# NTSB LAX86LA271: Piper PA-23-160, N17278, Upland, CA, June 29, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 28, 1986, 19:20 local (Jun 29, 1986, 02:20 UTC)
- Place: Upland, CA
- Coordinates: 34.10046, -117.659126 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.1005&lon=-117.6591&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 25198
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86LA271
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25198/pdf
- Page: https://openairdocs.org/ntsb/LAX86LA271

## Sequence of events

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

- In flight collision with terrain/water, landing - flare/touchdown
  - planning/decision - improper, pilot in command (cause)
  - gear extension - delayed, pilot in command (cause)
- In flight collision with object, landing - flare/touchdown
  - object - aircraft parked/standing (contributing factor)

## Analysis

THE PLT STATED THAT HE WAS PRACTICING SINGLE ENGINE PROCEDURES AND HE FORGOT TO LOWER THE LANDING GEAR. ANOTHER PLT ALERTED HIM ON THE RADIO AND HE ATTEMPTED TO LOWER THE GEAR BUT LANDED WITH THE GEAR ONLY PARTIALLY EXTENDED. THE PLT STATED THAT HE CHOSE TO LAND ON THE TAXIWAY AND COLLIDED WITH THREE UNOCCUPIED PARKED ACFT.

## Aircraft

- Registration: [N17278](https://openairdocs.org/deregistered/N17278-2012-08-10), registration cancelled 2012-08-10, S/N 23-1615, built 1959 (OpenAirDocs)
- Reported make and model: PIPER PA-23-160
- Registry model: [Piper PA-23-160](https://openairdocs.org/model/piper-pa-23-160) (registry code 7102304) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 23-1615
- Airframe hours: 5200
- Engines: LYCOMING O-320 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: John Welniak
- Registered owner: Crocker National Bank
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 6, 1985, 105 hours before
- Airport: CCB, Cable, runway 24, 3,785 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 1,165 total, 105 in this make and model, 1,037 as pilot in command, 16 in the last 90 days, 2 in the last 30 days

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 240° at 15 knots
- Visibility: 15 statute miles
- Lowest ceiling: none

## 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 19860628028199A](https://openairdocs.org/incident/19860628028199A), Jun 28, 1986: Piper PA23160, Upland, CA, Substantial damage. Failed to maintain runway heading, late gear extension on single engine landing. Struck 3 aircraft on taxiway.

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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