# NTSB MKC77DCD01: Cessna 195B, N2173C, Tripoli, IA, October 23, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 23, 1976
- Place: Tripoli, IA · TRIPOLI, IA
- Location: 42.8084° N, 92.2578° W: Placed by OpenAirDocs: center of Tripoli, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.8084&lon=-92.2578&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 16, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 155999
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77DCD01
- Page: https://openairdocs.org/ntsb/MKC77DCD01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2910  76/10/23   TRIPOLI,IA          CESSNA 195B         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1030                    N2173C              PX-  0  0  0  DUAL                      AGE 41, 12223 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 400 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WATERLOO,IA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- BOLT MISSING FROM THROTTLE ACTUATING ARM.
```

## Aircraft

- Registration: [N2173C](https://openairdocs.org/deregistered/N2173C-2025-03-01), registration cancelled 2025-03-01, S/N 16158, built 1955 (OpenAirDocs)
- Reported make and model: CESSNA 195B
- Registry model: [Cessna 195B](https://openairdocs.org/model/cessna-195b) (registry code 2073112) (OpenAirDocs)
- Registry engine: [Jacobs R755B series](https://openairdocs.org/engine/jacobs-r755b-series) (registry code 35007, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19761023032289A](https://openairdocs.org/incident/19761023032289A), Oct 23, 1976: Cessna 195B, Tripoli, IA, Substantial damage. Bolt missing from throttle actuating arm.

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.
