# NTSB WPR13LA270: Aero Vodochody L39C, N8124N, Reno, NV, June 14, 2013 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: June 13, 2013, 17:05 local (Jun 14, 2013, 00:05 UTC) - Place: Reno, NV - Coordinates: 39.668056, -119.876388 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=39.6681&lon=-119.8764&mi=10 - Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping) - Defining events: [Maneuvering-low-alt flying: Midair collision](https://openairdocs.org/ntsb-events/250); [Maneuvering-low-alt flying: Midair collision](https://openairdocs.org/ntsb-events/250) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report December 15, 2014 - Report: Approved by Office Director - NTSB office: Western Pacific Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 87199 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR13LA270 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/87199/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=87199 - Page: https://openairdocs.org/ntsb/WPR13LA270 ## Probable cause (aircraft 2) The other pilot’s failure to see and avoid the airplane during an air race training session, which resulted in a midair collision. ## Probable cause (aircraft 1) The pilot's failure to see and avoid the other airplane during an air race training session, which resulted in a midair collision. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Use of equip/info: use of equip/system](https://openairdocs.org/ntsb-findings/02063015): Personnel issues › Task performance · Pilot (probable cause), aircraft 1; cases with it: [Aero Vodochody L39C, 1 case](https://openairdocs.org/ntsb-findings/02063015/cases.md?model=05620RN), [All aircraft, 1,391 cases](https://openairdocs.org/ntsb-findings/02063015/cases.md) - [Attention/monitoring: monitoring other aircraft](https://openairdocs.org/ntsb-findings/02021540): Personnel issues › Psychological · Pilot (probable cause), aircraft 1; cases with it: [Aero Vodochody L39C, 2 cases](https://openairdocs.org/ntsb-findings/02021540/cases.md?model=05620RN), [All aircraft, 231 cases](https://openairdocs.org/ntsb-findings/02021540/cases.md) - [Attention/monitoring: monitoring other aircraft](https://openairdocs.org/ntsb-findings/02021540): Personnel issues › Psychological · Pilot of other aircraft (probable cause), aircraft 2; cases with it: [Aero Vodochody L39C, 2 cases](https://openairdocs.org/ntsb-findings/02021540/cases.md?model=05620RN), [All aircraft, 231 cases](https://openairdocs.org/ntsb-findings/02021540/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Maneuvering-low-alt flying: Midair collision](https://openairdocs.org/ntsb-events/250) (defining event), aircraft 1; cases with it: [Aero Vodochody L39C, 2 cases](https://openairdocs.org/ntsb-events/250/sequence.md?model=05620RN), [All aircraft, 196 cases](https://openairdocs.org/ntsb-events/250/sequence.md) - [Maneuvering-low-alt flying: Midair collision](https://openairdocs.org/ntsb-events/250) (defining event), aircraft 2; cases with it: [Aero Vodochody L39C, 2 cases](https://openairdocs.org/ntsb-events/250/sequence.md?model=05620RN), [All aircraft, 196 cases](https://openairdocs.org/ntsb-events/250/sequence.md) ## Analysis (aircraft 2) Two airplanes, Race 99 and Race 777, collided in midair during a practice closed-course air racing session. At the time of the collision, four airplanes were navigating the course. Three of the airplanes were being flown in formation by rookie race pilots who were learning the race course and establishing landmarks to navigate the pylons. Race 99 was the last airplane in the three-ship rookie formation flight. The other airplane, Race 777, was being flown by a certified racer. The president of the jet class reported that the certified racer was instructed to avoid the three-ship rookie formation because it was maneuvering at slower speeds around the course for orientation. After the three-ship rookie formation flew around pylons 1 through 3 and began to maneuver the turn around pylon 4, Race 777 approached Race 99 from behind at a lower altitude and a considerably higher speed likely because the pilot had experience flying the race course. As both airplanes maneuvered around pylon 4, Race 777, which was lower and closer to the inner area of the race course, caught up to Race 99 and collided with it. Following the collision, both airplanes landed without further incident. ## Analysis (aircraft 1) Two airplanes, Race 99 and Race 777, collided in midair during a practice closed-course air racing session. At the time of the collision, four airplanes were navigating the course. Three of the airplanes were being flown in formation by rookie race pilots who were learning the race course and establishing landmarks to navigate the pylons. Race 99 was the last airplane in the three-ship rookie formation flight. The other airplane, Race 777, was being flown by a certified racer. The president of the jet class reported that the certified racer was instructed to avoid the three-ship rookie formation because it was maneuvering at slower speeds around the course for orientation. After the three-ship rookie formation flew around pylons 1 through 3 and began to maneuver the turn around pylon 4, Race 777 approached Race 99 from behind at a lower altitude and a considerably higher speed likely because the pilot had experience flying the race course. As both airplanes maneuvered around pylon 4, Race 777, which was lower and closer to the inner area of the race course, caught up to Race 99 and collided with it. Following the collision, both airplanes landed without further incident. ## Factual narrative (aircraft 2) On June 13, 2013, about 1705 Pacific daylight time, an Aero Vodochody L39C, N8124N, operating as Race 777, and an Aero Vodochody L39C, N2399V, operating as Race 99, were substantially damaged when they collided midair, at the Reno/Stead Airport (RTS), Reno, Nevada, during a practice closed course air racing session. Race 777 was registered to CSC Enterprises Inc., Wilmington, Delaware, and Race 99 was registered to a private individual. Both airplanes were operating under Title 14 Code of Federal Regulations Part 91 as personal flights. The private pilot, sole occupant of Race 777, and the commercial pilot, sole occupant of Race 99, were not injured. Visual meteorological conditions prevailed, and no flight plan was filed for either airplane. Both Race 777 and Race 99 departed from RTS about 1615. According to a Federal Aviation Administration (FAA) inspector, both airplanes were on the race course between outer pylons 3 and 4 when they collided. Following the collision, the pilot of Race 99 landed uneventfully on runway 26. The inspector stated that the pilot of Race 777 landed gear-up on runway 14, following two previous attempts. A written statement was provided to the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) by a witness, who was the president of the jet class. The witness stated that during the afternoon jet flying period, he was located in the control tower, and was observing all of the airplanes participating in the flying session. During this time, Race 777 was flying the race course with two other certified racers prior to the entry of three jets with rookie pilots, two of which had instructors onboard. All experienced racers were instructed to climb above the race course environment to allow the three rookies to establish themselves on course. Once the three-ship formation of rookies was established, the certified racers were allowed to re-enter the racecourse. The witness stated that the certified racers were instructed prior to the flight to avoid the three-ship rookie flight as they were maneuvering at slower speeds around the course for orientation. He further stated that the rookie three-ship had flown several laps in a trail formation prior to the incident. During this time, two of the certified racers, Race 6 and Race 7 exited the course and entered the landing pattern to terminate their flight. However, Race 777 remained on the race course with the three- ship formation of rookies. The witness further reported that from his position, he observed the three rookies fly around pylons 1, 2, and 3, in a trail formation with approximately 3,000 feet of spacing between the first and last airplane. He also noted that there was some altitude difference between the three airplanes as they maneuvered to stay behind each other and survey the course. At this time, Race 777 was approaching the three-ship rookie formation from behind at a lower altitude with a considerable overtake in speed. The witness statedthat just prior to starting the turn at pylon 4, Race 777 begin to maneuver up, behind, and outside of the three-ship formation, with a decrease in speed, however, was still overtaking Race 99, which was the last airplane in the rookie formation flight. The witness further stated that it appeared that Race 777 traveled from below and to the left of Race 99, and passed underneath Race 99 with a slight left-to-right crossing angle. As Race 777 crossed underneath Race 99, the witness observed a small puff of smoke and small pieces of debris twirling in the sky. A "midair" and "mayday" was subsequently called for both Race 99 and Race 777. In a written statement to the NTSB IIC, the pilot of Race 99 reported that prior to the flight it was briefed that the three-ship rookie formation flight would fly in trail down the chute, entering the race course starting at an airspeed of 250 kts. The focus of the brief and the flight was to recognize the pylons, locate strong landmarks for the course and fly safely. It was also briefed that the rookies would not pass each other. The pilot stated that the course entry was in trail formation. During the 6th lap while approaching pylon 4, he had closed to within 2,000 feet of race 707, who was another rookie that he was following. He then reduced power and moved to the outside of the turn while climbing to about 300 feet above ground level. From his position, he noted that he was at about a 45 degrees angle off race 707's right wing, approximately 120 feet above and 1,200 feet in trail. As he was in a stabilized 45 degree bank turn approaching pylon 5, at an airspeed of about 260 knots, he felt a thud under the left wing of the airplane and a sudden roll to the right. Subsequently, the pilot noticed an object over his left shoulder, rolled away, and initiated a climb. The pilot stated that he then realized the object was Race 777. The pilot declared a mayday, and landed uneventfully on runway 26. In a written statement to the NTSB IIC, the pilot of Race 777 reported that prior to the flight; the lead instructor informed them that a three-ship formation of rookie aircraft would be joining them on the race course. After flying about 11 or 12 laps with one other certified racer, they received a radio call that the flight of students was entering the course. He exited the race course, orbited above the airport as briefed, and reentered the race course in front of the first student airplane to position himself to allow each instructor to demonstrate to his student the proper passing technique after the pilot of race 7 returned to the course behind the last airplane of the three-ship formation of students. The pilot stated that the last student aircraft, Race 99, initiated his pass as they neared pylon 9, however, did not actually start to pull away from him until they were almost at pylon 5. The pilot said that as he approached pylon 7, he was trailing Race 99 by approximately 1,000 feet and observed Race 99 go highand wide. As he rolled into the turn at pylon 7, he observed Race 99 continue straight ahead while climbing, which he thought that the pilot of Race 99 was exiting the race course. However, the pilot then observed Race 99 pitch downward and toward the course, and noted that the distance between both airplanes had decreased without any acceleration of his airplane. The pilot further reported that he had held his position behind Race 99 while passing pylons 1 and 2, and the distance between both airplanes had decreased due to Race 99 flying a wider path around the pylons. As he initiated his turn toward pylon 4, he observed Race 707, the middle airplane situated in the three-ship formation, initiate a wide turn around pylon 4, which resulted in Race 99 making a wide turn to the outer area of the race course. The pilot stated that he saw Race 99 was climbing to match the rising terrain when he noticed Race 707 abruptly turn left followed by Race 99 following the same, which resulted in his position changing from an 8 o'clock position to a 10 o'clock position behind Race 99. The pilot added that he could see that the pilot of Race 99 was not looking his direction by the orientation of his helmet, and believed that the pilot of Race 99 was looking at the flight path of Race 707. The pilot said that he keyed my mic to alert the pilot of Race 99 of his position, however, was stepped on by another transmission, and observed Race 99 continue a descent towards his position while approaching pylon 4. The pilot reported that he was already banked 70 to 80 degrees to turn around the pylon. He felt that his airplane was a big vertical target, and that if he had pulled more Gs, he risked greying out and hitting pylon 4, or pushing forward would have risked hitting the rising terrain. The pilot stated that he made the decision to level the airplane, and try to present a smaller target; however, it did not solve the converging angles of both airplanes. The pilot watched Race 99 continue to close in distance, when he saw the nose of Race 99 above and behind his right wing. Subsequently, Race 99 and his airplane collided. Following the impact, the pilot said he did not know the extent of the damage, and had a severe vibration along with locked rudder pedals in full right deflection, and up pressure on the control stick. The pilot reported that during the third attempt at landing gear up, he was able to land on runway 14. Examination of Race 777 by an FAA inspector revealed that the upper portion of the vertical stabilizer and rudder were separated. Examination of Race 99 revealed that the bottom side of the fuselage, aft of the nose landing gear, was dented upward into a pressure bulkhead. ## Factual narrative (aircraft 1) On June 13, 2013, about 1705 Pacific daylight time, an Aero Vodochody L39C, N8124N, operating as Race 777, and an Aero Vodochody L39C, N2399V, operating as Race 99, were substantially damaged when they collided midair, at the Reno/Stead Airport (RTS), Reno, Nevada, during a practice closed course air racing session. Race 777 was registered to CSC Enterprises Inc., Wilmington, Delaware, and Race 99 was registered to a private individual. Both airplanes were operating under Title 14 Code of Federal Regulations Part 91 as personal flights. The private pilot, sole occupant of Race 777, and the commercial pilot, sole occupant of Race 99, were not injured. Visual meteorological conditions prevailed, and no flight plan was filed for either airplane. Both Race 777 and Race 99 departed from RTS about 1615. According to a Federal Aviation Administration (FAA) inspector, both airplanes were on the race course between outer pylons 3 and 4 when they collided. Following the collision, the pilot of Race 99 landed uneventfully on runway 26. The inspector stated that the pilot of Race 777 landed gear-up on runway 14, following two previous attempts. A written statement was provided to the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) by a witness, who was the president of the jet class. The witness stated that during the afternoon jet flying period, he was located in the control tower, and was observing all of the airplanes participating in the flying session. During this time, Race 777 was flying the race course with two other certified racers prior to the entry of three jets with rookie pilots, two of which had instructors onboard. All experienced racers were instructed to climb above the race course environment to allow the three rookies to establish themselves on course. Once the three-ship formation of rookies was established, the certified racers were allowed to re-enter the racecourse. The witness stated that the certified racers were instructed prior to the flight to avoid the three-ship rookie flight as they were maneuvering at slower speeds around the course for orientation. He further stated that the rookie three-ship had flown several laps in a trail formation prior to the incident. During this time, two of the certified racers, Race 6 and Race 7 exited the course and entered the landing pattern to terminate their flight. However, Race 777 remained on the race course with the three- ship formation of rookies. The witness further reported that from his position, he observed the three rookies fly around pylons 1, 2, and 3, in a trail formation with approximately 3,000 feet of spacing between the first and last airplane. He also noted that there was some altitude difference between the three airplanes as they maneuvered to stay behind each other and survey the course. At this time, Race 777 was approaching the three-ship rookie formation from behind at a lower altitude with a considerable overtake in speed. The witness statedthat just prior to starting the turn at pylon 4, Race 777 begin to maneuver up, behind, and outside of the three-ship formation, with a decrease in speed, however, was still overtaking Race 99, which was the last airplane in the rookie formation flight. The witness further stated that it appeared that Race 777 traveled from below and to the left of Race 99, and passed underneath Race 99 with a slight left-to-right crossing angle. As Race 777 crossed underneath Race 99, the witness observed a small puff of smoke and small pieces of debris twirling in the sky. A "midair" and "mayday" was subsequently called for both Race 99 and Race 777. In a written statement to the NTSB IIC, the pilot of Race 99 reported that prior to the flight it was briefed that the three-ship rookie formation flight would fly in trail down the chute, entering the race course starting at an airspeed of 250 kts. The focus of the brief and the flight was to recognize the pylons, locate strong landmarks for the course and fly safely. It was also briefed that the rookies would not pass each other. The pilot stated that the course entry was in trail formation. During the 6th lap while approaching pylon 4, he had closed to within 2,000 feet of race 707, who was another rookie that he was following. He then reduced power and moved to the outside of the turn while climbing to about 300 feet above ground level. From his position, he noted that he was at about a 45 degrees angle off race 707's right wing, approximately 120 feet above and 1,200 feet in trail. As he was in a stabilized 45 degree bank turn approaching pylon 5, at an airspeed of about 260 knots, he felt a thud under the left wing of the airplane and a sudden roll to the right. Subsequently, the pilot noticed an object over his left shoulder, rolled away, and initiated a climb. The pilot stated that he then realized the object was Race 777. The pilot declared a mayday, and landed uneventfully on runway 26. In a written statement to the NTSB IIC, the pilot of Race 777 reported that prior to the flight; the lead instructor informed them that a three-ship formation of rookie aircraft would be joining them on the race course. After flying about 11 or 12 laps with one other certified racer, they received a radio call that the flight of students was entering the course. He exited the race course, orbited above the airport as briefed, and reentered the race course in front of the first student airplane to position himself to allow each instructor to demonstrate to his student the proper passing technique after the pilot of race 7 returned to the course behind the last airplane of the three-ship formation of students. The pilot stated that the last student aircraft, Race 99, initiated his pass as they neared pylon 9, however, did not actually start to pull away from him until they were almost at pylon 5. The pilot said that as he approached pylon 7, he was trailing Race 99 by approximately 1,000 feet and observed Race 99 go highand wide. As he rolled into the turn at pylon 7, he observed Race 99 continue straight ahead while climbing, which he thought that the pilot of Race 99 was exiting the race course. However, the pilot then observed Race 99 pitch downward and toward the course, and noted that the distance between both airplanes had decreased without any acceleration of his airplane. The pilot further reported that he had held his position behind Race 99 while passing pylons 1 and 2, and the distance between both airplanes had decreased due to Race 99 flying a wider path around the pylons. As he initiated his turn toward pylon 4, he observed Race 707, the middle airplane situated in the three-ship formation, initiate a wide turn around pylon 4, which resulted in Race 99 making a wide turn to the outer area of the race course. The pilot stated that he saw Race 99 was climbing to match the rising terrain when he noticed Race 707 abruptly turn left followed by Race 99 following the same, which resulted in his position changing from an 8 o'clock position to a 10 o'clock position behind Race 99. The pilot added that he could see that the pilot of Race 99 was not looking his direction by the orientation of his helmet, and believed that the pilot of Race 99 was looking at the flight path of Race 707. The pilot said that he keyed my mic to alert the pilot of Race 99 of his position, however, was stepped on by another transmission, and observed Race 99 continue a descent towards his position while approaching pylon 4. The pilot reported that he was already banked 70 to 80 degrees to turn around the pylon. He felt that his airplane was a big vertical target, and that if he had pulled more Gs, he risked greying out and hitting pylon 4, or pushing forward would have risked hitting the rising terrain. The pilot stated that he made the decision to level the airplane, and try to present a smaller target; however, it did not solve the converging angles of both airplanes. The pilot watched Race 99 continue to close in distance, when he saw the nose of Race 99 above and behind his right wing. Subsequently, Race 99 and his airplane collided. Following the impact, the pilot said he did not know the extent of the damage, and had a severe vibration along with locked rudder pedals in full right deflection, and up pressure on the control stick. The pilot reported that during the third attempt at landing gear up, he was able to land on runway 14. Examination of Race 777 by an FAA inspector revealed that the upper portion of the vertical stabilizer and rudder were separated. Examination of Race 99 revealed that the bottom side of the fuselage, aft of the nose landing gear, was dented upward into a pressure bulkhead. ## Aircraft 1 - Registration: [N8124N](https://openairdocs.org/deregistered/N8124N-2019-02-27), registration cancelled 2019-02-27, S/N 330211, built 1974 (OpenAirDocs) - Reported make and model: AERO VODOCHODY L39C - Registry model: [Aero Vodochody L39C](https://openairdocs.org/model/aero-vodochody-l39c) (registry code 05620RN) (OpenAirDocs) - Registry engine: [Ivchenko AL-25SERIES](https://openairdocs.org/engine/ivchenko-al-25series) (registry code 34702, turbo-fan) (OpenAirDocs) - Category: Airplane - Serial number: 330211 - Airframe hours: 2911 - Engines: IVCHENKO AL-25SERIES 330 horsepower turbo jet - Damage: Substantial damage - Flight: Air race/show, Part 91 - Operator: Larry Lee - Registered owner: Csc Enterprises Inc - Airworthiness certificate: Special, Experimental (Special) - Last inspection: AAIP, August 31, 2012, 20 hours before - Departed: RTS, Reno, NV - Destination: RTS, Reno, NV - Flight plan: Unknown - Airport: RTS, Reno/Stead Airport, runway 14, 9,000 × 150 ft, asphalt ## Aircraft 2 - Registration: [N2399V](https://openairdocs.org/aircraft/N2399V), registered now, S/N 031633, built 1980 (OpenAirDocs) - Reported make and model: AERO VODOCHODY L39C - Registry model: [Aero Vodochody L39C](https://openairdocs.org/model/aero-vodochody-l39c) (registry code 05620RN) (OpenAirDocs) - Registry engine: [Ivchenko AL-25SERIES](https://openairdocs.org/engine/ivchenko-al-25series) (registry code 34702, turbo-fan) (OpenAirDocs) - Category: Airplane - Serial number: 031633 - Airframe hours: 2500 - Engines: IVCHENKO AL-25SERIES 330 horsepower turbo jet - Damage: Substantial damage - Flight: Air race/show, Part 91 - Operator: Terrence Fornof - Registered owner: Christen Darryl K - Airworthiness certificate: Special, Experimental (Special) - Last inspection: AAIP, June 1, 2012, 50 hours before - Departed: RTS, Reno, NV - Destination: RTS, Reno, NV - Flight plan: Unknown - Airport: RTS, Reno/Stead Airport, runway 26, 7,608 × 150 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N8124N; age 66; injuries: none; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review August 11, 2011; seat: front; restraint: 3-point; flight hours: 13,791 total, 287 in this make and model, 13,500 as pilot in command, 96 in the last 90 days, 41 in the last 30 days, 3 in the last 24 hours - Pilot, aircraft N2399V; age 55; injuries: none; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review June 5, 2013; seat: front; restraint: 3-point; flight hours: 5,208 total, 27 in this make and model, 37 in the last 90 days, 27 in the last 30 days, 3 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 290° at 15 knots, gusting 20 - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 70 °F, dew point 19 °F - Altimeter: 30.12 inHg - Observed at: RTS ## FAA reports on this event (2) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 20130613012242A](https://openairdocs.org/incident/20130613012242A), Jun 13, 2013: Aero Vodochody L39C, Reno, NV, Substantial damage. 6-13-2013 Approximately 1705 PDT; during the afternoon pylon racing school practice sortie, race 99 N2399V (rookie) and race 777 N8124N (experienced) racer… - [Accident 20130613012852A](https://openairdocs.org/incident/20130613012852A), Jun 13, 2013: Aero Vodochody L39C, Reno, NV, Minor damage. 6-13-2013 Approximately 1705 PDT; during the afternoon pylon racing school practice sortie, race 99 N2399V (rookie) and race 777 N8124N (experienced) racer… ## Docket (8 files) The files NTSB released with the investigation on October 30, 2014, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=87199. 3.2 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 - Race99 (N2399V) (item 1, .PDF, 1.4 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40418346&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1%20-%20Race99%20(N2399V)-Redacted.PDF - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 - Race777 (N8124N) (item 2, .PDF, 1.4 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40418347&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1%20-%20Race777%20(N8124N)-Redacted.PDF - Pilot Statement - Race777 (N8124N) (item 3, .PDF, 67 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40418348&FileExtension=.PDF&FileName=Pilot%20Statement%20-%20Race777%20(N8124N)-Master.PDF - FAA Inspector Statement (item 4, .PDF, 45 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40418349&FileExtension=.PDF&FileName=FAA%20Inspector%20%20Statement-Master.PDF - Witness Statement - Mike Mangold (item 5, .PDF, 36 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40418350&FileExtension=.PDF&FileName=Witness%20Statement%20-%20Mike%20Mangold-Redacted.PDF - Witness Statement - Curtis Brown (item 6, .PDF, 50 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40418351&FileExtension=.PDF&FileName=Witness%20Statement%20-%20Curtis%20Brown-Redacted.PDF - Unlimited and Jet Class Race Course Map (item 7, .PDF, 138 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40418352&FileExtension=.PDF&FileName=Unlimited%20and%20Jet%20Class%20Race%20Course%20Map-Redacted.PDF - Jet Class Standard Flight Briefing for PRS 2013 (item 8, .PDF, 38 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40418353&FileExtension=.PDF&FileName=Jet%20Class%20Standard%20Flight%20Briefing%20for%20PRS%202013-Master.PDF From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.