Sunday, March 12, 2017

9.7 - Blog: Case Analysis Effectiveness Post and Blog URL Submission


In my current work as an instructor pilot, I haven’t had too many opportunities to use the Case Analysis tool. It was a learning experience, however, and helped me understand the effectiveness of this process. It forces the participant to dig deep in to the issue, identify a problem, review the current literature, and analyze the data. The tool, if applied diligently, should move the student along in investigating, documenting and developing a solution or recommendation to the problem statement.

One area of the assignment that was problematic, was finding appropriate material because most of the larger UAS ground control stations (GCS) belong to armed forces. This restricts a lot of data to the classified realm and tends to focus my research on the commercial UAS, which are generally smaller and have less immersive GCS environments. The effect of having limited access to some of the more pertinent GCS environments made conducting a “systematic analysis “(South-Western College Publishing, 2005), more challenging.

South-Western College Publishing. (2005). Preparing an Effective Case Analysis. Retrieved from http://www.swlearning.com/management/hitt/hitt_student/case_analysis.html

Wednesday, March 8, 2017

9.6 - Research: Human Factors, Ethics and Morality




9.6 - Research: Human Factors, Ethics and Morality

Greg D. Laxton

ASCI 638 – Human Factors in Unmanned Aeronautical Systems

Embry-Riddle Aeronautical University-Worldwide

12 March 2017




My grandfather was a B-24 pilot stationed in Italy during WWII. His bombing missions were briefed the morning before the flight, and flown with sometimes hundreds of aircraft and thousands of bombs, at huge costs to the allied aircrew. Not specifically targeted, individuals on the ground near the raid were often killed. This was total war and the enemies were state actors. To defeat enemy states, you waged war against their means to fight, including infrastructure, petroleum resources, railways, etc. You wanted the enemy population to “give up” and stop fighting.

The losses for allied aircrew were tremendous. My grandfather flew one of the18,000 B-24s built during this war. Each were manned by 10 Americans. The United States alone lost 40,000 airmen “killed in combat theatres and another 18,000 wounded” during the war (WWII Foundation, 2009). The American people suffered, on average, the death of 6,600 soldiers a month during the war, over 220 per day (WWII Foundation, 2009)! The point of these statistics is to highlight the tremendous loss of life for airmen and the huge destruction of aircraft during this time in American history. If the United States would have had the means to attack the enemy with less risk to our soldiers, they would have cheered the development and used it to the fullest. I’m sure it would bewilder my grandfather, were he still alive, and I told him we were studying “fatigue” and “shift work disorder” in combat crews who go home each night after flying missions.

One of the reasons current UAS mrthods causes the American citizen concerns, is the very idea that we can wage war without significant loss of life to our pilots flying in enemy territory. The idea my grandfather would have celebrated, now causes second thoughts. Part of the concern is the nature of the enemy.

During WWII, the “combatants wore uniforms” and represented nation states that were “party to international law” (Kreps & Kaag, 2012). This made identifying enemies much easier. The war against terror and terrorist makes it harder to find the players, then once they are identified, destroy them, especially if they hide behind civilian non-combatants. The UAS helps us watch for enemies, then track them due to the extended loiter time compared to manned aircraft. It is just a tool however, much like the Norden bombsite familiar to aviators in my grandfather’s generation. Any tool that helps our nation’s soldiers more effectively kill the enemy and simultaneously reduce the risk to our airmen, would seem to be a positive moral development. The queasiness for critics is more likely the unease with the non-state nature of the enemy and their willingness to hide in civilian populations.

UAS seem to be the perfect tool for this enemy. They allow military decision makers to loiter over a target for hours, observe the enemy’s movements, wait for the right moment, then launch a devastating and “proportional” strike. No longer should we need 10 airmen in fleet of hundreds to attack a target. This is a fundamental shift in how wars are fought and the country is adjusting to the new reality. Does it make war more likely if unmanned aircraft conduct the fight on our behalf? Does the ability to strike an individual with a “precision” weapon make the decision to do it easier? Would we make the same attack if our soldiers were in harm’s way? UAS are here to stay however, so we have incentive to get the law, ethics and morality of our actions right.








References

Kreps, S., & Kaag, J. (2012, April). The Use of Unmanned Aerial Vehicles in Contemporary Conflict: A Legal and Ethical Analysis. Retrieved from search.proquest.com.ezproxy.libproxy.db.erau.edu/docview/992898373

WWII Foundation. (2009). WWII Aircraft Facts | World War II Foundation. Retrieved from http://www.wwiifoundation.org/students/wwii-aircraft-facts/


Wednesday, February 22, 2017

7.5 - Research: Operational Risk Management


                                                                                                                            









7.5 - Research: Operational Risk Management

Greg D. Laxton

ASCI 638 – Human Factors in Unmanned Aeronautical Systems

Embry-Riddle Aeronautical University-Worldwide

26 February 2017








Introduction

            The DJI Phantom 4 Pro retails for approximately 1,499 dollars and is a popular product from the largest sUAS maker DJI (DJI, 2017). DJI is a Shenzhen, China company and is the biggest consumer sUAS maker by revenue (Wall Street Journal, 2014). The Phantom 4 Pro is a very sophisticated sUAS which claims 30 minutes of flight time, 4K video resolution, a 7 km. control range and forward speed of 72 km/h (DJI, 2017).

            Prior to flying the Phantom 4 Pro, a user should conduct a risk assessment to identify and evaluate the hazards associated with operating a 3.1 lb. 72 km/h UAV (DJI, 2017). This is a prudent step and should help avoid injury to bystanders and possible damage to property.

Preliminary Hazard List

            The preliminary hazard list (PHL) is a product for the operator to identify “initial safety issues” (Barnhart, 2012, p. 124) associated with the intended uses of the sUAS. The columns below are examples from the PHL list in chapter 8, of the assigned reading (Barnhart, 2012, p. 125). For this exercise, we are planning to operate the DJI Phantom 4 Pro for one hour at a construction site. The contractor has asked us to evaluate the building and site development progress. This is our initial visit the site and before operating, the DJI team will need to identify hazards and assign a risk level to each.

            The building site for this exercise is an urban apartment building covering approximately 2 acres. The adjoining lots are inhabited on the West, South and East perimeters. On the West is another apartment building and the Sought and East sides have small strip malls. To the North of the construction site is undeveloped wetlands. The FAA waivers and city approvals are in place to operate the Phantom 4 Pro. Figure 1 has the summary of identified hazards and the assigned risk levels.



PRELIMINARY HAZARD LIST/ANALYSIS (PHL/A)
Date:  02/26/2017                    Prepared By:   Laxton, G                             Page: 1 of 1
Operational Stage:     X   Planning     ___Staging     ___Launch     ___Flight     ___Recovery
HAZARD
PROBABLILITY
SEVERITY
RL
MITIGATING ACTION
RRL
NOTES
A) Pedestrians on perimeter sidewalks
High
High
High
Obtain permit to close sidewalks temporarily during filming
Low
Cleared sidewalks will offer a buffer zone between roadway and job site
B) Power lines on West boundary
High
High
Med
Place observer underneath in communication with operator
Low
Customer representative with high vis vest and hardhat
C) Overflight of people on job site
Medium
Medium
Medium
Broadcast to all that sUAS is in flight for next 30 minutes
Low
All customer safety gear in place
D) Lost link
Low
Low
Low
Brief customer representative on DJI lost link action plan
Low
Lost link plan to return DJI to specified clear area
E) Airspace
Medium
Medium
Medium
Assure maximum altitude
Low
sUAS can be programmed to limit maximum altitude
RL=Risk Level, RRL=Residual Risk Level

Figure 1 Preliminary Hazard Analysis of building site





Preliminary Hazard Analysis

            The preliminary hazard analysis (PHA) in Figure 2 was completed during staging on day one. The whole team has reviewed the PHA, offered inputs and agreed to the analysis. After the team visit to the site, no additional hazards were identified.

OPERATIONAL HAZARD REVIEW & ANALYSIS (OHR&A)
Date:  02/26/2017                    Prepared By:   Laxton, G                             Page: 1 of 1
Operational Stage:     ___ Planning     _X_Staging     ___Launch     ___Flight     ___Recovery
ITEM #
ACTION REVIEW
PROBABLILITY
SEVERITY
RL
MITIGATING ACTION
RRL
NOTES
A) Pedestrians
Complete
Low
High
Medium
Additional personnel at all sidewalk access points
Low

B) Power lines
Complete
Low
Medium
Medium
Personnel in place
Low
Personnel assigned and in place
C) Overflight
Complete
Low
Medium
Medium
Direct overflight of individuals will be avoided by operator
Low
Flight route plan approved
D) Lost link
Complete
Low
Low
Low
Lost link procedure programmed into memory and ready
Low
Jerry was able to find and designate lost link target location
E)
Complete
Low
Low
Low
Airspace overlaying proposed work area is Class G
Low
No ATC approvals required
RL=Risk Level, RRL=Residual Risk Level

Figure 2 Preliminary Hazard Analysis during staging





sUAS Risk Assessment

            Once the PHL and OHR&A are complete for the specific area, and the operating crew have been identified and the pilot in command (PIC) assigned, then the standard risk assessment (RA) form is completed (figure 3). This form attempts to identify risks associated with every flight, and risks that might be present only on operations day, such as gusty winds or low visibility. The primary and backup pilots have been identified, and they will complete the form below. It is essential that the operating crew complete the RA form and the PIC is responsible for returning the completed document to the supervisor in charge.



sUAS RISK ASSESSMENT

Date:  02/26/2017                    Prepared By:   Laxton, G                             Page: 1 of 1

UAS Crew/Station:     _Laxton (pic)__/_DJI A____        ____Hammond____/__DJI B___
Item
Pilot A
Pilot B
Description
Mitigation
Risk Level
Supervisor Concurrance
Crew experience (total)
425 Hours
27 Hours

none
Low
N/A
Crew experience (on type)
145 Hours
6 Hours

none
High

Observer experience
12 Hours

James May
None
Low
N/A
Regulatory compliance
Verified and will be responsible for all preflight duties
Assist Pilot A




Visibility


6 miles
none


Airspace


Class G
none


Winds


4-7 knots
calm after 1530 local time
Medium

Mission altitude


Under 400ft AGL
none
Low

Lost Link procedure


Return to Southwest corner of construction site
complete
Low

RISK LEVEL
*All risks area identified as “high” will need supervisor of flying signature prior to operation

Figure 3 Preliminary Hazard Analysis during staging

Aircraft Number: ___DJI A_______ Aircraft Type: ___DJI Phantom 4 Pro________

Flight Released By: ____Jeremy Clarkson____ Date: __02/26/2017______ Time: ___1400_____



            Some of the considerations for this day are forecasted winds in excess of 7 knots, low operating experience of pilot #2, and regulatory compliance. The winds and visibility are obtained from the National Weather Service forecasted and are predicted to include gusts from 4-7 knots, with them dying down after 1530 local. The second pilot, J Hammond, has limited experience operating the Phantom 4 and lists only 6 hours of flight time in his logbook. This requires a “high” designation for assigned risk level. The supervisor, from the U.K. office, Jeremy Clarkson, will have to initial the RA form prior to flight. The airspace overlying the work area is Class G, and not requiring any ATC approvals before flight. The PIC will assume responsibility for flight restriction compliance under FAA Part 107 (Federal Aviation Administration, 2016).

Summary

            If the DJI Phantom 4 Pro operating team take the time to complete the PHL, OHR&A and finally the RA, they should be able to identify the hazards at the job site. Not all risk can be eliminated, but with proper hazard identification, a clear plan to mitigate the issues, and an honest risk assessment, the operation should be able to safely conduct the flights.

  





References

Barnhart, R. K. (2012). Safety Assessments. In Introduction to unmanned aircraft systems (pp. 123-135). Boca Raton, FL: CRC Press.

DJI. (2017). Buy Phantom 4 Pro | DJI Store. Retrieved from http://store.dji.com/product/phantom-4-pro#/?_k=m6fq7l

Federal Aviation Administration. (2016, June 21). SUMMARY OF SMALL UNMANNED AIRCRAFT RULE (PART 107). Retrieved from https://www.faa.gov/uas/media/Part_107_Summary.pdf

Wall Street Journal. (2014, November 10). Who Builds the World’s Most Popular Drones? - WSJ. Retrieved from https://www.wsj.com/articles/who-builds-the-worlds-most-popular-drones-1415645659