# NTSB FTW84LA263: Rockwell A-9B, N7252V, Maringouin, LA, June 1, 1984

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: June 1, 1984, 16:40 local (21:40 UTC)
- Place: Maringouin, LA
- Coordinates: 30.490072, -91.509033 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=30.4901&lon=-91.5090&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21360
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84LA263
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21360/pdf
- Page: https://openairdocs.org/ntsb/FTW84LA263

## Sequence of events

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

- In flight collision with object, maneuvering - aerial application
  - in-flight planning/decision - improper, pilot in command (contributing factor)
  - visual lookout - inadequate, pilot in command (contributing factor)
  - object - tree(s) (contributing factor)
  - clearance - not maintained, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - ground

## Analysis

THE PLT WAS COMPLETING THE FIRST SWATH PASS ATTEMPTING TO FLY UNDER A POWER LINE AND BETWEEN A TREE AND PARKED FARM EQUIPMENT. IN A SLIGHT LEFT TURN UNDER THE POWER LINE, THE RIGHT WING CONTACTED TREE TOPS APRX 30 FT AGL. THE ACFT CONTINUED APRX 150 YARDS INFLIGHT UNTIL THE RIGHT WING DROPPED AND THE ACFT ROLLED INVERTED CRASHING UNCONTROLLED INTO A FIELD.

## Aircraft

- Registration: [N7252V](https://openairdocs.org/deregistered/N7252V-1985-03-15), registration cancelled 1985-03-15, S/N 1307 (OpenAirDocs)
- Reported make and model: ROCKWELL A-9B
- Registry model: [Intermountain CALLAIR A-9B](https://openairdocs.org/model/intermountain-callair-a-9b) (registry code 4570624) (OpenAirDocs)
- Category: Airplane
- Serial number: 1307
- Airframe hours: 2943
- Engines: LYCOMING IO-540-B1C5 290 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Registered owner: John R. Drake
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, May 31, 1984
- Departed: MARINGOUIN, LA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: helicopter, airplane; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 4,552 total, 792 in this make and model, 56 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 9 knots
- Lowest ceiling: none
- Temperature: 81 °F, dew point 48 °F
- Altimeter: 30.00 inHg
- Observed at: BTR, 13 nm away

## 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 19840601023889A](https://openairdocs.org/incident/19840601023889A), Jun 1, 1984: Airpts A9B, Maringouin, LA, Destroyed. A wing brushed tree tops while flying under wires on a spray run. Pilot lost control. Aircraft rolled and crashed.

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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