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N725ST accident description

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Crash location 37.321945°N, 109.955278°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 Mexican Hat, UT
37.151946°N, 109.867066°W
12.7 miles away

Tail number N725ST
Accident date 22 Sep 2002
Aircraft type Sabian Rans S-12XL
Additional details: None

NTSB description


On September 22, 2002, at approximately 1530 mountain daylight time, a Sabian Rans S12-XL, N725ST, was destroyed when it impacted terrain while maneuvering near Mexican Hat, Utah. The private pilot and passenger were both fatally injured. The airplane was being operated under Title 14 CFR Part 91. Visual meteorological conditions prevailed for the cross-country flight that originated from Blanding, Utah, at approximately 1405. No flight plan had been filed for the flight.

According to family members, the pilot was going camping the following weekend and wanted to "scout out" a location. According to a fuel receipt, time stamped at 1348, the pilot paid for 9.9 gallons of fuel in Blanding, Utah.

Witnesses observed the airplane fly up a small canyon in Cedar Mesa and make a "tight" 180 degree turn. They stated that a parachute was deployed and it appeared to be fully inflated. The parachute then separated from the airplane followed by the parachute and airplane descending towards the ground. The witnesses said the aircraft impacted the ground inverted. They stated the aircraft's engine was still running upon impact.


According to Federal Aviation Administration (FAA) records, the pilot received his first student certificate on November 3, 1982, and it was renewed on September 23, 1985. He completed all the requirements and passed his check ride for his private pilot's certificate on February 12, 2001. Additionally, on September 18, 2001, he received his Repairman Experimental Aircraft Certificate; he completed building his Rans S12-XL, N725ST, on August 9, 2001. The pilot was signed off to fly a Cessna 152 and got his flight review requirements reendorced on May 14, 2001. He was issued a third class medical certificate on May 4, 2001. The certificate contained no waivers or limitations.


The airplane, a Sabian Rans S12-XL, was manufactured by the pilot in 2001. It was equipped with a four cylinder, reciprocating, horizontally opposed, direct drive (gear reduced), air cooled, four stroke rear mounted pusher Rotax 912 S engine. The engine had a maximum takeoff rating of 100 horsepower at sea level. The propeller was a three-bladed warp drive composite propeller. Records indicate the pilot/builder performed an annual inspection on the airplane on September 14, 2002; these records did not indicate how many flight hours were on the airframe.

The Ballistic Recovery System (BRS), installed on this airplane, was a BRS VLS (Vertical Launch System) 1200 model. This system was designed for an aircraft with a gross weight of up to 1,200 pounds. The total parachute length was 16 feet and contained 32 gores (panels) with 32 suspension lines. Attached to the parachute was a 14 foot 11 3/4 inch nylon riser followed by a carabineer and a 10 foot Kevlar bridle (this was to protect the BRS from propeller strikes). The Kevlar bridle ended with another carabineer which was connected to harness attached to the aircraft. The system contained a warning label that stated "Aircraft Engine Must Be Shut Off Prior to Deploying Parachute. Failure to Do So May Result in Death or Serious Injury."

The pilot ordered his BRS unit on May 3, 2002; it was shipped on August 9, 2002. The pilot's wife flew with him once after the BRS unit was installed, several days before the accident flight.


At 1553, the weather conditions at Cortez, Colorado (elevation 5,918 feet), 070 degrees, 63 nautical miles from the accident site, were as follows: wind 180 degrees at 10 knots; visibility 10 statute miles; sky condition, clear of clouds (below 12,000 feet); temperature 79 degrees Fahrenheit; dew point 27 degrees Fahrenheit; altimeter setting 30.24 inches. The density altitude, at the accident site, was calculated to be 8,144 feet.


The aircraft was located in a remote rugged canyon in Cedar Mesa (N37 degrees, 19.19 minutes; W109 degrees, 57.19 minutes; elevation 5,681 feet), or 040 degrees, 29 nautical miles from the accident site to Blanding, Utah. Postimpact fire consumed the aircraft.

The rocket motor, a portion of the aircraft's BRS unit, was found with its sleeve near the accident site. The sleeve contained witness marks consistent with the marks from a propeller. According to a BRS representative, this indicated that the engine was producing power at the time the BRS unit was deployed. There was no evidence of fire on the sleeve assembly. The incremental bridle was fully stripped, indicating a full and complete extraction of the parachute and separation of the sleeve as designed.

Two #12 quick link carabineers were found in close proximity to one another at the accident site. According to BRS representatives, they should have been found at least 10 feet apart. One carabineer showed evidence of two or more Kevlar attachments. The other carabineer contained evidence of heat damage and contained no Kevlar residue.

According to BRS, the "slider was fully disreefed which suggested that the [para]chute reached full line stretch and inflat[ion] prior to separation." The nylon riser was severed at approximately 11 feet from the suspension line attachment point (carabineer to 10 foot Kevlar bridle). Overall nylon riser length for a BRS 1200 was 14 feet 11 3/4 inches. To verify the possibility that the propeller, under power, cut the riser, a BRS representative measured the approximate distances between the location of the aircraft attachment harness, the engine hub and the propeller arc. The triangulated distance was approximately 48 inches, which was equal to the 4 feet of missing riser.

The parachute contained witness cuts on the bottom 36 inches of the parachute. The marks are consistent with a power-on propeller "which suggests that the sleeve came in contact with a power-on propeller during the deployment sequence." No evidence of propagation was noted on any of these cuts. The suspension lines, rocket and motor were unremarkable.

No preimpact engine or airframe anomalies, which might have affected the airplane's performance, were identified.


An autopsy was performed on the pilot by the State of Utah, Department of Health, Salt Lake City, Utah, on September 24, 2002. The FAA's Civil Aeromedical Institute (CAMI) in Oklahoma City, Oklahoma did not receive specimens to perform toxicology tests.


The airplane, including all components and logbooks, was released to a representative of the pilot's insurance company on September 25, 2002.

(c) 2009-2018 Lee C. Baker / Crosswind Software, LLC. For informational purposes only.