# NTSB LAX85LA224: Jack Boldt BD-5A, N831SP, Madera, CA, April 27, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: April 27, 1985, 10:50 local (18:50 UTC)
- Place: Madera, CA
- Coordinates: 36.910243, -120.189239 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.9102&lon=-120.1892&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24706
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX85LA224
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24706/pdf
- Page: https://openairdocs.org/ntsb/LAX85LA224

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, approach - vfr pattern - base leg/base to final
  - reason for occurrence undetermined (cause)
- Forced landing, maneuvering - turn to landing area (emergency)
- Hard landing, landing - flare/touchdown
  - terrain condition - open field
  - terrain condition - rough/uneven
  - flare - improper, pilot in command (cause)

## Analysis

ON BASE LEG, THE ACFT'S HONDA ENG LOST POWER. UNABLE TO GLIDE TO THE ARPT, THE PLT MADE AN EMERGENCY LANDING ON AN UNDERLYING ALFALFA FIELD. DURING THE LANDING, HE STALLED THE ACFT & LANDED HARD. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND.

## Aircraft

- Registration: [N831SP](https://openairdocs.org/deregistered/N831SP-1994-07-19), registration cancelled 1994-07-19, S/N 2096 (OpenAirDocs)
- Reported make and model: JACK BOLDT BD-5A
- Registry model: [Boldt Jack BD-5A](https://openairdocs.org/model/boldt-jack-bd-5a) (registry code 11307J2) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 2096
- Airframe hours: 74
- Engines: HONDA EB3 80 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Jack Boldt
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, April 5, 1985, 0 hours before
- Departed: 032, REEDLEY, CA
- Airport: MAE, Madera Muni, runway 12, 4,500 × 150 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 63; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: center; flight hours: 807 total, 16 in this make and model, 721 as pilot in command, 3 in the last 90 days, 3 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 5 knots
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 75 °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 19850427016809A](https://openairdocs.org/incident/19850427016809A), Apr 27, 1985: Amtrbd BEDEBD5A, Madera, CA, Substantial damage. Loss of engine power on base leg aircraft stalled into field. No mechanical malfunction.

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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