# NTSB FTW85LA272: Cessna T-210, N5473C, Knippa, TX, July 6, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 6, 1985, 14:30 local (19:30 UTC)
- Place: Knippa, TX
- Coordinates: 29.30092, -99.629325 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=29.3009&lon=-99.6293&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21787
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW85LA272
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21787/pdf
- Page: https://openairdocs.org/ntsb/FTW85LA272

## Sequence of events

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

- Overrun, landing - roll
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - lift-off - premature, pilot in command (cause)
  - lack of familiarity with aircraft, pilot in command (contributing factor)
  - aborted takeoff - delayed, pilot in command (cause)
  - aircraft performance,climb capability - inadequate
  - proper climb rate - not possible, pilot in command (cause)

## Analysis

THE NEW OWNER WAS ATTEMPTING TAKEOFF FROM A DIRT ROAD OBSTRUCTED BY A MOBILE IRRIGATION SYSTEM. HE PULLED THE ACFT OFF THE GROUND AFTER 1700 FEET OF TAKEOFF ROLL. UNABLE TO MAINTAIN FLYING SPEED, HE LANDED IN A SOFT FLD AND THE ACFT NOSED OVER WHEN THE NOSE WHEEL STRUT FAILED.

## Aircraft

- Registration: [N5473C](https://openairdocs.org/deregistered/N5473C-2026-10-06), registration cancelled 2026-10-06, S/N 21063763 (OpenAirDocs)
- Reported make and model: CESSNA T-210
- Registry model: [Cessna T210N](https://openairdocs.org/model/cessna-t210n) (registry code 2073456) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 21063763
- Airframe hours: 1220
- Engines: CONTINENTAL TSIO-520-R 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: Truman D. Bishop
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, April 25, 1985, 24 hours before
- Airport: Bishop Farm

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 394 total, 16 in this make and model, 357 as pilot in command, 16 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 150° at 4 knots
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 91 °F
- Altimeter: 30.00 inHg

## 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 19850706029839A](https://openairdocs.org/incident/19850706029839A), Jul 6, 1985: Cessna T210N, Knippa, TX, Substantial damage. Aborted takeoff when unable to maintain positive rate of climb. Nose fork separated in soft field on forced landing

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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