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TASK LIST


          1. Standards vs. Descriptions. MPs and MEs are reminded that task descriptions may contain required elements for successful completion of a given task. When a standard for the task is to “Brief the RCM on the conduct of the maneuver”, for example, those crew actions specified in the description are required. Attention to the use of the words, will, should, or may throughout the text of a task description is crucial.

          2. Critical tasks. The following numbered tasks are OH-58D (I), (R) maintenance test pilot critical tasks, selected by the USAAVNC task/site selection board with input from OH-58D maintenance and standardization subject matter experts.

  1. 4000

    1. PERFORM PRIOR TO MAINTENANCE TEST FLIGHT CHECKS.
  1. CONDITIONS: In an OH-58D helicopter.

  2. STANDARDS: Appropriate common standards plus the following.


    1. Perform the preflight inspection according to TM 55-1520-248-10/CL.

    2. Determine the suitability of the aircraft for flight and the mission to be performed.

    3. Determine the maneuvers, checks, and tasks required during the test flight.

    4. Brief the RCM or NCM on the mission and his duties.
  3. DESCRIPTION:


    1. Crew actions.

          1. The MP will ensure that a thorough preflight inspection is conducted. The TM 55-1520-248-CL may be used to conduct the preflight inspection, however the inspection will be conducted to the detail level of chapter 8 of the TM 55-1520-248-10. He may direct the RCM if available, to complete such elements of the aircraft preflight inspection as are appropriate, but he will verify that all checks have been completed. The MP will ensure that the aircraft logbook forms and records are reviewed and appropriate entries made as per DA PAM 738-751. The MP will determine the checks necessary for the maintenance test flight. He will brief the RCM or NCM and any additional support personnel concerning operation on or around the helicopter during ground operations and will ensure that ground communication capability is adequate. He will stress any applicable ground or airborne safety considerations or procedures during the briefing. The MP will ensure that a final walk-around inspection is completed prior to flight.

          2. The RCM should complete the assigned elements and report the results to the MP.

  1. Crew coordination, prior to mission commencement, should determine which aircraft crewmember will be responsible for avionics.

    1. Procedures. Review the aircraft forms and records to determine the necessary checks and tasks to be performed. Use additional publications and references as necessary. Conduct a risk assessment of the mission. Preflight the aircraft with special emphasis on areas or systems where maintenance was performed. Verify all test equipment is correctly installed and secured as applicable. Brief the RCM or NCM, if available, on crew coordination responsibilities and conduct of the mission. Emphasize safety procedures to be performed during maintenance tasks or maneuvers the RCM or NCM may be unfamiliar with.
  1. TRAINING AND EVALUATION REQUIREMENTS:


    1. Training. Training may be conducted academically or in the aircraft.

    2. Evaluation. Evaluation will be conducted in the aircraft.
  2. REFERENCES: Appropriate common references.


  1. 4084

    1. PERFORM BEFORE STARTING ENGINE CHECKS.
  1. CONDITIONS: In an OH-58D helicopter.

  2. STANDARDS: Appropriate common standards plus the following:

  3. DESCRIPTION:


    1. Crew actions.

          1. The MP will identify and perform the checks in this task applicable to the maintenance performed. He should direct assistance from the RCM or NCM, if available, and will brief him concerning any Warnings, Cautions, or Notes that may impact upon the checks to be performed. The MP will ensure the aircraft area is clear before engine start and that required MTF entries are recorded as appropriate.

          2. The RCM or NCM should assist the MP as directed.

    2. Procedures. Identify the checks to be performed. Brief the RCM or NCM as necessary. Perform the required checks in sequence. If the RCM or NCM is available, use the call and response method when performing checks and announce check completion. Record on the MTF check sheet the data required.
  4. TRAINING AND EVALUATION REQUIREMENTS:


    1. Training. Training may be conducted academically or in the aircraft.

    2. Evaluation. Evaluation will be conducted in the aircraft.
  5. REFERENCES: Appropriate common references.


  1. 4088

    1. PERFORM STARTING ENGINE CHECKS.
  1. CONDITIONS: In an OH-58D helicopter.

  2. STANDARDS: Appropriate common standards plus the following:

  3. DESCRIPTION:


    1. Crew actions.

          1. The MP will coordinate with and brief the RCM/NCM and ground support personnel, if available, prior to engine start. He will brief all personnel concerning procedures to be followed in the event of emergency. The MP will brief the RCM/NCM concerning any Warnings, Cautions, or Notes that impact upon the checks to be performed, and items required to be recorded during the start sequence. The MP should direct assistance from the RCM/NCM to center and monitor the flight controls and record the results of checks as appropriate. The MP may direct the RCM/NCM to perform duties as fireguard during the engine start. The MP will ensure the area around the aircraft is clear before engine start.

          2. The RCM or NCM should assist the MP as directed.

    2. Procedures. Coordinate with and brief ground support personnel prior to engine start. Brief the RCM/NCM as necessary. Ensure the fireguard is posted, if available. Clear the aircraft prior to start initiation. Perform the required checks in sequence. If the RCM/NCM is available, use the call and response method when performing checks and announce check completion. Record on the MTF check sheet the data required. After engine start, continue coordination with RCM/NCM and ground support personnel as necessary.
  4. TRAINING AND EVALUATION REQUIREMENTS:


    1. Training. Training may be conducted academically or in the aircraft.

    2. Evaluation. Evaluation will be conducted in the aircraft.
  5. REFERENCES: Appropriate common references.


  1. 4090

    1. PERFORM ENGINE RUN UP CHECKS.
  1. CONDITIONS: In an OH-58D helicopter.

  2. STANDARDS: Appropriate common standards plus the following:

  3. DESCRIPTION:


    1. Crew actions.

          1. The MP will perform the required checks in sequence. He may direct assistance from the RCM/NCM, if available, and will brief him concerning any Warnings, Cautions, or Notes that impact upon the checks to be performed. The MP will ensure the results of checks are recorded as appropriate.

          2. The RCM or NCM should assist the MP as directed.

    2. Procedures. Brief the RCM/NCM, if available, and coordinate with ground support personnel as necessary. Perform the required checks in sequence. If the RCM/NCM is available, use the call and response method when performing checks and announce check completion. Upon completion of the checks, record required data on the MTF check sheet.
  4. TRAINING AND EVALUATION REQUIREMENTS:


    1. Training. Training may be conducted academically or in the aircraft.

    2. Evaluation. Evaluation will be conducted in the aircraft.
  5. REFERENCES: Appropriate common references.


  1. 4092

    1. PERFORM SYSTEM CHECKS.
  1. CONDITIONS: In an OH-58D helicopter.

  2. STANDARDS: Appropriate common standards plus the following:

  3. DESCRIPTION:


    1. Crew actions.

          1. The MP will identify and perform the checks in this task applicable to the maintenance performed. He should direct assistance from the RCM/NCM as necessary and will brief him concerning any Warnings, Cautions, or Notes that impact upon the checks to be performed. The MP will ensure the results of checks are recorded as appropriate.

          2. The RCM or NCM should assist the MP as directed.

    2. Procedures. Perform the required checks in sequence. If the RCM/NCM is available, use the call and response method when performing checks. Upon completion of each check, record required data on the MTF check sheet.
  4. TRAINING AND EVALUATION REQUIREMENTS:


    1. Training. Training may be conducted academically or in the aircraft.

    2. Evaluation. Evaluation will be conducted in the aircraft.
  5. REFERENCES: Appropriate common references.


  1. 4128

    1. PERFORM BEFORE TAKEOFF CHECKS.
  1. CONDITIONS: In an OH-58D helicopter.

  2. STANDARDS: Appropriate common standards plus the following:

  3. DESCRIPTION:


    1. Crew actions.

          1. The MP will perform the checks in sequence. He may direct assistance from the RCM/NCM if available. The MP will ensure all Warnings, Cautions, and advisories are reviewed and acknowledged and systems checks are recorded as appropriate.

          2. The RCM or NCM should assist the MP as directed.

    2. Procedures. Brief the RCM/NCM if available and coordinate with ground support personnel as necessary. Perform the required checks in sequence. Upon completion of the check, record required data on the MTF check sheet.
  4. TRAINING AND EVALUATION REQUIREMENTS:


    1. Training. Training may be conducted academically or in the aircraft.

    2. Evaluation. Evaluation will be conducted in the aircraft.
  5. REFERENCES: Appropriate common references.


  1. 4132

    1. PERFORM TAKEOFF TO A HOVER CHECKS.
  1. CONDITIONS: In an OH-58D helicopter with before-takeoff check completed.

  2. STANDARDS: Appropriate common standards plus the following:


    1. Maintain a 3-foot hover altitude, ±1 foot.
  3. DESCRIPTION:


    1. Crew actions.

          1. The MP will perform the initial ascent to a hover. He may direct assistance from the RCM/NCM, if available, to monitor aircraft instruments and maintain obstacle avoidance. The MP will ensure the results of checks are recorded as appropriate.

          2. The RCM or NCM should assist the MP as directed.

    2. Procedures. Confirm that all control and instrument indications are normal. If a RCM or NCM is available, announce the intention to bring the aircraft to a hover. Verify the area around the aircraft still remains clear.

          1. Bring the aircraft to a 3-foot hover and note cyclic, collective, and pedal control response. Note that the apparent center of gravity is normal and that no excessive control displacement is required, (cyclic and pedal positions are normal for the conditions).

          2. Verify that all system instruments are in the normal ranges for conditions.

          3. Upon completion of check, record required data on the MTF check sheet.

          4. Before proceeding to the test flight hover area check the parking area for indications of fluid leakage from the aircraft.
  4. TRAINING AND EVALUATION REQUIREMENTS:


    1. Training. Training may be conducted academically or in the aircraft.

    2. Evaluation. Evaluation will be conducted in the aircraft.
  5. REFERENCES: Appropriate common references.


  1. 4140

    1. PERFORM POWER ASSURANCE CHECK
  1. CONDITIONS: In an OH-58D helicopter with takeoff-to-a-hover check completed.

  2. STANDARDS: Appropriate common standards plus the following:


    1. Maintain a 3-foot hover altitude, ±1 foot.
  3. DESCRIPTION:


    1. Crew actions.

          1. The MP will perform the checks in sequence. He may direct assistance from the RCM or NCM as necessary to clear the aircraft, maintain obstacle avoidance, and record instrument readings. Additionally, the RCM may be directed to maintain the aircraft hover while the MP records the instrument readings. The P* will remain focused outside during the maneuver. The MP will ensure all Warnings, Cautions, and advisories are reviewed and acknowledged and instrument readings are recorded as appropriate.

          2. The RCM or NCM should assist the MP as directed.

    2. Procedures. Coordinate with and brief the RCM/NCM as appropriate.

          1. Verify the HTR and ENG ANTI ICE switches are OFF.

          2. At a stabilized 3-foot hover into the wind, record the FAT, TGT, PA, and ENG TQ. Determine if the readings are within normal limits by comparing the aircraft data to the appropriate power assurance chart.

          3. Upon completion of the check, record required data on the MTF check sheet. If initial results indicate a NO-GO, repeat the check twice to verify results.
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