Aviation Human Factors

Army Hazardous Events Scale
Event Risk Rating

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For each of the following hazardous events, rate the level of risk present in that event.

By Risk, we mean the likelihood that an accident would occur during or because of the event.

For a very low risk event, there would be almost no chance of an accident occurring.

For a very high risk event, there would be a very strong chance of an accident.

Use the entire scale (1-2-3-4-5-6-7) in making your ratings.

Event #	<Low Risk		Medium Risk			High Risk>		Event
1	1	2	3	4	5	6	7	Run so low on fuel that you were seriously concerned about making it to an airfield/heliport or refueling point before you ran out?
2	1	2	3	4	5	6	7	Made a precautionary or forced landing at an airfield/heliport other than your original destination?
3	1	2	3	4	5	6	7	Made a precautionary or forced landing away from an airfield/heliport?
4	1	2	3	4	5	6	7	Been forced to perform an abrupt maneuver to avoid an obstacle?
5	1	2	3	4	5	6	7	Had a mechanical failure that jeopardized the safety of your flight?
6	1	2	3	4	5	6	7	Flown into areas of instrument meteorological conditions, when you were not on an instrument flight plan?
7	1	2	3	4	5	6	7	Turned back or diverted to another airport because of bad weather while on a VFR flight?
8	1	2	3	4	5	6	7	Experienced vertigo so severe that you had to pass control of the aircraft to the other pilot?
9	1	2	3	4	5	6	7	Had a crewmember become ill or incapacitated during flight, to the extent that they could not fully perform their duties?
10	1	2	3	4	5	6	7	Lost visual contact with the ground because of dust or snow while landing or taking off (brown-out)?
11	1	2	3	4	5	6	7	Drifted more than two dots to the left or right of course while inside the outer marker on an ILS approach?
12	1	2	3	4	5	6	7	Lost one or more of your primary flight instruments (gyro failure, altimeter failure, etc.) during instrument flight?
13	1	2	3	4	5	6	7	Attempted to hover out of ground effect, and discovered you had insufficient power?
14	1	2	3	4	5	6	7	Experienced a near mid-air collision?
15	1	2	3	4	5	6	7	Nearly collided with the ground or some object while flying?
16	1	2	3	4	5	6	7	Had your aircraft slide after landing on a slope or smooth rocks?
17	1	2	3	4	5	6	7	Executed a go-around after encountering brown-out or white-out conditions during the last portion of your approach to landing?
18	1	2	3	4	5	6	7	Made a zero-visibility take-off in which you immediately lost visual contact with the ground while pulling pitch because of brown-out or white-out?
19	1	2	3	4	5	6	7	Narrowly avoided a wire-strike?
20	1	2	3	4	5	6	7	Became so fatigued while flying that you had difficulty remaining alert and performing your duties?
21	1	2	3	4	5	6	7	Were asked by a ranking passenger to perform an action that you believed was contrary to the safety of flight?
22	1	2	3	4	5	6	7	Struck a large bird while in flight?
23	1	2	3	4	5	6	7	Experienced much worse weather enroute or at your destination than was forecast?
24	1	2	3	4	5	6	7	Experienced a failure of your night vision device during a critical phase of flight (for example, while on approach to an LZ or while maneuvering low-level)?
25	1	2	3	4	5	6	7	Had a significant dispute with the other pilot regarding what course of action should be taken?
26	1	2	3	4	5	6	7	Found that you and the other pilot had a very different mental picture of what was going on in or around the aircraft (for example, your position relative to friendly and enemy forces, the location of the next navigation fix)?
27	1	2	3	4	5	6	7	Flown with a pilot, outside of a training situation, who did not seem to have the skills needed to fly the aircraft and accomplish your mission?
28	1	2	3	4	5	6	7	Had the other pilot perform some action that was completely unexpected and might have jeopardized the safety of your flight?
29	1	2	3	4	5	6	7	Had a radio communications failure that jeopardized the safety of your flight?
30	1	2	3	4	5	6	7	Discovered during a flight that you did not have the correct frequencies and/or callsigns required for communication with ground personnel?
31	1	2	3	4	5	6	7	Lost communications with another member of the crew during some critical phase of flight?
32	1	2	3	4	5	6	7	Misinterpreted some statement or request by the other pilot or a crewmember leading to an unsafe condition?
33	1	2	3	4	5	6	7	Had the other pilot misunderstand some statement or request that you made, leading to an unsafe condition?
34	1	2	3	4	5	6	7	Inadvertently moved the control (cyclic, collective, or control wheel) when you were not the pilot flying the aircraft?
35	1	2	3	4	5	6	7	Performed unauthorized aerobatics, return to target maneuvers, or buzzed ground vehicles?
36	1	2	3	4	5	6	7	Performed a terrain (low-level) flight without having documented all the hazards on your maps?

Now that you have read all the events and rated their level of risk, which event do you think poses the greatest danger of an accident.

Please enter the number of that event here:

Finally, could you please give us the following information about your aviation experience:

Total Military Flight Hours:

Thank you for your help.

We will send the results to your ASO Class instructor, who will share them with you.

However, if you have any comments or questions about this study, please contact Dr. David Hunter at:

hunterd@artisllc.com or david.hunter@avhf.com

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