# NTSB DEN74AD026: Cessna 421A, N2217Q, Roosevelt, UT, November 21, 1973

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 21, 1973
- Place: Roosevelt, UT · ROOSEVELT, UT
- Location: 40.2877° N, 109.9880° W: Placed by OpenAirDocs: center of Roosevelt, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.2877&lon=-109.9880&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report March 7, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187791
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74AD026
- Page: https://openairdocs.org/ntsb/DEN74AD026

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3976  73/11/21   ROOSEVELT,UT        CESSNA 421A         CR-  1  0  0  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1050                    N2217Q              PX-  1  0  0  BUSINESS                  56, 18000 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            458 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ROOSEVELT
        DEPARTURE POINT             INTENDED DESTINATION
          PROVO,UTAH                  OMAHA,NEBR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: OTHER
           STALL: SPIN                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: GOVERNORS
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
         FIRE AFTER IMPACT
        REMARKS- L GOV LWR SPRING SEAT/THRUST BEARING OF PLT VALVE PLUNGER LOOSE.POSSIBILITY HYPOGLYCEMIC REACTION.
```

## Aircraft

- Registration: [N2217Q](https://openairdocs.org/deregistered/N2217Q-1974-03-13), registration cancelled 1974-03-13, S/N 421A0017 (OpenAirDocs)
- Reported make and model: CESSNA 421A
- Registry model: [Cessna 421A](https://openairdocs.org/model/cessna-421a) (registry code 2076012) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Roosevelt

## 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 19731121042339A](https://openairdocs.org/incident/19731121042339A), Nov 21, 1973: Cessna 421A, Roosevelt, UT, Destroyed, 1 fatal. L gov lwr spring seat/thrust bearing of plt valve plunger loose. Possibility hypoglycemic reaction.

## Other investigations on N2217Q (1)

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.

- [NTSB FTW72FPJ34](https://openairdocs.org/ntsb/FTW72FPJ34), Feb 20, 1972: Cessna 421A (N2217Q), Oklahoma Cty, OK, substantial damage

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.
