# NTSB LAX83LA269: Cessna T337H, N1497S, Redding, CA, June 4, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 3, 1983, 20:42 local (Jun 4, 1983, 03:42 UTC)
- Place: Redding, CA
- Coordinates: 40.519172, -122.319732 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.5192&lon=-122.3197&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 23739
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX83LA269
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/23739/pdf
- Page: https://openairdocs.org/ntsb/LAX83LA269

## Sequence of events

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

- Airframe/component/system failure/malfunction, approach
  - landing gear,normal retraction/extension assembly - inoperative (cause)
  - fluid,hydraulic - contamination (cause)
- In flight collision with terrain/water, landing - flare/touchdown

## Analysis

DURING THE LANDING SEQUENCE AT A PRIVATE AIRSTRIP THE PLT ATTEMPTED TO LOWER THE LANDING GEAR BUT FOUND IT WOULD NOT LOCK. THE ACFT WAS RETURNED TO THE DEPARTURE ARPT AND AFTER CIRCLING FOR TWO AND ONE HALF HOURS WITH DARKNESS APPROACHING WAS LANDED WITH THE GEAR PARTIALLY EXTENDED. EXAMINATION OF THE HYDRAULIC SYSTEM REVEALED METAL SHAVINGS AND/OR FILINGS IN THE HYDRAULIC FLUID LINES CONNECTING TO THE HYDRAULIC POWER PACK.

## Aircraft

- Registration: [N1497S](https://openairdocs.org/deregistered/N1497S-1996-05-10), registration cancelled 1996-05-10, S/N 33701929 (OpenAirDocs)
- Reported make and model: CESSNA T337H
- Registry model: [Cessna T337H](https://openairdocs.org/model/cessna-t337h) (registry code 2075733) (OpenAirDocs)
- Category: Airplane
- Serial number: 33701929
- Airframe hours: 250
- Engines: CONTINENTAL TSIO-360-H 210 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Moseman Construction Company
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 1, 1982, 31 hours before
- Destination: MILLVILLE, CA
- Airport: RDD, Redding Muni, runway 16, 7,003 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 57; private; airplane ratings: multi-engine land, single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 2,587 total, 2,527 as pilot in command, 10 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 160° at 7 knots
- Visibility: 40 statute miles
- Lowest ceiling: 15,000 ft broken
- Temperature: 77 °F, dew point 59 °F
- Altimeter: 29.00 inHg
- Observed at: RDD

## 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 19830603073829A](https://openairdocs.org/incident/19830603073829A), Jun 3, 1983: Cessna T337H, Redding, CA, Substantial damage. Gear jammed during extension. Had to land with gear in trail position. Metal particles found in hydraulic system.

## Other investigations on N1497S (1)

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.

- [NTSB LAX95FA020](https://openairdocs.org/ntsb/LAX95FA020), Oct 28, 1994: Cessna T337H (N1497S), Douglas City, CA, destroyed, 2 fatal. Probable cause: The improper in-flight decision of the pilot to fly in dark night time conditions in mountainous terrain during adverse weather conditions.

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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