# NTSB FTW91LA093: Grumman AA-5A, N26785, Angleton, TX, June 6, 1991

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: June 6, 1991, 13:30 local (18:30 UTC)
- Place: Angleton, TX
- Coordinates: 29.159212, -95.420768 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=29.1592&lon=-95.4208&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 31, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 23340
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW91LA093
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/23340/pdf
- Page: https://openairdocs.org/ntsb/FTW91LA093

## Probable cause

THE PILOT'S LOSS OF CONSCIOUSNESS DUE TO A PRE-EXISTING INFECTION.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - in flight, takeoff - initial climb
  - aircraft control - not maintained, pilot in command
  - incapacitation(loss of consciousness), pilot in command (cause)
- In flight collision with object, descent - uncontrolled
  - object - wire,static
  - object - tree(s)

## Analysis

THE STUDENT PILOT WAS SUFFERING FROM AN INFECTION AT THE TIME OF THE ACCIDENT. DUE TO FEELING ILL, THE STUDENT PILOT DISCONTINUED HER TRAINING FLIGHT AND INTENDED TO RETURN TO THE HOUSTON HOBBY AIRPORT. THE STUDENT PILOT LOST CONSCIOUSNESS ON TAKEOFF FROM THE ANGLETON AIRPORT.  SUBSEQUENTLY, THE AIRPLANE BECAME AIRBORNE AND STRUCK A POWER LINE AND A TREE BEFORE COMING TO REST.

## Aircraft

- Registration: [N26785](https://openairdocs.org/deregistered/N26785-1994-03-16), registration cancelled 1994-03-16, S/N AA5A0718 (OpenAirDocs)
- Reported make and model: GRUMMAN AA-5A
- Registry model: [Gulfstream American AA-5A](https://openairdocs.org/model/gulfstream-american-aa-5a) (registry code 3970104) (OpenAirDocs)
- Category: Airplane
- Serial number: AA5A-0718
- Airframe hours: 2724
- Engines: LYCOMING O-320-E2G 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Rich Aviation, Inc.
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: 100 hour, April 5, 1991, 48 hours before
- Departed: HOU, HOUSTON, TX
- Airport: LBX, Angleton, runway 17, 6,000 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; student; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 118 total, 29 as pilot in command, 48 in the last 90 days, 28 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 150° at 5 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 95 °F, dew point -0 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19910606020339A](https://openairdocs.org/incident/19910606020339A), Jun 6, 1991: Gulstm AA5A, Angleton, TX, Substantial damage. Became sick and passed out on takeoff,stalled into powerline and trees. Was suffering from an internal infection.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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