Bellanca 17-30A accident near Cotulla, Texas, October 28, 1991
On October 28, 1991 at about 2:10 am local time, a Bellanca 17-30A, registered N6307Y, was substantially damaged in an accident near Cotulla, Texas (Cotulla airport). It was a personal flight under general aviation rules (Part 91). 2 people were seriously injured. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE PILOT'S FAILURE TO MAINTAIN AIRCRAFT CONTROL. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS, AND A SHORT IN THE ELECTRICAL SYSTEM WHICH RESULTED IN PARTIAL FAILURE OF THE INSTRUMENT LIGHTS AND A MALFUNCTION OF THE AUTOPILOT.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- October 28, 1991 · about 2:10 am local time
- Place
- Cotulla, Texas · Cotulla · map
- Type
- Accident
- Injuries
- 2 people were seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Bellanca 17-30A · all 17-30As on the register
- Registration
- N6307Y · no longer on the register · serial 84-30991
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT TOOK OFF ON A DARK NIGHT FROM RWY 13, WHICH HAD FEW VISUAL REFERENCES OFF THE DEP END. HE RPRTD THAT AFTER CLIMBING TO ABOUT 800 TO 1000 FT, THERE WAS A LOSS OF INSTRUMENT LIGHTING FOR THE HSI, ATTITUDE INDCR, ALTIMETER & VERTICAL SPEED INDCR. THE PSGR (HIS WIFE) HELD A FLASHLIGHT IN AN ATTEMPT TO ILLUMINATE THE EFFECTED INSTRUMENTS. HE ENGAGED THE HEADING HOLD (2 TIMES) & THE ACFT ENTERED A STEEP DSCNDG LEFT TURN. REALIZING THE ACFT HAD ENTERED A STEEP DSCNT, HE PULLED THE YOKE AFT, BUT THE ACFT IMPACTED THE TERRAIN. BOTH OCCUPANTS WERE SERIOUSLY INJURED, BUT THE PSGR NOTIFIED THE ARPT MANAGER OF THE ACDNT & A SEARCH WAS INITIATED. DRG THE INVESTIGATION, NO DISCREPANCY WITH THE AUTOPLT WAS VERIFIED, BUT A SHORT WAS FOUND AT A SPLICE IN THE INSTRUMENT LIGHTING SYSTEM.
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
Pilot
- Certificate: private
- Ratings: single-engine land; instrument: airplane
- Flight time: 1,040 hours in all; 1,000 in this make and model
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: annual inspection, August 23, 1991; 0 hours since
- Maximum gross weight: 3,000 lb
- Seats: 4
- Landing gear: retractable
- Engine: Continental IO-520-K (piston); 0 hours total
- Fire on the ground
The flight
- Departed from: COT at 2:00 am
- Destination: AXH Houston TX
- Flight plan: IFR
- Runway 0
Weather at the time
- Light: night, dark
- Wind: from 150° at 11 knots
- Visibility: 15 statute miles
- Sky: scat at 25,000 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
- Observation at 1:53 am from COT, 1 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
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.