processing of engine runs, aircraft flights, and engine movements, and prohibits flight or delivery before CEMS reporting.

Topics covered

  • Propulsion unit management
  • CEMS status reporting
  • Aircraft engine runs
  • Test cell engine runs
  • Aircraft flight reporting
  • Engine movement reporting

Questions and answers

When must an aircraft engine run be downloaded and reported?

Each time the engine is run, the engine is downloaded and processed in the CETADS work center computer, then reconciled to the SRAN EM/BEM host computer and recorded in CEMS, IAW with TO 00-25-257-1, Engine Health Management Plus (EHM+) User’s Manual Instructions for Turbofan Engine Model: F100-220; TO 00-25-257-2, Engine Health Management Plus (EHM+) User’s Manual Instructions for Turbofan Engine Model: F100229; TO 00-25-257-3, Engine Health Management Plus (EHM+) User’s Manual Instructions for Turbofan Engine Model: TF34-100A; and TO 00-25-257-4, Engine Health Management Plus (EHM+) User’s Manual Instructions for Turbofan Engine Model: F110-129. (paragraph 1)

What is the deadline for reporting aircraft events?

Reporting by any method must be accomplished no later than COB the next business day following the date/time of the occurrence. (paragraph 1)

What must be submitted after a test cell engine run?

OO-ALC Form 206, F100-PW-220 Data Run Sheet, OO-ALC Form 207, F100-PW-229 Data Run Sheet, or test cell printout is submitted to the SRAN EM/BEM for processing through CEMS after completion of the test cell run. (paragraph 1)

Can an aircraft be flown before its engine is reported in CEMS?

No aircraft will be flown or delivered until the engine and/or components are reported in CEMS. (paragraph 1)

What information must engine management report in CEMS?

One of the engine management section’s primary responsibilities is timely reporting in CEMS pertaining to asset status, condition, and location at all times. (paragraph 1)

Ask Reggie.Bot a question about OO-ALCI21-107