# NTSB LAX84LA491: Ryan-Navion NAV-4-1908, N4908K, Milpitas, CA, September 22, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 22, 1984, 09:40 local (16:40 UTC)
- Place: Milpitas, CA
- Coordinates: 37.440906, -121.869094 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.4409&lon=-121.8691&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24407
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84LA491
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24407/pdf
- Page: https://openairdocs.org/ntsb/LAX84LA491

## Sequence of events

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

- Loss of engine power, takeoff - initial climb
  - reason for occurrence undetermined (cause)
- Forced landing, landing
- In flight collision with terrain/water, landing - flare/touchdown
  - terrain condition - rough/uneven (contributing factor)

## Analysis

THE ACFT MADE A FORCED LANDING IMMEDIATELY AFTER TAKEOFF WHEN THE ENGINE QUIT AT ABOUT 220 FT AGL. THE ACFT WAS LANDED IN A GARBAGE DUMP. POST ACCIDENT INVESTIGATION REVEALED NO DISCREPANCIES IN THE ACFT TO ACCOUNT FOR THE ENGINE STOPPAGE.THE REPORTED TEMPERATURE WAS 73 DEGREES F AND THE DEW POINT WAS 50 DEGREES F.

## Aircraft

- Registration: [N4908K](https://openairdocs.org/deregistered/N4908K-1992-02-23), registration cancelled 1992-02-23, S/N NAV41908 (OpenAirDocs)
- Reported make and model: RYAN-NAVION NAV-4-1908
- Registry model: [Ryan NAVION](https://openairdocs.org/model/ryan-navion) (registry code 6150160) (OpenAirDocs)
- Category: Airplane
- Serial number: 1908
- Airframe hours: 3366
- Engines: CONTINENTAL E-225 225 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Gerald S. Hern
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 8, 1984, 60 hours before
- Departed: Q59, FREMONT, CA
- Destination: SNS, SALINAS, CA
- Airport: Q59, Fremont Ca, runway 31, 2,310 ×  ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 56; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 354 total, 153 in this make and model, 283 as pilot in command, 40 in the last 90 days, 20 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 5 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 73 °F, dew point 50 °F
- Altimeter: 29.00 inHg
- Observed at: SJC, 6 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 19840922050489A](https://openairdocs.org/incident/19840922050489A), Sep 22, 1984: Tmpson NAVION*, Fremont, CA, Substantial damage. Engine quit on climbout. Crash landed off end of runway in a garbage dump. Cause of power loss unknown.

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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