Interstate S-1B2 ARCTIC TERN N64AT
8 September 1993 · Talkeetna River, Alaska, United States · Serious injuries
Summary
On 8 September 1993 at about 00:00 local time, a Interstate S-1B2 ARCTIC TERN registered N64AT, operated by Franklin, Gary L., was involved in an accident near Talkeetna River, Alaska, United States. 2 people were on board and 2 were seriously injured. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 00:00
- Classification
- Accident
- Location
- Talkeetna River, Alaska, United States
- Coordinates
- 61.4100, -149.1694
- Aircraft
- Interstate S-1B2 ARCTIC TERN
- Registration
- N64AT
- Category
- Airplane
- Engines
- 1
- Operator
- Franklin, Gary L.
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Unknown → Anchorage
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- ANC93FA172
People
2 people were seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 2 | 0 | 0 |
Probable cause
THE PILOT IN COMMAND'S IMPROPER PREFLIGHT PLANNING. FACTORS IN THE ACCIDENT WERE: THE ROUGH/UNEVEN TAKEOFF LOCATION, THE EXCESS WEIGHT OF THE AIRPLANE, THE INADEQUATE DESIGN OF THE ADD-ON TANK BY THE MANUFACTURER AFFECTING THE WEIGHT AND BALANCE, AND THE INADEQUATE CERTIFICATION/APPROVAL OF THE TANK BY THE FAA.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
PILOT IN COMMAND ATTEMPTED TAKEOFF WITH OVERLOADED AIRPLANE FROM ROUGH RIVERBAR STRIP AND COLLIDED WITH TERRAIN. AIRPLANE EQUIPPED WITH MANUFACTURER'S AFTER-MARKET 32 GALLON BELLY TANK WHICH ALLOWED AIRCRAFT GROSS WEIGHT TO EXCEED MAXIMUM CERTIFICATED WEIGHT ANYTIME 10 GALLONS OF FUEL AS WELL AS MINIMUM CREW WERE ABOARD. THE AIRCRAFT WOULD ALWAYS BE OVER GROSS WEIGHT WHENEVER THE REAR SEAT WAS OCCUPIED. NO CAUTION BY MANUFACTURER OR FAA REGARDING LIMITATIONS ON USE OF PASSENGER SEAT WITH BELLY FUEL. AIRCRAFT WAS CERTIFIED AS 2 PLACE AIRPLANE BY FAA ALTHOUGH ADDITION OF ANY BELLY FUEL WOULD EXCEED MAXIMUM TAKEOFF WEIGHT WITH BOTH SEATS OCCUPIED.
Quoted verbatim from the NTSB record.
Other Interstate S-1B2 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 20 Sep 1987 | Interstate S-1B2 | Beluga River, Alaska, United States | Norbert J. Streb | No injuries | - |
| 27 Jul 1986 | Interstate S-1B2 | Wasilla, Alaska, United States | - | Fatal | 2 |
| 24 Jun 1984 | Interstate S-1B2 | Anchorage, Alaska, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Jul 1993 | Cessna A185F | Denali Nat'l Pk, Alaska, United States | James Okonek | Serious injuries | - |
| 4 Aug 1993 | Piper PA-32R-300 | Atigun Pass, Alaska, United States | Yutana Airlines | Fatal | 1 |
| 19 Aug 1993 | De Havilland DHC-3 | Nikabuna Lake, Alaska, United States | Ketchum Air Service Inc. | Minor injuries | - |
| 31 Aug 1993 | De Havilland DHC-2 | Iliamna, Alaska, United States | Rainbow King, Inc | Fatal | 3 |
| 2 Sep 1993 | Piper PA-18A-150 | Sanona Creek, Alaska, United States | Garfield, Wade E. | Fatal | 2 |
| 11 Sep 1993 | Cessna 180 | Cooper Landing, Alaska, United States | Sixty-Thirty North | Serious injuries | - |