Beech B19 and Convair 600 mid-air collision near Forth Worth, Texas, November 20, 1991
On November 20, 1991 at about 6:18 pm local time, 2 aircraft, Beech B19 (N9343S) and Convair 600 (N94258), were involved in a mid-air collision near Forth Worth, Texas (Ft Worth Alliance airport). No one was hurt; 4 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
INADEQUATE VISUAL LOOKOUT BY THE PILOTS-IN-COMMAND OF BOTH AIRCRAFT, WHICH RESULTED IN THEIR FAILURE TO SEE-AND-AVOID THE OTHER AIRCRAFT. A FACTOR RELATED TO THE ACCIDENT WAS: FAILURE OF THE DEVELOPMENTAL CONTROLLER OR THE SUPERVISOR TO PROVIDE ADEQUATE CONTROL TOWER SERVICE.
INADEQUATE VISUAL LOOKOUT BY THE PILOTS-IN-COMMAND OF BOTH AIRCRAFT, WHICH RESULTED IN THEIR FAILURE TO SEE-AND-AVOID THE OTHER AIRCRAFT. A FACTOR RELATED TO THE ACCIDENT WAS: FAILURE OF THE DEVELOPMENTAL CONTROLLER OR THE SUPERVISOR TO PROVIDE ADEQUATE CONTROL TOWER SERVICE.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- November 20, 1991 · about 6:18 pm local time
- Place
- Forth Worth, Texas · Ft Worth Alliance · map
- Type
- Accident · mid-air collision
- Injuries
- No one was hurt; 4 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft 1
- Beech B19 · all B19s on the register
- Registration
- N9343S · no longer on the register · serial MB-777
- Damage
- Substantial damage
- Flight
- Business flight · general aviation rules (Part 91)
- Aircraft 2
- Convair 600
- Registration
- N94258 · registry record · serial 119
- Damage
- Substantial damage
- Flight
- Instructional flight · general aviation rules (Part 91)
The NTSB's narrative for the Beech B19 final · quoted from the NTSB record
CONVAIR 600, N94258, WAS ON A FLT WITH A COML PLT IN THE L SEAT & A CFI IN THE RGT SEAT. THEY ENTERED VFR TFC FOR ILS APCHS TO RWY 34. THE COML PLT WAS USING A HOOD; THE CFI WAS PROVIDING SIMULATED ATC VCTRS FOR AN APCH. A DEVELOPMENTAL CTLR (D/C) WAS CTLG TFC AT THE FTW ALLIANCE ARPT UNDER SUPVN OF AN INSTRUCTOR. D/C ADZD THE PLTS TO MAINT VFR & THAT SEPN SVCS WOULD NOT BE PROVIDED. AS THE CONVAIR WAS IN A CLOSED/RGT PATTERN, THE PLT OF BEECH B19, N9343S, CTCD THE TWR FOR APPROVAL TO TRANSIT THE AREA FM SE TO NE. THE B19 PLT WAS CLRD THRU THE AREA AT OR BLO 2400' MSL. SUBSEQUENTLY, THE 2 ACFT CONVERGED & COLLIDED AT AN ALT OF ABT 2000' MSL. IMPACT OCCURRED AS THE B19 WAS ON A HDG OF 060 DEG & THE CONVAIR WAS IN A RGT TURN TO INTERCEPT THE ILS FINAL APCH COURSE. THE B19 PLT SAW THE CONVAIR JUST BFR IMPACT & TRIED TO AVOID A COLLISION; THE CONVAIR PLTS DID NOT SEE THE B19. AFTER IMPACT, THE CONVAIR WAS LNDD WITH A DMGD HRZNTL STBLZR. THE B19 PLT WAS FORCED TO LNDG ON ROUGH TRRN. THE ATC CTLRS HAD NOT NOTIFIED EITHER CREW OF THE OTR ACFT'S PSN.
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 NTSB's narrative for the Convair 600 final · quoted from the NTSB record
CONVAIR 600, N94258, WAS ON A FLT WITH A COML PLT IN THE L SEAT & A CFI IN THE RGT SEAT. THEY ENTERED VFR TFC FOR ILS APCHS TO RWY 34. THE COML PLT WAS USING A HOOD; THE CFI WAS PROVIDING SIMULATED ATC VCTRS FOR AN APCH. A DEVELOPMENTAL CTLR (D/C) WAS CTLG TFC AT THE ARPT UNDER SUPVN OF AN INSTRUCTOR. THE D/C HAD ADZD THE PLTS TO MAINT VFR & THAT SEPN SVCS WOULD NOT BE PROVIDED. AS THE CONVAIR WAS IN A CLOSED/RGT PATTERN, THE PLT OF BEECH B19, N9343S, CTCD THE TWR FOR APPROVAL TO TRANSIT THE AREA FM SE TO NE. THE B19 PLT WAS CLRD THRU THE AREA AT OR BLO 2400' MSL. SUBSEQUENTLY, THE 2 ACFT CONVERGED & COLLIDED AT AN ALT OF ABT 2000' MSL. IMPACT OCCURRED AS THE B19 WAS ON A HDG OF 060 DEG & THE CONVAIR WAS IN A RGT TURN TO INTERCEPT THE ILS FINAL APCH COURSE. THE B19 PLT SAW THE CONVAIR JUST BFR IMPACT & TRIED TO AVOID A COLLISION; THE CONVAIR PLTS DID NOT SEE THE B19. AFTER IMPACT, THE CONVAIR WAS LNDD WITH A DMGD HRZNTL STBLZR. THE B19 PLT WAS FORCED TO LNDG ON ROUGH TRRN. THE ATC CTLRS HAD NOT NOTIFIED EITHER CREW OF THE OTHER ACFT'S PSN.
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 for the Beech B19 from the NTSB's investigation tables, in plain English
Pilot
- Certificate: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instrument: airplane
- Flight time: 690 hours in all; 200 in this make and model; 180 in the last 90 days; 42 in the last 30 days; 580 as pilot in command; 270 on instruments
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Last inspection: 100-hour inspection, October 9, 1991; 55 hours since
- Maximum gross weight: 2,150 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-320-E3D (piston); 0 hours total
The flight
- Departed from: FTW Ft Worth TX at 6:15 pm
- Destination: ADS Dallas TX
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 360° at 20 knots
- Visibility: 20 statute miles
- Sky: scat at 25,000 ft
- Temperature: 57°F (14°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
- Observation at 6:19 pm from AFW, 2 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
The factual record for the Convair 600 from the NTSB's investigation tables, in plain English
Pilot
- Certificate: airline transport pilot, flight instructor
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
- Flight time: 7,200 hours in all; 5,100 in this make and model; 88 in the last 90 days; 48 in the last 30 days; 4,700 as pilot in command; 2,500 on instruments
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: rgt
The aircraft
- Airframe total time: 61,707 hours
- Last inspection: continuous airworthiness programme, November 11, 1991; 1 hours since
- Maximum gross weight: 46,200 lb
- Seats: 48
- Landing gear: retractable
- Engine: Rolls-Royce RDA-10 (turboprop); 0 hours total
The flight
- Departed from: AWF Fort Worth TX at 6:10 pm
- Flight plan: none
- Runway 34, 9,600 ft by 150 ft
- A second pilot was aboard
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 3 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
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.