MIL-STD-1530C(USAF)
engineering, manufacturing, quality assurance, and others involved in the design, engineering development, and production of the aircraft structure. The board's decisions are subject to USAF approval.
5.1.4.2 Critical part/process selection and controls.
Criteria shall be established to select aircraft structural critical parts/processes and the controls for these critical parts/processes. The DDTCB described in 5.1.4.1 shall oversee this selection and control process. The impact on safety-of-flight, mission completion, and production and maintenance costs shall be considered in the selection of critical parts/processes. Figure 1, along with the analyses described in 5.2, shall be part of the selection process and establishment of controls. The DDTCB shall ensure the critical part/process list is updated as the design matures.
Structural Design
& Analysis
Could
Failure Cause Loss
of Aircraft or Aircrew or Inadvertent Store Release?
Yes (Safety-of-Flight) No (Not Safety-of-Flight)
Yes
Single Load
Path?
Yes
No
Sized
Degrade Mission or Increase Vulnerability ?
No
Sized by No
by Durability or Damage
Tolerance?
No
Yes
Durability?
Yes
Requires No
Special
Emphasis?
No Economical
To Repair or
Replace?
Yes |
Yes |
|||||||
Fracture Critical |
Fracture |
Mission |
Maintenance |
Normal |
||||
Traceable |
Critical |
Critical |
Critical |
Controls |
FIGURE 1. Critical part selection flow chart.
5.1.5 Corrosion Prevention and Control Program (CPCP).
A Corrosion Prevention and Control Program shall be established for the aircraft structure. The program shall establish a Corrosion Prevention Advisory Board (CPAB) responsible for establishment and oversight of the execution of the program. The board shall be comprised of representatives from engineering, manufacturing, quality assurance, and others involved in the design, engineering development, and production of the aircraft structure. The board's decisions are subject to USAF approval. Corrosion prevention shall be a primary consideration in the development and implementation of the durability and damage tolerance control process and the force management process. Materials and processes, finishes, coatings, and films which have been proven in service or by comparative testing in
the laboratory shall be selected to prevent corrosion as described by the Corrosion Prevention and Control
Plan described in 5.1.5.1. Results of the susceptibility to corrosion evaluation described in 5.1.5.2 shall be used to control the impact of corrosion damage. Corrosion prevention and control guidelines are provided in JSSG-2006, the DoD Corrosion Prevention and Control Planning Guidebook (Spiral II), MIL-HDBK-1568, DFARS 207.105(b)(13)(ii) Oct 04, AFPD 21-1, and AFI 21-105.
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