# NTSB CHI90LA234: Beech P-35 Bonanza, N8699M, Joliet, IL, August 15, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 15, 1990, 15:15 local (20:15 UTC)
- Place: Joliet, IL
- Coordinates: 41.550418, -88.130607 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.5504&lon=-88.1306&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 28, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 14754
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI90LA234
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/14754/pdf
- Page: https://openairdocs.org/ntsb/CHI90LA234

## Probable cause

THE DELAY IN INITIATING THE ABORTED TAKEOFF.

## Sequence of events

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

- Overrun, takeoff - aborted
  - aircraft preflight - inadequate, pilot in command (cause)
  - door - open (contributing factor)
  - aborted takeoff - delayed, pilot in command (cause)

## Analysis

DOOR OPENED DURING TAKEOFF ROLL. PILOT PULLED THROTTLE AND APPLIED BRAKES TO ABORT. PILOT REAPPLIED THROTTLE TO CONTINUE TAKEOFF AND THEN ASSESSED SPEED AS TO SLOW. SECOND ABORT ATTEMPT OVERRAN RUNWAY, CROSSED ROAD AND STRUCK MAILBOXES.

## Aircraft

- Registration: [N8699M](https://openairdocs.org/deregistered/N8699M-1991-02-14), registration cancelled 1991-02-14, S/N D7285 (OpenAirDocs)
- Reported make and model: BEECH P-35 BONANZA (P-35 BONAN)
- Registry model: [Beech P35](https://openairdocs.org/model/beech-p35) (registry code 1151530) (OpenAirDocs)
- Category: Airplane
- Serial number: D-7285
- Engines: CONTINENTAL IO-470-N 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Searcy Flying Club, Inc.
- Airport: JOT, Joliet Municipal, runway 30, 2,970 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 69; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; flight hours: 1,301 total, 444 in this make and model, 1,200 as pilot in command, 15 in the last 90 days, 5 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 240° at 10 knots
- Visibility: 7 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: 82 °F, dew point 68 °F
- Altimeter: 30.00 inHg
- Observed at: ARR, 20 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 19900815033089A](https://openairdocs.org/incident/19900815033089A), Aug 15, 1990: Beech P35BEECH, Joliet, IL, Substantial damage. Door came open on takeoff roll. Undecided aborted, added power, aborted ran of end of runway.

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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