# NTSB SEA87MA192: Fairchild SA227-AC, N2689E, Twin Falls, ID, September 25, 1987

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Major investigation · Final report
- Date: September 24, 1987, 23:25 local (Sep 25, 1987, 05:25 UTC)
- Place: Twin Falls, ID
- Coordinates: 42.410106, -114.589759 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.4101&lon=-114.5898&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 minor
- Status: Completed, report December 12, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40706
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87MA192
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40706/pdf
- Page: https://openairdocs.org/ntsb/SEA87MA192

## Analysis

CHK PLT WAS CONDUCTING CAPT PROFICIENCY CHK ON ANOTHER COMPANY PLT (PIC) UNDER DARK NGT CONDTNS. SUBSEQUENT TO FULL STOP LDG ON RWY 25, TAKEOFF CHKLST WAS RECITED. PIC COMMENCED T/O ON RWY 07. CHK PLT SIMULATED VI ENG CUT AFTER LIFTOFF. PIC WAS UNABLE TO ACCEL TO V2, CLIMB, OR MAINTAIN DIRECTNL CONTRL. ACFT LEVELLED OFF, A/S BEGAN TO DECAY & ACFT DRIFTED TO THE RIGHT. CHK CAPT FAILED TO TAKE CNTRL OR TERMINATE ENG CUT SIMULATION AS EVOLUTION DETERIORATED. ACFT COLLIDED WITH ILS GS TWR MARKED BY RED OBST LIGHTS. LOSS OF CNTRL FOLLOWED WHEN RGT WINGTIP/AILERON SEPARATED. ACFT THEN IMPACTED GND AND SLID TO A STOP. TKOF FLAP POSITION SHOULD BE 1/4. BOTH FLAPS FOUND NEAR 1/2 FLAP EXTENDED POSITION. HANDLE FOUND IN 1/2 FLAP DETENT. PERFMNC CHARTS SHOW ACFT ABL TO REACH V2 AT 50 FT ALT IN 6500 FT ROLL, THEN +575 FPM CLIMB (VYSE) AT ACC WT.

## Sequence of events

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

- Loss of engine power, takeoff - initial climb
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - raising of flaps - not performed (cause)
  - checklist - inattentive, pilot in command (cause)
  - emergency procedure - simulated, check pilot (contributing factor)
  - proper climb rate - not possible
  - directional control - not possible
  - supervision - inadequate, check pilot (cause)
- Loss of control - in flight, takeoff - initial climb
  - object - tower(marked) (contributing factor)
  - wing,wingtip - separation
  - flight control,aileron - loss,partial
- In flight collision with terrain/water, descent - uncontrolled

## Aircraft

- Registration: [N2689E](https://openairdocs.org/deregistered/N2689E-1991-04-23), registration cancelled 1991-04-23, S/N AC653 (OpenAirDocs)
- Reported make and model: FAIRCHILD SA227-AC
- Registry model: [Fairchild SA227-AC](https://openairdocs.org/model/fairchild-sa227-ac) (registry code 3377509) (OpenAirDocs)
- Category: Airplane
- Serial number: AC-653
- Airframe hours: 774
- Engines: GARRETT TPE-331-11U 1000 horsepower turbo prop
- Damage: Destroyed
- Flight: Instructional, Part 91
- Operator: Horizon Air Industries, Inc., doing business as Horizon Air
- Registered owner: Maryland Nat'L Leasing Corp.
- Airworthiness certificate: Standard, Normal
- Departed: TWF, TWIN FALLS, ID
- Flight plan: Company VFR
- Airport: Joslin Field, runway 7, 8,703 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 42; flight instructor, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: right; toxicology performed; flight hours: 5,800 total, 2,000 in this make and model, 5,300 as pilot in command, 114 in the last 90 days, 44 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: calm
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 59 °F, dew point 39 °F
- Altimeter: 29.00 inHg
- Observed at: BYI, 31 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 19870924055999A](https://openairdocs.org/incident/19870924055999A), Sep 24, 1987: Swrngn SA227AC, Twin Falls, ID, Destroyed. Factors are incorrect flap setting for takeoff and check pilots failure to note turn after single engine was given.

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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