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| Date: | Friday 24 August 2018 |
| Time: | 15:35 |
| Type: |  Aeronca 7AC Champ |
| Owner/operator: | Private |
| Registration: | N65HM |
| MSN: | 7AC-3708 |
| Year of manufacture: | 1946 |
| Total airframe hrs: | 1631 hours |
| Engine model: | Continental. C90-12F |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | West of Cranland Airport (28M), Hanson, MA -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Hanson, MA (28M) |
| Hanson, MA (28M) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot and passenger were departing on a local personal flight in the single-engine airplane. Review of airport security video showed the airplane level off about 100 ft above ground level as it passed the departure end of the runway. The airplane then entered a left turn and descended to ground contact. Damage to the propeller blades was consistent with a lack of engine power at the time of impact; however, examination of the wreckage revealed no evidence of preimpact mechanical anomalies that would have prevented normal engine operation. Based on the temperature and dew point about the time of the accident, the conditions were favorable for serious carburetor icing at a glide power setting.
Video showed that the airplane operated on the ground at an idle engine power setting for about 7 minutes before takeoff, and it is probable that carburetor ice formed during this time, subsequently resulting in the loss of engine power during the initial climb. Following the loss of power, the pilot attempted to turn back to the runway with insufficient altitude and, during the turn, failed to maintain airspeed, resulting in an exceedance of the airplane's critical angle of attack, an aerodynamic stall/spin, and impact with terrain.
Probable Cause: A loss of engine power due to carburetor icing, the pilot's decision to turn back to the runway shortly after takeoff, and his failure to maintain airspeed during the turn, which resulted in an exceedance of the airplane's critical angle of attack, and subsequent aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/resources/registration/N65HM
History of this aircraft
Other occurrences involving this aircraft
| 5 August 2007 | N65HM | 0 | Westerly, Rhode Island | |
sub |
Location
Media:
From our client @HansonMAPolice - **PLANE CRASH** small plane in the water off the south side of Cranland Airport. Incident occurred at 4 pm. Hanson police and fire on scene. Two passengers on board. Both removed from the plane and removed from water. Medical helicopter requested
— John Guilfoil PR (@GuilfoilPR) August 24, 2018
BREAKING: Sky25 over small plane crash on Hanson #Boston25 pic.twitter.com/GYuivZVEOT
— Mike Saccone (@mikesacconetv) 24 août 2018
UPDATE: Uncle of the two men in the plane that crashed near Cranland Airport in #Hanson said they are brothers & had just spread their father’s ashes from the air. Pilot is very experienced - active duty Air Force - he was on leave for his father’s funeral. @boston25 pic.twitter.com/Px14pYZzIL
— Elysia Rodriguez (@ElysiaBoston25) 24 août 2018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Aug-2018 21:24 | Iceman 29 | Added |
| 24-Aug-2018 21:28 | Iceman 29 | Updated [Location, Embed code, ] |
| 24-Aug-2018 21:33 | Iceman 29 | Updated [Aircraft type, Registration, Cn, Operator, Source, Embed code, ] |
| 24-Aug-2018 21:38 | Iceman 29 | Updated [Embed code, ] |
| 25-Aug-2018 10:10 | Anon. | Updated [Location, Embed code, ] |
| 25-Aug-2018 10:10 | Tyrone_Shoelaces | Updated [Location, Embed code, ] |
| 25-Aug-2018 10:48 | Iceman 29 | Updated [Embed code, ] |
| 25-Aug-2018 14:50 | Iceman 29 | Updated [Total fatalities, Phase, Nature, Source, Embed code, Damage, Narrative, ] |
| 25-Aug-2018 17:19 | Geno | Updated [Location, Phase, Destination airport, Source, ] |
| 27-Mar-2020 08:17 | Iceman 29 | Updated [Departure airport, Embed code, ] |
| 27-Mar-2020 08:25 | Iceman 29 | Updated [Source, Narrative, ] |
| 22-Apr-2020 16:59 | ASN Update Bot | Updated [Time, Departure airport, Destination airport, Source, Embed code, Damage, Narrative, Accident report, ] |
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