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not be allowed at any time to interfere with the proper
and orderly functioning of the board of inquiry).
Accident Report
The Board will issue a detailed narrative accident report
in connection with the investigation into those accidents
which the Board determines to warrant such a report.
The report will set forth the facts, conditions and circumstances
relating to the accident and the probable
cause thereof, along with any appropriate recommendations
formulated on the basis of the investigation.
Investigation to Remain Open
Accident investigations are never officially closed but
are kept open for the submission of new and pertinent
evidence by any interested person. If the Board finds
that such evidence is relevant and probative, it shall be
made a part of the docket and, where appropriate, parties
will be given an opportunity to examine such evidence
and to comment thereon.
Types of Accident Reports
Narrative Report
These are the most common reports and generally follow
the facts-analysis-conclusion-recommendation format.
This is the only type of report that analyzes and
explains the accident.
*** See Figure 2 Page 8
Data Collection Reports
These reports are designed to collect data about the
accident in a logical and consistent manner so that they
may upload easily into a database. These reports often
have a prescribed format where the investigator simply
“fills in the blanks.”
***See Figure 3 Page 9
Aircraft Accident Investigation 8
Figure 1 - NTSB ORGANIZATIONAL CHART
Figure 3 - Narrative Report
Aircraft Accident Investigation 9
Figure 3 - Data Collection Report
Aircraft Accident Investigation 10
PART II: THE FIELD INVESTIGATION
Lesson 3: Pre-Accident Planning
Lesson 4: Initial Actions
Lesson 5: Accident Diagrams and Photography
Lesson 6: Fire Investigations
Lesson 7: Structural Investigations
Lesson 8: Aircraft Systems
Lesson 9: Reciprocating Engines
Lesson 10: Propellers
Lesson 11: Turbine Engines
Lesson 12: Instrument Investigation
Lesson 13: Records
Lesson 14: Witness Interviewing
Aircraft Accident Investigation 11
PRE-ACCIDENT PLANNING AND PERSONAL
SAFETY
The NTSB Pre-Accident Plan
The Go-Team
The go team is a group of investigators who are on-call
for immediate assignment to major accident investigations.
This team consists of an investigator in charge
(IIC) along with in any specialists and laboratory support
that is necessary. Regional investigators may be
used on the Go-Team when headquarters investigators
are unavailable. A full Go-Team may consist of the
following specialists: air traffic controllers, operations,
meteorology, human performance, structures, systems,
powerplants, maintenance, records, survival factors,
aircraft performance, CVR, FDR, and metallurgy. The
Go-Team must be able to depart to the scene of an accident
with minimum delay at any time of day (usually a
member has a two hour time frame to get to the airport).
A Pre-Accident Response Plan
Initial Coordination
This stage consists of notifying the proper authorities,
arranging for transportation to the accident site as well
as overseeing that the wreckage site is secured. Additionally,
this is the time to start collecting and preserving
documents relevant to the accident. Resources
might include the FAA, the aircraft operator, and the
manufacturer. Finally, assemble any equipment that
might become necessary during the investigation.
Investigation Equipment
• Bring everything you need: do not depend on
someone else to bring the equipment for you.
• Be prepared to carry whatever you bring: do not
depend on anyone else to carry it for you.
Also keep in mind - and be prepared - for the environment
at the accident site (i.e. cold, wet, etc.)
Personal Survival Items
An investigator must ensure their own safety first - he
or she will not be of much use if they are not prepared.
Some items include:
• Appropriate severe weather clothing including sturdy
boots
• Gloves (heavy - the wreckage is sharp) and latex gloves
• Sun protection / insect repellant
• Small first aid kit
• Signaling device
• Ear protection
• Food and water
Diagramming and Plotting Equipment
Diagrams of the accident scene are usually helpful, so
be sure to carry the following items:
• Pad of ruled paper
• Navigation plotter w/ protractor
• Measuring tape / ruler
• Compass
• Calculator / E6-B
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