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progress of the investigation. When appropriate,
reporting custodians may use MRs to request
investigative help, relief from investigative respon-
sibilities, or extension of MIR deadlines. An MR is not
used for the submission of hazard elimination
information.
All classes of mishaps require the submission of an
MR by telephone or by message. You must submit an
initial MR by message within 4 hours for all Class A and
Class B aviation mishaps. On all Class A aviation
mishaps, an initial telephone report to the NAV-
SAFECEN is required to provide the NAVSAFECEN
with timely information on the mishap and allow a
mishap investigator to respond. The first amended
mishap message reports for all Class A and Class B
mishaps, if necessary, and Class C initial MRs are due
within 24 hours.
Any naval command may submit MRs. The
reporting custodian of the naval aircraft involved in a
mishap normally submits the MR. However, if it is
apparent that a reporting custodian will be unable to
submit the required MR within the deadline, the first
command that becomes aware of the mishap will submit
the report.
AIRCRAFT MISHAP INVESTIGATIONS
A naval aircraft mishap is a signal of a failure of the
Naval Aviation Safety Program. It shows that hazard
detection and elimination actions were not taken in time
to prevent the mishap-level damage or injury. Actions
must then be taken to prevent a recurrence of the mishap.
We accomplish hazard detection after a mishap through
mishap investigation.
Purpose of Aircraft Mishap Investigations
The purpose of aircraft mishap investigations is to
identify the cause factors of the mishap and the damage
or of any injuries resulting from the mishap. Cause
factors of mishaps and cause factors of injury and
damage resulting from a mishap can be two different
matters. However, both are the subject of aircraft mishap
investigations.
Less important reasons for conducting aircraft
mishap investigations include determining the extent of
damage and injury resulting from the mishap. Another
reason is proving the safety commitment of the
organization conducting the investigation. We conduct
all naval aircraft mishap investigations solely for safety
purposes.
Types of Aircraft Investigations
As a result of aircraft mishaps, different authorities
conduct various types of investigations for different
purposes. Some of the investigations conducted are as
follows:
Aircraft mishap investigations
Interagency investigations
Special weapons investigations
Judge Advocate General Manual (JAGMAN)
investigations
North Atlantic Treaty Organization (NATO)
investigations
Naval Safety Center investigations
Intercomponent investigations
Naval aircraft mishaps involving fire, explosion,
or damage to a ship or shore facility
Aircraft fire on board ship
For detailed information on the types of investi-
gations conducted, consult chapter 6 of OPNAVINST
3750.6Q.
Mishap Investigation Responsibilities
The reporting custodian of a naval aircraft involved
in a mishap is responsible for investigating and reporting
the mishap. An aircraft mishap board (AMB)
investigates and reports each naval FM, FRM, and
AGM according to OPNAVINST 3750.6Q.
Aircraft Mishap Boards
Each aircraft reporting custodian maintains at least
one standing AMB. The appointing authority appoints
the AMB members by name and in writing.
Commissioned officers on active duty compose each
AMB. Minimum AMB membership consists of the
following four officers:
1. An aviation safety officer (ASO)
2. A flight surgeon
3. An officer well qualified in aircraft maintenance
4. An officer well qualified in aircraft operations
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