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Accidents · NTSB GAA17CA260 · Final report

Mooney M20 accident near Olathe, Kansas, May 2, 2017

On May 2, 2017 at about 11:30 pm local time, a 1964 Mooney M20, registered N7118U, was substantially damaged in an accident during takeoff near Olathe, Kansas (Johnson County Executive airport). It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries; 2 others were unhurt. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The separated fuel tank selector knob roll pin, which prevented the fuel selector from moving to the fuel tank position for the tank with usable fuel and resulted in fuel starvation and the subsequent total loss of engine power.

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

What the record shows

Date
May 2, 2017 · about 11:30 pm local time
Place
Olathe, Kansas · Johnson County Executive · map
Type
Accident
Injuries
1 person had minor injuries; 2 others were unhurt.
Weather
visual conditions (good weather)
Aircraft
Mooney M20 E, built 1964 · all M20s on the register
Registration
N7118U · no longer on the register · serial 360
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The pilot reported that, during the initial climb, about 1,000 ft above the ground, he "saw the engine power winding down." He added that he "turned on" the boost pump, checked the magnetos and fuel mixture, and then switched the fuel selector to the other fuel tank. The engine experienced a total loss of power and then impacted the ground. The airplane sustained substantial damage to the fuselage. The Federal Aviation Administration inspector reported that he traveled to the accident, and while on-site, he observed that the fuel selector knob set screw was loose and that the knob turned freely on the shaft. The set screw doesn’t keep the knob keyed; it just stops it from coming off. A roll pin keeps the shaft in position and was observed in the selector well. The pilot did not submit the National Transportation Safety Board Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report.

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. Unknown or undetermined during prior to flight
  2. Fuel starvation during takeoff defining event
  3. Loss of engine power (total) during takeoff
  4. Collision with terrain or object (not controlled flight into terrain) during takeoff

The NTSB's findings

  • cause Aircraft › Aircraft systems › Fuel system › Fuel selector/shutoff valve › Malfunction

Pilot

  • Certificate: airline transport pilot, flight instructor, commercial pilot, flight engineer, private
  • Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane; rotorcraft: glider
  • Last flight review: February 21, 2017
  • Medical certificate: Class 3 (with waivers/limitations)
  • Seat: unk
  • Injury: no injuries

The aircraft

  • Maximum gross weight: 2,575 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming IO360 SER (piston); 0 hours total
  • Operator: Smooth Blue INC.

The flight

  • Departed from: OJC Olathe KS at 11:30 pm
  • Destination: MHK Manhattan KS
  • Flight plan: not recorded

Weather at the time

  • Light: daylight
  • Wind: from 010° at 3 knots
  • Visibility: 10 statute miles
  • Sky: a few clouds at 11,000 ft
  • Temperature: 64°F (18°C), dew point 41°F (5°C)
  • Altimeter: 29.96 inHg
  • Observation at 11:53 pm from KOJC

Injuries

FatalSeriousMinorNone
Flight crew1
Passengers11

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

7 documents, released by the NTSB on December 14, 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.