Robinson R44 Ii crash near Frederick, MD, United States

HISTORY OF FLIGHT **This report was modified on 6/2/2016. Please refer to the public docket for this accident to view the original report.** On October 23, 2014, about 1537 eastern daylight time, a Cirrus SR22 airplane, N122ES, operated by a private individual, and a Robinson R44 II helicopter, N7518Q, operated by Advanced Helicopter Concepts, collided in midair approximately 1 mile southwest of the Frederick Municipal Airport (FDK), Frederick, Maryland. The airplane departed controlled flight after the collision, the ballistic parachute system was deployed, and the airplane landed nose-down in a thicket of low trees and brush. The helicopter also departed controlled flight, descended vertically, and was destroyed by impact forces at ground contact. The private pilot on board the airplane was not injured, and his passenger sustained a minor injury. The flight instructor, commercial pilot, and a passenger in the helicopter were fatally injured. Visual meteorological conditions prevailed, and an instrument flight rules (IFR) flight plan was filed for the airplane, which departed Cleveland, Tennessee, on a personal flight about 1247. No flight plan was filed for the helicopter, which departed FDK on an instructional flight about 1535. The flights were conducted under the provisions of Title 14 Code of Federal Regulations (CFR) Part 91. Witnesses on the ground watched the aircraft approach each other at the same altitude and saw the collision. One witness said the helicopter appeared to be in a stationary hover as the airplane closed on it and the two collided. She said neither aircraft changed altitude as they approached each other. A flight instructor for the helicopter operator in a company Robinson R22 helicopter followed the accident helicopter in the traffic pattern for landing abeam runway 30 in the infield sod at FDK. He said his helicopter had just completed the turn onto the crosswind leg of the traffic pattern when the accident helicopter came into his view to his front at about the point where it would turn to the downwind leg of the pattern. At the same time, the airplane appeared in his field of view as it "flew through the rotor system" of the helicopter. Radar and voice communication information from the Federal Aviation Administration (FAA), as well as interviews conducted with air traffic controllers, revealed the following: At 1534:10, the accident airplane first contacted the FDK tower and was about 10 miles west of the field at 3,000 feet. The local controller (LC) acknowledged the pilot's transmission and instructed him to report 3 miles west for a left downwind to runway 30. At 1534:31, the pilot of the accident airplane acknowledged and read back the controller's instructions. At the time the accident airplane contacted the LC, other traffic being handled by the tower included two helicopters ( two company helicopters N2342U and N444PH) in the VFR traffic pattern, one airplane conducting practice instrument approaches to runway 23, another airplane inbound from the southeast, and a business jet (N612JD) with its IFR clearance on request. At 1535:02, the LC then cleared the accident helicopter for take-off from alpha taxiway as requested and issued the current winds, and the call was acknowledged. At 1536:02, the LC contacted the pilot of N612JD and advised she was ready to issue the airplane's instrument clearance. From 1536:06 to 1536:49 (43 seconds), the controller issued the clearance. At 1536:49, the pilot of N612JD read back his clearance as required. Also at 1536:49, during the read back from N612JD, the pilot of the accident airplane reported on local frequency that he was 3 miles out on a 45-degree entry for runway 30, which the LC did not hear because she was listening to the read back from N612JD on ground control frequency. At 1537:09, the LC transmitted to helicopter N444PH, "…four papa hotel option to the grass at your own risk use caution and on uh next go around stay at a thousand feet. I have traffic in the downwind." At 1537:22, the LC instructed the accident airplane to report midfield left downwind for runway 30 and said "I have three helicopters below ya in the uh traffic pattern". At 1537:30, the pilot of the accident airplane acknowledged the request to report midfield downwind and stated he had two of the helicopters in sight. Immediately after that transmission, at 1537:34, the LC said "Alright uh two echo sierra, I have ya in sight runway three zero, maintain your altitude to…until turning base, cleared to land." At 1537:41, cries were heard over the local frequency, and, at 1537:49, the pilot of a helicopter in the traffic pattern reported that an airplane and helicopter were both "down." The pilot of the accident airplane was interviewed and provided written statements. His recollection of the flight was consistent with voice, radar, and aircraft data. The pilot stated that as he descended and slowed for the traffic pattern entry, he set the flaps to 50 percent. The pilot stated that, about the time the airplane entered the downwind leg of the traffic pattern, the tower controller issued a landing clearance, and, "out of nowhere…I saw a helicopter below me and to the left…" The pilot initiated an evasive maneuver, but he "heard a thump," and the airplane rolled right and nosed down. The pilot deployed the ballistic recovery system, and the airplane's descent was controlled by the parachute to ground contact. PERSONNEL INFORMATION The airplane pilot held a private pilot certificate with ratings for airplane single-engine land and instrument airplane. His most recent FAA second-class medical certificate was issued April 31, 2014. He reported 959 total hours of flight experience, of which 804 hours were in the accident airplane make and model. The flight instructor on board the helicopter held commercial pilot and flight instructor certificates with ratings for rotorcraft-helicopter and instrument helicopter. His most recent FAA second-class medical certificate was issued April 31, 2014. Examination of his logbook revealed 832 total hours of flight experience, of which 116 hours were in the accident helicopter make and model. The helicopter pilot held commercial pilot and flight instructor certificates with ratings for airplane single-engine land, multiengine land, rotorcraft-helicopter and instrument helicopter. His most recent FAA second-class medical certificate was issued April 29, 2013, and he reported 2,850 total hours of flight experience on that date. Excerpts of a pilot logbook for his helicopter time revealed 1,538 total hours of helicopter experience. A review of records revealed that he stopped flying as a helicopter tour pilot in 1994. During the years following, he logged five or fewer helicopter flights per year. Between 2004 and 2011, he logged one flight per year, none in 2011, and one in 2012. In 2014, he logged two flights in September, and two in October prior to the accident flight. AIRCRAFT INFORMATION According to FAA records, the airplane was manufactured in 2006. Its most recent annual inspection was completed June 13, 2014, at 1,289.8 total aircraft hours. The helicopter was manufactured in 2004. Its most recent 100-hour inspection was completed October 2, 2014, at 1,758 total aircraft hours. METEOROLOGICAL INFORMATION The 1553 weather observation at FDK included scattered clouds at 4,800 feet, 10 miles visibility, and wind from 330 degrees at 16 knots gusting to 21 knots. The was 26 degrees above the horizon, and the sun angle was from 225 degrees. AIR TRAFFIC CONTROL The air traffic control (ATC) group was formed on October 23, 2014. The group consisted of the group chairman from operational factors and a representative from the FAA compliance services group. The group reviewed radar data provided by the FAA from Potomac TRACON (PCT), ATC voice recordings, controller training and qualification records, facility logs, standard operating procedures (SO