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N197TT accident description

Alaska map... Alaska list
Crash location 63.172223°N, 156.812222°W
Reported location is a long distance from the NTSB's reported nearest city. This often means that the location has a typo, or is incorrect.
Nearest city Mcgrath, AK
62.956389°N, 155.595833°W
40.9 miles away
Tail number N197TT
Accident date 27 Aug 2004
Aircraft type de Havilland DHC-3
Additional details: None

NTSB Factual Report

HISTORY OF FLIGHT

On August 27, 2004, about 1600 Alaska daylight time, a tundra tire-equipped de Havilland DHC-3 airplane, N197TT, was destroyed by impact and postimpact fire when it collided with trees and mountainous terrain, about 1,400 feet msl, about 35 miles west of McGrath, Alaska. The airplane was being operated as a visual flight rules (VFR) cross-country business flight under Title 14, CFR Part 91, when the accident occurred. The airplane was operated by Exousia Inc., dba Mavrik Aire, Kenai, Alaska, as a flight of two airplanes, to transport hunting camp supplies from Kenai, Alaska, to Kotzebue, Alaska. The airline transport certificated pilot, seated in the left front seat, received serious injuries. A pilot-rated passenger, seated in the right front seat, received fatal injuries, and a passenger seated behind the pilot received minor injuries. Instrument meteorological conditions consisting of mist, fog, and smoke prevailed in the area of the accident. The flight originated at the McGrath Airport about 1526, with an intended intermediate destination of Unalakleet, Alaska. No flight plan was filed, nor was one required.

The operator, who was the pilot of one of the two de Havilland DHC-3 airplanes, reported to the FAA that the intended route of flight was from Kenai, to Port Alsworth, Alaska, to McGrath, and then to Unalakleet, Alaska, Buckland, Alaska, and then to Kotzebue. The purpose of the flight was to transport equipment and company personnel to a remote hunting camp near Kotzebue. After departing Kenai, both airplanes proceeded to Port Alsworth. The operator's airplane was equipped with a turbine engine. The accident airplane was equipped with a reciprocating engine.

At 1142, the pilot of the accident airplane telephoned the Federal Aviation Administration (FAA), Kenai Automated Flight Service Station (AFSS) from Port Alsworth, and inquired about weather conditions from Port Alsworth to Kotzebue. He and the flight service station specialist discussed conditions at Sparrevohn, Alaska, Sleetmute, Alaska, McGrath, Galena, Alaska, and Kaltag, Alaska. The pilot also inquired about weather conditions along the west coast of Alaska, including Aniak, Emmonak, Unalakleet, Nome, and Kotzebue. The flight service station specialist at the Flight Data 2 position stated, "Okay, there's still smoke up there all right. Sparrevohn, winds light and variable; [visibility] five miles; ceiling 1,300 feet overcast. The specialist asked the pilot, "You want temperatures and altimeter and all that, or just the....cloud, ceiling, and visibility, Okay? The pilot replied, "that's all we need." The specialist continued, "All right, Sleetmute, [wind] calm; [visibility] ten miles; few clouds at 2,600 feet, ceiling, 4,100 feet overcast. McGrath, light and variable winds; five miles [in] light rain, mist and smoke; few clouds at 400 feet, ceiling, 2,200 feet broken, 6,000 feet overcast. Then up at Galena, that's, that's the bad spot, it...can you hear me?" (in his written statement, the specialist commented that during the briefing, he heard what sounded like loud metal grinding noise in the background.) The pilot answered, "yah."

The flight service station specialist continued his briefing by stating, "Galena, winds light and variable; [visibility] one mile in mist and smoke; indefinite ceiling at 500 feet. Out west at Kaltag, they're [visibility is] 1/2 mile in haze, ceiling, 500 feet broken, 2,100 feet overcast, so it's pretty thick."

The pilot inquired about a coastal route by stating, "What about Nome, Unalakleet, around that way?...Maybe we better go right up the beach." The specialist stated, "Aniak, their winds are northwest at six [knots], 2 1/2 miles [visibility] and we....don't have the ceiling on that's out of service. Anvik, winds north at four [knots], [visibility] four miles; ceiling, 1,200 feet overcast. At like Emmonak, over there along the coast, wind 040 [degrees] at eight [knots]; [visibility] ten miles, clear below 12,000 feet. Then Unalakleet, winds light and variable; [visibility] two miles; ceiling, 100 feet overcast." The specialist commented about the conditions by stating, "Yah and God, that's a lotta area, if that's smoke, that's a huge area...the air (unintelligible) all the way over to Unalakleet. Golovin, is clear below 12,000 feet."

The pilot was unsure where Golovin, Alaska, was located, and the specialist stated, "That's south, it's where you, right after you turn the corner [at] Norton Bay, heading towards Nome...southeast of Nome." The specialist continued by stating, "And then ah Nome, winds light and variable; [visibility] ten miles; clear below 12,000 feet. Kotzebue also, wind east at seven [knots]; [visibility] ten miles; clear below 12,000 feet, so I mean, it's supposed to be clear at Nome all day, and 20,000 fee scattered at Kotzebue, so the problem would be the in-between, you know, right along the Yukon, there or along the coast at Unalakleet,...and also getting to Aniak, past Aniak in that smoke down there."

The pilot again inquired about the conditions at McGrath. The flight service station specialist replied, "McGrath had some rain, they were carrying winds, 340 [degrees] at six [knots]; [visibility] five miles in light rain, mist, and smoke; few clouds at 400 feet; ceiling, 2,200 feet broken, 6,000 feet overcast."

The pilot commented that, "I hope to get to McGrath tonight, that would be progress anyway." The briefing was concluded at 1147.

Both airplanes departed Port Alsworth and proceeded to McGrath. The operator, in the turbine equipped airplane, arrived first.

At 1428, the pilot contacted the FAA's Flight Service Station (FSS), via radio, at McGrath. He indicated he was ten miles south for landing at McGrath. The flight service station specialist provided an airport advisory, and told the pilot that, "You have two gentlemen waiting for you up here, they'll meet you at the airplane."

At 1525, the accident pilot contacted the McGrath FSS via radio and reported he was taxiing for departure by stating, "197TT, just off the gas (unintelligible) here, ready for takeoff, and we have the info from the other guy." The FSS specialist replied, "Otter 7TT roger, and airport advisory, wind, 300 [degrees] at eight [knots], favored runway 25 or 34; altimeter, 29.78; no reported traffic; Airmets for IFR and mountain obscuration." At 1526, the pilot stated, "7TT, thanks for your help."

The National Transportation Safety Board (NTSB) investigator-in-charge (IIC), interviewed the rear seat passenger on August 29, after his arrival at a hospital in Anchorage, Alaska. He said he and the pilot-rated passenger, along with cargo, where going to a hunting camp near Kotzebue, working for Alaska Dream Quest, an outdoor hunting/fishing service provided by the operator. He reported that the accident airplane departed McGrath, headed for Unalakleet, and was flying about 500 to 1,000 feet above the ground because of smoke and fog. He estimated the visibility at takeoff was about 1 mile. About 30 minutes after departure, the airplane was flying over mountainous terrain, and appeared to be following a canyon. The passenger said that the visibility decreased due to fog. He said that the airplane's throw-over control yoke was positioned in front of the right seat, pilot-rated passenger, when suddenly a mountain ridge appeared in front of the airplane. The pilot repositioned the control yoke in front of the left seat, banked the airplane to the left, and added engine power. Within a few seconds, the passenger indicated that he felt the airplane collide with several trees and then descend to the ground. The airplane came to rest upright with extensive fuselage damage. One wing was torn off the airframe. The passenger said he then observed a fire near the front of the airplane. He and the pilot exited the airplane, but he returned to pull the right seat passenger out of the airplane. The fire then consumed the wreckage.

In a telephone interview with the NTSB IIC on September 9, 2004, the operator reported that he departed McGrath about 20 minutes after the accident airplane because his airplane, with a turbine engine, was faster. After leaving McGrath, his route of flight was south of the V-440 Airway between McGrath and Unalakleet, because the sky condition was lighter. He said the sky condition north of the airway, was dark. The operator indicated that when that he flew through the area of the accident, he estimated the visibility was five miles. After he landed in Kotzebue, the accident airplane did not arrive, and he reported the airplane overdue on August 27, at 2230.

The NTSB IIC interviewed the pilot on October 15, 2004, by telephone. During the interview, he stated that he leased the airplane to the operator, which had just been placed on the operator's air taxi certificate. He flew the airplane to Kenai, where the operator removed the floats and installed wheels. He was asked by the operator to fly the accident airplane to Kotzebue. The pilot said that the passenger was traveling to Kotzebue to work at the operator's hunting camp. The pilot-rated passenger was also going to work at the hunting camp, and the operator indicated that he (the passenger) held a commercial pilot certificate. The pilot reported the operator told him that the pilot-rated passenger had some DHC-3 experience, and he "seemed to know what he was doing." On the day of the accident, the pilot said that when he departed McGrath, the visibility was 1 to 3 miles in smoke, haze, and fog, but was VFR. He was using a global positioning system (GPS) receiver for navigation. He recalled hazy conditions in which he could see rolling hills and river cuts. Initially, the pilot-rated passenger was flying the airplane, using a sectional navigational chart and the GPS. The pilot indicated his next memory was when the pilot-rated passenger made a hand motion. The pilot said he took the airplane flight controls and recalls making a 180 degree turn. His next memory was when he was outside of the airplane, after the crash. He was dragging himself uphill, away from the airplane.

In the Pilot/Operator Aircraft Accident Report, (NTSB Form 6120.1) submitted by the pilot, the pilot indicated that after departing McGrath, he headed for Unalakleet for better visibility while en route to Kotzebue. He said he established the airplane in cruise flight, and turned control over to the "co-pilot." He attempted to establish radio communication with the second airplane. He indicated that he noticed the airplane entering lowering visibility, and he reassumed control of the airplane. He attempted a turn to clear the low visibility area, but collided with trees and crashed. The pilot reported that his report was accurate to best of his memory, but he suffered significant memory loss from the accident.

In the portion of the NTSB 6120.1 report that requested information about the person manipulating the controls at the time of the accident, the pilot indicated, "First Pilot." In the portion of the report that requested who was the pilot-in-command, the pilot indicated, "First Pilot."

PERSONNEL INFORMATION

Pilot Information

The pilot holds an airline transport pilot certificate with an airplane multiengine land rating, and instrument airplane rating. He holds a commercial pilot certificate with airplane single-engine land and sea ratings. He also holds a flight engineer certificate with jet and reciprocating aircraft ratings, and holds a mechanic certificate with airframe and powerplant ratings. The most recent third-class medical certificate was issued to the pilot on August 9, 2004, and contained the limitation that he must have available glasses for near vision.

The aeronautical experience listed on page 3 of this report was obtained from a review of the airmen Federal Aviation Administration (FAA) records on file in the Airman and Medical Records Center located in Oklahoma City. On the pilot's most recent application for a medical certificate, the pilot indicated that his total aeronautical experience consisted of about 10,500 hours, of which 50 hours were accrued in the previous 6 months.

In the portions of the NTSB 6120.1 report that requested information about the pilot's most recent biennial flight review, the flight review aircraft, and his flight time, the pilot indicated "unknown."

Pilot-Rated Passenger Information

The passenger held a commercial pilot certificate with airplane single-engine land, and instrument airplane ratings. The most recent first-class medical certificate was issued to the pilot on May 29, 2003, and contained the limitation that he must wear corrective lenses.

The aeronautical experience listed on page 3 of this report was obtained from a review of the airmen Federal Aviation Administration (FAA) records on file in the Airman and Medical Records Center located in Oklahoma City. On the pilot's application for an FAA medical certificate, May, 29, 2003, the pilot indicated that his total aeronautical experience consisted of about 198 hours, of which 5 hours were accrued in the previous 6 months.

The operator provided a copy of an undated resume submitted to him by the passenger. The resume indicated that he held a commercial pilot certificate, with an instrument rating, and 210 hours of flight experience. The resume also indicated that he was a 1st Lt. with the Civil Air Patrol, Kenai Composite Squadron.

Operator Information

The operator holds an on-demand air taxi certificate. The operator's air taxi operations are listed on an internet web site as a division of Alaska Dream Quest, which offers hunting, fishing, and bear viewing activities in remote parts of Alaska. The operator reported that the pilot-rated passenger was not employed by the company as a pilot.

AIRCRAFT INFORMATION

No maintenance records were located for the accident airplane. The pilot indicated that he was unsure where they were, and were most likely were on-board the airplane when it crashed. The operator indicated he did not know where the maintenance records were.

METEOROLOGICAL INFORMATION

An area forecast for the southern half of Alaska was issued on August 27, at 1250. An area forecast for the Kuskokwim Valley, valid until 2400, stated, in part: AIRMET for mountain obscuration, valid until 1800, mountains occasionally obscured in clouds and precipitation, no change. Clouds and weather, 1,500 feet scattered, 4,000 feet broken, 5,000 feet overcast, tops at 13,000 feet, separate layers to 32,000 feet. Occasionally, 1,500 feet broken; visibility, 4 statute miles in smoke, light rain and smoke. Isolated visibility below 3 statute miles in smoke, light rain and smoke. Outlook, valid from August 27 at 2400, to August 28 at 1800, VFR. Turbulence, nil significant. Icing and freezing level, light to isolated moderate rime icing in clouds between 5,000 to 13,000 feet. Freezing level, 5,000 feet.

For the Yukon-Kuskokwim Delta, valid until 2400, the area forecast stated, in part: Clouds and weather, few clouds at 2,000 feet, 5,000 feet scattered, 10,000 feet scattered. Occasionally, 5,000 feet broken, tops at 12,000 feet with isolated light rain showers. Occasionally, visibility 5 statute miles in smoke. East of Bethel, Alaska, isolated areas of 2,000 feet broken; visibility 3 statute miles in light rain showers and mist. Coastal areas/off shore, 2,000 feet scattered, isolated areas of 2,000 feet broken, tops at 7,000 feet with isolated light rain. Outlook, valid from August 27 at 2400, to August 28 at 1800, VFR. Turbulence, nil significant. Icing and freezing level, nil significant. Freezing level 8,000 feet in the west, sloping to 5,000 feet in the east.

An area forecast for the northern half of Alaska, was issued on August 27, at 1325. An area forecast for the lower Yukon Valley, and valid until August 27, at 2400, stated, in part: AIRMET for IFR and mountain obscuration, valid until 1800, occasionally, ceilings below 1,000 feet with visibility below 3 statute miles in smoke, light rain and smoke, improving. Otherwise, clouds and weather, 500 feet scattered, 2,500 feet scattered, 5,000 feet broken to overcast, tops at 14,000 fe

NTSB Probable Cause

The pilot's inadequate in-flight planning/decision making, his continued VFR flight into instrument meteorological conditions, and his failure to maintain obstacle clearance. Factors contributing to the accident were low ceilings due to smoke, rain, and mist.

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