Adapted from The Telegram: [BP notes in square brackets.]
Here's a brief timeline of the events of March 12 when Cougar Helicopters flight 91 crashed into the ocean. [The tick tock on this incident was pretty well established by mid-afternoon on the day of the crash, based on official sources. Initial timings were converted from ZULU to Atlantic time in error but the sequence and other details were known publicly. Times below are Newfoundland Daylight Savings Time (Universal Time/ZULU less 3.5), presented in 24 hour format.]
0940 local- Mayday call from the Cougar Helicopters flight. [According to the COUGAR website this scheduled flight launched at 0900 with destination given as “SRF-HIB”. That translates as Seas Rose FPSO and Hibernia. According to a company spokesperson on Friday, the pilot had indication of “zero oil pressure” in the main rotor gearbox and immediately began a return to base.
MAYDAY is a call indicated an emergency with imminent or immediate threat to the aircraft. The fact that the pilot declared a MAYDAY reflects the seriousness of the issue and also may reflect the tight safety protocols of the company. Were the issue of less significance, the pilot would have likely declared PAN PAN PAN which denotes a major issue but not one carrying an imminent or immediate threat.]
0948 local - Helicopter ditches in the Atlantic 55 kilometres east of St. John's. [Position given in the CAPORS report filed the day of the crash shows it as approximately that distance from St. John’s.]
1000 local - Transportation Safety Board notified.
1012 local - Provincial Airlines ice patrol plane arrived and saw the helicopter inverted in the water. [This is a significant point to bear in mind for all subsequent discussion. The PAL aircraft - directed to the scene as part of the SAR effort – arrived within 25 mins of ditching and reported one or two life rafts deployed, two survival suits in the water and an inverted aircraft. Local weather has been reported as winds 20 knots with two to three metre seas.
Globe and Mail: “Of the two [people] in the water, one was observed face down. They saw no sign of flares or smoke or anyone waving from the life rafts,” he [PAL chairman Thomas Collingwood] said. “What we've learned from our crew is that they definitely had a hard landing.”
This suggests very strongly that contrary to initial rumour, the aircraft did not remain upright in the water for very long if at all. The NTSB investigation including an analysis of flight data recorders will give a much more accurate picture, however, the initial details reported by credible observers seems clear in its implications. This also bears on questions that have been raised about the personal location transponders which reportedly did not activate.]
1034 local - Canadian Forces C-130 Hercules airplane arrived at the scene. [ From 413 Transport and Rescue Squadron, 14 Wing Greenwood Nova Scotia.]
1110 local - Cougar 61 arrived on scene, and shortly after hoisted survivor Robert Decker out of the water. Cougar flight 91 was no longer in sight. [COUGAR provides search and rescue (SAR) services. According to official comment reported in local media, COUGAR was already tasked to provide back-up to 103 Squadron Gander while the squadron conducted training exercises near Sydney, Nova Scotia. Even if 103 had been in Gander on 12 Mar 09, its aircraft would have been 30 mins flying time to St. John’s plus the time from St. John’s to the crash location. COUGAR SAR was closest and arrived on scene 72 mins after ditching, if this timeline is correct.]
1128 local - The first Cormorant [CH-149] rescue helicopter arrived at the crash scene.
[Telegram] Source: Joint Rescue Co-ordination Centre
-srbp-