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Accidents · NTSB GAA17CA034 · Final report

Yakovlev YAK accident near Tracy, California, October 23, 2016

On October 23, 2016 at about 9:30 pm local time, a 1987 Yakovlev YAK, registered N38YK, was substantially damaged in an accident during landing near Tracy, California (New Jerusalem airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The pilot’s unstabilized approach and delayed application of full throttle for a go-around, which resulted in an uncontrolled descent.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
October 23, 2016 · about 9:30 pm local time
Place
Tracy, California · New Jerusalem · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Yakovlev YAK 55M, built 1987
Registration
N38YK · no longer on the register · serial 870203
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

The pilot of the high-performance airplane reported that, on his third simulated forced landing, while turning left base to final in a slip, he realized that the airplane was too low and not aligned with the runway. He applied full throttle to go around. The airplane responded suddenly by changing attitude but continued to descend and impacted terrain and the airport perimeter fence. The airplane sustained substantial damage to both wings and the fuselage. The pilot further reported that the slow airspeed coupled with the unexpected high torque from advancing the throttle during an uncoordinated left turn were factors in the accident. The pilot reported no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Loss of control in flight during landing defining event
  2. Attempted remediation/recovery during landing
  3. Collision during takeoff/land during landing

The NTSB's findings

  • cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Descent/approach/glide path › Not attained/maintained
  • cause Personnel issues › Action/decision › Action › Delayed action › Pilot
  • cause Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
  • Environmental issues › Physical environment › Object/animal/substance › Fence/fence post › Contributed to outcome

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Flight time: 628 hours in all; 134 in this make and model; 10 in the last 90 days; 4 in the last 30 days; 474 as pilot in command
  • Last flight review: March 12, 2015
  • Medical certificate: Class 3 (with waivers/limitations)
  • Seat: sngl
  • Injury: no injuries

The aircraft

  • Airframe total time: 1,900 hours
  • Last inspection: annual inspection, July 14, 2016
  • Maximum gross weight: 2,123 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Vedeneyev M14PF (piston); 894 hours total

The flight

  • Departed from: RHV San Jose CA at 8:30 pm
  • Destination: 1Q4 Tracy CA
  • Flight plan: none
  • Runway 30, 3,530 ft by 60 ft

Weather at the time

  • Light: daylight
  • Wind: from 280° at 4 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 75°F (24°C), dew point 46°F (8°C)
  • Altimeter: 29.87 inHg
  • Observation at 8:55 pm from KSCK, 13 miles away

Injuries

FatalSeriousMinorNone
Flight crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

2 documents, released by the NTSB on February 9, 2017. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.