# NTSB SEA83LA043: Bellanca 17-30A, N28163, Pocatello, ID, January 17, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 17, 1983, 15:41 local (22:41 UTC)
- Place: Pocatello, ID
- Coordinates: 42.900554, -112.389625 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.9006&lon=-112.3896&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): 39654
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83LA043
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39654/pdf
- Page: https://openairdocs.org/ntsb/SEA83LA043

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, missed approach (ifr)
  - throttle/power lever,cable - disconnected (cause)
  - maintenance,installation - improper, other maintenance personnel (cause)
- Forced landing, approach - vfr pattern - final approach
- In flight collision with object, approach - vfr pattern - final approach
  - object - wire,transmission (contributing factor)

## Analysis

DURING A MISSED APPROACH A PARTIAL POWER LOSS OCCURRED DURING THE TRANSITION TO CLIMB. THE PLT EXECUTED A COURSE REVERSAL TO RETURN VISUALLY TO THE ARPT. SHORTLY THEREAFTER HE CHOSE TO EXECUTE AN EMERGENCY LANDING ON A FRONTAGE ROAD WHICH PARALLELED RR TRACKS. DURING THE APPROACH THE ACFT STRUCK COMMUNICATION LINES & THEN A POLE. EXAMINATION OF THE THROTTLE CABLE REVEALED THAT IT HAD SLIPPED FREE OF ITS ATTACH POINT AT THE CARBURETOR. A NEW THROTTLE CABLE HAD BEEN INSTALLED 12/7/82. THE ACFT WAS OPERATED 2.7 HRS SINCE THAT TIME, THE EQUIVALENT OF THE FLT TIME FROM PORTLAND, OR TO POCATELLO, ID.

## Aircraft

- Registration: N28163 (not matched to a registry record)
- Reported make and model: BELLANCA 17-30A
- Category: Airplane
- Serial number: 79-30907
- Airframe hours: 1019
- Engines: CONTINENTAL IO-520-K1A 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: Richard E. Cosgriffe
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 17, 1982, 49 hours before
- Departed: TTD, PORTLAND, OR
- Flight plan: IFR
- Airport: PIH, Pocatello Muni., runway 21, 9,046 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 56; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 3,200 total, 1,204 in this make and model, 2 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 280° at 5 knots
- Visibility: 3 statute miles
- Lowest ceiling: 500 ft overcast
- Temperature: 32 °F, dew point 30 °F
- Altimeter: 29.00 inHg
- Observed at: PIH, 2 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 19830117002099A](https://openairdocs.org/incident/19830117002099A), Jan 17, 1983: Blanca 1730A, Pocatello, ID, Substantial damage. Engine failed to respond on missed approach. Hit powerline when landing on a road. Throttle cable came loose at carb.

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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