# NTSB DEN77FTE68: Cessna 150, N3635J, Co Springs, CO, August 1, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 1, 1977
- Place: Co Springs, CO · CO SPRINGS, CO
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 25, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146543
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN77FTE68
- Page: https://openairdocs.org/ntsb/DEN77FTE68

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1592   77/8/1    CO SPRINGS,CO       CESSNA 150          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1020                    N3635J              PX-  0  0  0  DUAL                      AGE 52, 12800 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 2500 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - CO.SPRINGS MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          CO SPRINGS,CO               GARDEN CITY,KS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
           WEATHER - HIGH DENSITY ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - DISREGARD OF GOOD OPERATING PRACTICE
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING TAIL WIND 203-247 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           71                                                      150
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           7                                                       VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- UNABLE TO ATTAIN ENOUGH SPD TO CLIMB OUT OF GND EFFECT.65LB OVER MAX WT.
```

## Aircraft

- Registration: [N3635J](https://openairdocs.org/deregistered/N3635J-2013-04-16), registration cancelled 2013-04-16, S/N 15064935, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150G](https://openairdocs.org/model/cessna-150g) (registry code 2071816) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Co.Springs Muni

## 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 19770801020159A](https://openairdocs.org/incident/19770801020159A), Aug 1, 1977: Cessna 150G, Co Springs, CO, Substantial damage. Unable to attain enough spd to climb out of gnd effect.65LB over max wt.

## Other investigations on N3635J (2)

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 MKC84LA224](https://openairdocs.org/ntsb/MKC84LA224), Jul 21, 1984: Cessna 150 (N3635J), Kearney, NE, substantial damage
- [NTSB FTW67F0411](https://openairdocs.org/ntsb/FTW67F0411), Jan 15, 1967: Cessna 150 (N3635J), Jenks, 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.
