# NTSB FTW89GA156: Piper PA-18-150, N4423Z, Grand Chenier, LA, August 30, 1989

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Final report
- Date: August 30, 1989, 12:25 local (17:25 UTC)
- Place: Grand Chenier, LA
- Coordinates: 29.759542, -92.970222 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=29.7595&lon=-92.9702&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report July 11, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 22791
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW89GA156
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22791/pdf
- Page: https://openairdocs.org/ntsb/FTW89GA156

## Sequence of events

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

- Loss of engine power, cruise
- Forced landing, descent - emergency
- Nose over, landing - flare/touchdown

## Analysis

ON AUGUST 30, 1989, AT 1225 CDT, A PIPER PA-18-150,  N4423Z,BEING  OPERATED  BY  AND CONDUCTING  AN  AERIAL  SURVEY  FORLOUISIANA  WILDLIFE  AND FISHERIES COMMISSION  AS  A  PUBLICAIRCRAFT,  FLIPPED FORWARD TO THE INVERTED POSITION DURING AFORCED  LANDING  15 MILES EAST-NORTHEAST OF  GRAND  CHENIER,LOUISIANA,   FOLLOWING  A  LOSS  OF  ENGINE   POWER.  VISUALMETEOROLOGICAL  CONDITIONS PREVAILED, AND A FLIGHT PLAN  HADNOT BEEN FILED.  THE AIRPLANE WAS SUBSTANTIALLY DAMAGED, BUTNEITHER  THE  PRIVATE PILOT OR HIS PASSENGER  WERE  INJURED.THE  AIRPLANE DEPARTED THE NUNEZ, LOUISIANA, AIRSTRIP  (L12)ON AUGUST 30, 1989, AT 1210 CDT, FOR THIS LOCAL 14 CFR  PART91 FLIGHT.

## Aircraft

- Registration: [N4423Z](https://openairdocs.org/aircraft/N4423Z), registered now, S/N 18-8759 (OpenAirDocs)
- Reported make and model: PIPER PA-18-150
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18-8759
- Airframe hours: 2542
- Engines: LYCOMING O-320-A2B 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Public aircraft, Part 91
- Registered owner: Louisiana Wildlife & Fisheries
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, July 28, 1989, 22 hours before
- Departed: LA12, GRAND CHENIER, LA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 47; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 960 total, 760 in this make and model, 800 as pilot in command, 55 in the last 90 days, 23 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 120° at 8 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Temperature: 93 °F

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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