Cirrus Design CORP SR20 accident near Houston, Texas, June 9, 2016
On June 9, 2016 at about 6:09 pm local time, a 2012 Cirrus Design CORP SR20, registered N4252G, was substantially damaged in an accident during approach (VFR go-around) near Houston, Texas (William P Hobby airport). It was a personal flight under general aviation rules (Part 91). 3 people were killed. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The pilot's improper go-around procedure that did not ensure that the airplane was at a safe airspeed before raising the flaps, which resulted in exceedance of the critical angle of attack and resulted in an accelerated aerodynamic stall and spin into terrain. Contributing to the accident were the initial local controller's decision to keep the pilot in the traffic pattern, the second local controller's issuance of an unnecessarily complex clearance during a critical phase of flight. Also contributing was the pilot's lack of assertiveness.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 9, 2016 · about 6:09 pm local time
- Place
- Houston, Texas · William P Hobby · map
- Type
- Accident
- Injuries
- 3 people were killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Cirrus Design CORP SR20, built 2012
- Registration
- N4252G · no longer on the register · serial 2217
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot was attempting to land the airplane at a busy airport with high volume airline traffic. While attempting to sequence the airplane between airplanes, the air traffic controller issued numerous instructions to the pilot, which included changing runways multiple times. The pilot was instructed to go around twice by the local controller; the first time because an air carrier airplane was overtaking the accident airplane and the second time because the airplane was too high to make a safe landing. During the airplane's third approach, a new local controller came on duty. On this approach, the pilot again had difficulty descending fast enough to make a safe landing, and she elected to perform another go-around. The new local controller then issued the pilot a lengthy clearance as the pilot was performing the go-around procedure. Data retrieved from the airplane revealed that, during the go-around, the pilot did not follow the recommended go-around procedure; specifically, the pilot did not attain a speed between 81 to 83 knots indicated airspeed (KIAS) before raising the flaps. Rather, the airplane's airspeed was 58 KIAS when the pilot raised the airplane's flaps while in a left turn, which resulted in exceedance of the critical angle of attack and a subsequent aerodynamic stall and spin into terrain. Postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation. The air traffic control instructions given to the pilot during the three approaches were complex and potentially distracting. The initial local controller elected to keep the airplane in the traffic pattern rather than transferring the airplane to an approach controller for resequencing when airline traffic interrupted the pilot's first landing attempt and when the pilot displayed difficulty landing the airplane on her second landing attempt. The complex instructions from the second local controller during the pilot's go-around following her third landing attempt, were unnecessary at that time and likely distracted the pilot from monitoring critical flight parameters. The pilot was attempting to comply with ATC instructions throughout the flight and the pilot's actions are understandable as the instructions were largely consistent with the pilot's goal to land at the busy airport. However, compliance with ATC instructions greatly increased the pilot's workload as it led to an extended period of close-in maneuvering at a Class B airport due to the larger and faster airplanes converging on the airport. During this extended period of maneuvering the pilot did not assert the responsibilities that accompany being a pilot-in-command and did not offload the workload by either requesting to be re-sequenced, telling the controller to standby, or stating "unable." This allowed for an increased likelihood of operational distractions associated with air traffic communications and affected the pilot's ability to focus on aircraft control.
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
- Loss of control in flight during approach (VFR go-around) defining event
- Collision with terrain or object (not controlled flight into terrain) during uncontrolled descent
The NTSB's findings
- cause Personnel issues › Action/decision › Action › Incorrect action performance › Pilot
- cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Angle of attack › Capability exceeded
- cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Airspeed › Not attained/maintained
- factor Personnel issues › Psychological › Personality/attitude › Motivation/respond to pressure › Pilot
- factor Personnel issues › Action/decision › Info processing/decision › Decision making/judgment › ATC personnel
- factor Personnel issues › Action/decision › Action › Unnecessary action › ATC personnel
Pilot
- Certificate: private
- Ratings: single-engine land
- Flight time: 332.6 hours in all; 303.6 in this make and model; 28 in the last 90 days; 7 in the last 30 days; 253 as pilot in command
- Last flight review: May 2, 2014
- Medical certificate: Class 3 (without waivers/limitations)
- Seat: left
- Injury: fatal
The aircraft
- Airframe total time: 429 hours
- Last inspection: annual inspection, January 16, 2016; 42 hours since
- Maximum gross weight: 3,050 lb
- Seats: 5
- Landing gear: fixed
- Engine: Cont Motor IO-360-ES (piston); 429 hours total
- Operator: Safe Aviation LLC
The flight
- Departed from: OUN Norman OK at 3:00 pm
- Destination: HOU Houston TX
- Flight plan: VFR
- Runway 35, 6,000 ft by 150 ft
Weather at the time
- Light: daylight
- Wind: from 100° at 12 knots, gusting 16
- Visibility: 10 statute miles
- Sky: broken clouds at 3,600 ft
- Temperature: 90°F (32°C), dew point 72°F (22°C)
- Altimeter: 29.94 inHg
- Observation at 5:53 pm from KHOU, 1 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 | |||
| Passengers | 2 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
15 documents, released by the NTSB on December 5, 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.
| # | Document | What it is | |
|---|---|---|---|
| 1 | Air Traffic Control Factual Report | PDF, 30 pages | View Download |
| 2 | Hou Tower Accident Package | PDF, 53 pages | View Download |
| 3 | Oun Tower Accident Package | PDF, 20 pages | View Download |
| 4 | Hou Tower Operating Procedures | PDF, 39 pages | View Download |
| 5 | N4252G radar Target File - Hou Asr Google Earth Kml | map file | Download |
| 6 | Houston Approach Control radar File (Shelf Item) | PDF, 1 page | View Download |
| 7 | Cockpit Displays - Specialist's Factual Report | PDF, 10 pages | View Download |
| 8 | Attachment 1 - Cockpit Displays Factual Report | data file | Download |
| 9 | Pilot Toxicology | PDF, 1 page | View Download |
| 10 | Statement of Party Representatives to NTSB Investigation | PDF, 3 pages | View Download |
| 11 | Weather Summary | PDF, 2 pages | View Download |
| 12 | Wreckage Diagram (Courtesy of Houston Pd) | PDF, 2 pages | View Download |
| 13 | CFI Statements | PDF, 2 pages | View Download |
| 14 | Photos | PDF, 3 pages | View Download |
| 15 | Stall Speeds | PDF, 1 page | View Download |
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.
