# NTSB MKC77FA017: Cessna T210L, N2231S, Atkins, IA, March 19, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 19, 1977
- Place: Atkins, IA · ATKINS, IA
- Location: 41.9942° N, 91.8587° W: Placed by OpenAirDocs: center of Atkins, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9942&lon=-91.8587&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report September 29, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157816
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77FA017
- Page: https://openairdocs.org/ntsb/MKC77FA017

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1897  77/3/19    ATKINS,IA           CESSNA T210L        CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1706                    N2231S              PX-  1  0  0  DUAL                      AGE 33, 2566 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            79 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          IOWA CITY,IA                WATERLOO,IA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           POWERPLANT - ENGINE ACCESSORIES: VACUUM PUMPS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - WEATHER SLIGHTLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               200
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       32
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- VACUUM PUMP VANES SEIZED IN FLT CAUSING SHAFT TO SHEAR.
```

## Aircraft

- Registration: [N2231S](https://openairdocs.org/deregistered/N2231S-1977-11-02), registration cancelled 1977-11-02, S/N 21061176 (OpenAirDocs)
- Reported make and model: CESSNA T210L
- Registry model: [Cessna T210L](https://openairdocs.org/model/cessna-t210l) (registry code 2073449) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19770319025949A](https://openairdocs.org/incident/19770319025949A), Mar 19, 1977: Cessna T210L, Atkins, IA, Destroyed, 2 fatal. Vacuum pump vanes seized in flt causing shaft to shear.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.