# NTSB SEA87LA164: Beech A36TC, N1834M, Cascade, ID, August 14, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 13, 1987, 20:15 local (Aug 14, 1987, 02:15 UTC)
- Place: Cascade, ID
- Coordinates: 44.590953, -115.570014 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.5910&lon=-115.5700&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40676
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA164
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40676/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA164

## Sequence of events

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

- Overrun, landing - aborted
  - weather condition - rain (contributing factor)
  - performed
  - airport facilities,runway/landing area condition - wet (contributing factor)
  - aircraft performance,hydroplaning condition (contributing factor)
  - go-around - delayed, pilot in command (cause)
- In flight collision with terrain/water, landing - aborted
  - airport/facilities - high obstruction(s) (contributing factor)
  - airport facilities,obstruction marking - unavailable (cause)

## Analysis

THE PLT ELECTED TO DIVERT DUE TO HVY RAIN AT HIS DESTN. WHILE LNDG AT AN ALTERNATE ARPT AT NGT, HYDROPLANING OCCURRED & BRAKING WAS NOT EFFECTIVE. DRG A GO-AROUND, THE ACFT ROLLED ONTO THE OVERRUN & LIFTED OFF, BUT THE  ACFT'S MAIN GEAR STRUCK A ROCK PILE ON THE OVERRUN. SUBSEQUENTLY, THE ACFT CAME TO REST ON CONSTRUCTION DIRT. THE ROCK PILE WAS APRX 5 FTHI & WAS LEFT ON THE OVERRUN BY CONSTRUCTION PSNL. A NOTAM WAS IN EFFECT WHICH STATED 'MEN AND EQUIPMENT PRESENT AT THE END OF RUNWAY 30.'  THE PLT RPRTD THERE WERE NO BARRIERS OR BLINKING LGTS TO MARK THE CONSTRUCTION AREA & HE WAS UNAWARE OF THE ROCK PILE UNTIL IT WAS TOO LATE.

## Aircraft

- Registration: N1834M (not matched to a registry record)
- Reported make and model: BEECH A36TC
- Category: Airplane
- Serial number: 1834M
- Airframe hours: 436
- Engines: CONTINENTAL TSIO-520 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Walter B. Stallcup Enterprises
- Airworthiness certificate: Standard, Normal
- Departed: BOI, BOISE, ID
- Destination: MYL, MCCALL, ID
- Airport: U70, Cascade Muni, runway 11, 3,200 × 40 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 2,017 total, 436 in this make and model, 2,017 as pilot in command, 46 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 270° at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: 7,500 ft overcast
- Temperature: 64 °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 19870813044259A](https://openairdocs.org/incident/19870813044259A), Aug 13, 1987: Beech A36TC, Cascade, ID, Substantial damage. Hydroplaned on wet runway. Unable to stop. Struck a rock pile off end of the runway on a belated go around.

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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